Chapter 28: Fluorine, chlorine, bromine and iodine
Browse official US Harmonized Tariff Schedule headings for this chapter.
2801Chlorine
2802Sulfur, sublimed or precipitated; colloidal sulfur
2803Carbon black
2804Hydrogen
2804.10.0000Hydrogen, rare gases and other nonmetals: > Hydrogen2804.21.0000Hydrogen, rare gases and other nonmetals: > Argon2804.29.0010Hydrogen, rare gases and other nonmetals: > Other > Helium2804.29.0020Hydrogen, rare gases and other nonmetals: > Other > Neon2804.29.0030Hydrogen, rare gases and other nonmetals: > Other > Isotopically pure rare gases having a purity of 99 percent or more by volume2804.29.0055Hydrogen, rare gases and other nonmetals: > Other > Other2804.30.0000Hydrogen, rare gases and other nonmetals: > Nitrogen2804.40.0000Hydrogen, rare gases and other nonmetals: > Oxygen2804.50.0010Hydrogen, rare gases and other nonmetals: > Boron; tellurium > Boron2804.50.0020Hydrogen, rare gases and other nonmetals: > Boron; tellurium > Tellurium2804.61.0000Hydrogen, rare gases and other nonmetals: > Containing by weight not less than 99.99 percent of silicon2804.69.1000Hydrogen, rare gases and other nonmetals: > Other: > Containing by weight less than 99.99 percent but not less than 99 percent of silicon2804.69.5000Hydrogen, rare gases and other nonmetals: > Other: > Other2804.70.0000Hydrogen, rare gases and other nonmetals: > Phosphorus2804.80.0000Hydrogen, rare gases and other nonmetals: > Arsenic2804.90.0000Hydrogen, rare gases and other nonmetals: > Selenium
2805Sodium
2805.11.0000Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury: > Sodium2805.12.0000Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury: > Calcium2805.19.1000Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury: > Other: > Strontium2805.19.2000Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury: > Other: > Barium2805.19.9010Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury: > Other: > Other > Lithium2805.19.9090Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury: > Other: > Other > Other2805.30.0005Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury: > Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed > Lanthanum2805.30.0010Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury: > Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed > Cerium2805.30.0015Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury: > Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed > Praseodymium2805.30.0020Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury: > Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed > Neodymium2805.30.0050Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury: > Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed > Other2805.30.0090Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury: > Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed > Other2805.40.0000Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury: > Mercury
2806Hydrogen chloride (Hydrochloric acid)
2807Sulfuric acid; oleum
2808Nitric acid
2809Diphosphorus pentaoxide
2809.10.0000Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined: > Diphosphorus pentaoxide2809.20.0010Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined: > Phosphoric acid and polyphosphoric acids > Containing less than 65 percent available diphosphorus pentaoxide (P<sub>2</sub>O<sub>5</sub>) equivalents2809.20.0020Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined: > Phosphoric acid and polyphosphoric acids > Other2809.20.0030Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined: > Phosphoric acid and polyphosphoric acids > Other2809.20.0040Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined: > Phosphoric acid and polyphosphoric acids > Polyphosphoric acids
2810Oxides of boron; boric acids
2811Hydrogen fluoride (Hydrofluoric acid)
2811.11.0000Other inorganic acids and other inorganic oxygen compounds of nonmetals: > Hydrogen fluoride (Hydrofluoric acid)2811.12.0000Other inorganic acids and other inorganic oxygen compounds of nonmetals: > Hydrogen cyanide (hydrocyanic acid)2811.19.1000Other inorganic acids and other inorganic oxygen compounds of nonmetals: > Other: > Arsenic acid2811.19.3000Other inorganic acids and other inorganic oxygen compounds of nonmetals: > Other: > Hydrobromic acid2811.19.6110Other inorganic acids and other inorganic oxygen compounds of nonmetals: > Other: > Other > Sulfamic acid2811.19.6190Other inorganic acids and other inorganic oxygen compounds of nonmetals: > Other: > Other > Other2811.21.0000Other inorganic acids and other inorganic oxygen compounds of nonmetals: > Carbon dioxide2811.22.1000Other inorganic acids and other inorganic oxygen compounds of nonmetals: > Silicon dioxide: > Synthetic silica gel2811.22.5000Other inorganic acids and other inorganic oxygen compounds of nonmetals: > Silicon dioxide: > Other2811.29.1000Other inorganic acids and other inorganic oxygen compounds of nonmetals: > Other: > Arsenic trioxide2811.29.2000Other inorganic acids and other inorganic oxygen compounds of nonmetals: > Other: > Selenium dioxide2811.29.3000Other inorganic acids and other inorganic oxygen compounds of nonmetals: > Other: > Sulfur dioxide2811.29.5000Other inorganic acids and other inorganic oxygen compounds of nonmetals: > Other: > Other
2812Carbonyl dichloride (phosgene)
2812.11.0000Halides and halide oxides of nonmetals: > Carbonyl dichloride (phosgene)2812.12.0000Halides and halide oxides of nonmetals: > Phosphorous oxychloride2812.13.0000Halides and halide oxides of nonmetals: > Phosphorous trichloride2812.14.0000Halides and halide oxides of nonmetals: > Phosphorous pentachloride2812.15.0000Halides and halide oxides of nonmetals: > Sulfur monochloride2812.16.0000Halides and halide oxides of nonmetals: > Sulfur dichloride2812.17.0000Halides and halide oxides of nonmetals: > Thionyl chloride2812.19.0010Halides and halide oxides of nonmetals: > Other > Arsenic trichloride2812.19.0090Halides and halide oxides of nonmetals: > Other > Other2812.90.0010Halides and halide oxides of nonmetals: > Other > Sulfur hexafluoride2812.90.0090Halides and halide oxides of nonmetals: > Other > Other
2813Carbon disulfide
2813.10.0000Sulfides of nonmetals; commercial phosphorus trisulfide: > Carbon disulfide2813.90.1000Sulfides of nonmetals; commercial phosphorus trisulfide: > Other: > Of arsenic2813.90.2000Sulfides of nonmetals; commercial phosphorus trisulfide: > Other: > Of phosphorus2813.90.5000Sulfides of nonmetals; commercial phosphorus trisulfide: > Other: > Other
2814Anhydrous ammonia
2815Solid
2815.11.0000Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium: > Solid2815.12.0000Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium: > In aqueous solution (Soda lye or liquid soda)2815.20.0050Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium: > Potassium hydroxide (Caustic potash) > In solid form2815.20.0090Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium: > Potassium hydroxide (Caustic potash) > Other2815.30.0000Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium: > Peroxides of sodium or potassium
2816Hydroxide and peroxide of magnesium
2816.10.0000Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium: > Hydroxide and peroxide of magnesium2816.40.1000Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium: > Oxides, hydroxides and peroxides, of strontium or barium: > Of strontium2816.40.2000Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium: > Oxides, hydroxides and peroxides, of strontium or barium: > Of barium
2817Zinc oxide; zinc peroxide
2818Artificial corundum, whether or not chemically defined
2818.10.1000Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide: > Artificial corundum, whether or not chemically defined: > Crude2818.10.2010Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide: > Artificial corundum, whether or not chemically defined: > In grains, or ground, pulverized or refined > White, pink or ruby, containing more than 97.5 percent by weight of aluminum oxide2818.10.2090Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide: > Artificial corundum, whether or not chemically defined: > In grains, or ground, pulverized or refined > Other2818.20.0000Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide: > Aluminum oxide, other than artificial corundum2818.30.0000Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide: > Aluminum hydroxide
2819Chromium trioxide
2820Manganese dioxide
2821Iron oxides and hydroxides
2821.10.0010Iron oxides and hydroxides; earth colors containing 70 percent or more by weight of combined iron evaluated as Fe<sub>2</sub>O<sub>3</sub>: > Iron oxides and hydroxides > Black2821.10.0020Iron oxides and hydroxides; earth colors containing 70 percent or more by weight of combined iron evaluated as Fe<sub>2</sub>O<sub>3</sub>: > Iron oxides and hydroxides > Red2821.10.0030Iron oxides and hydroxides; earth colors containing 70 percent or more by weight of combined iron evaluated as Fe<sub>2</sub>O<sub>3</sub>: > Iron oxides and hydroxides > Yellow2821.10.0040Iron oxides and hydroxides; earth colors containing 70 percent or more by weight of combined iron evaluated as Fe<sub>2</sub>O<sub>3</sub>: > Iron oxides and hydroxides > Other2821.10.0050Iron oxides and hydroxides; earth colors containing 70 percent or more by weight of combined iron evaluated as Fe<sub>2</sub>O<sub>3</sub>: > Iron oxides and hydroxides > Other2821.20.0000Iron oxides and hydroxides; earth colors containing 70 percent or more by weight of combined iron evaluated as Fe<sub>2</sub>O<sub>3</sub>: > Earth colors
2822Cobalt(II, III) oxide (cobalt tetroxide)
2823Titanium oxides
2824Lead monoxide (litharge, massicot)
2824.10.0000Lead oxides; red lead and orange lead: > Lead monoxide (litharge, massicot)2824.90.1000Lead oxides; red lead and orange lead: > Other: > Lead suboxide (leady litharge)2824.90.2000Lead oxides; red lead and orange lead: > Other: > Red lead and orange lead2824.90.5000Lead oxides; red lead and orange lead: > Other: > Other
2825Hydrazine and hydroxylamine and their inorganic salts
2825.10.0000Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: > Hydrazine and hydroxylamine and their inorganic salts2825.20.0000Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: > Lithium oxide and hydroxide2825.30.0010Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: > Vanadium oxides and hydroxides > Vanadium pentoxide (anhydride)2825.30.0050Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: > Vanadium oxides and hydroxides > Other2825.40.0000Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: > Nickel oxides and hydroxides2825.50.1000Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: > Copper oxides and hydroxides: > Cupric oxide2825.50.2000Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: > Copper oxides and hydroxides: > Cuprous oxide2825.50.3000Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: > Copper oxides and hydroxides: > Copper hydroxides2825.60.0010Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: > Germanium oxides and zirconium dioxide > Germanium dioxide2825.60.0020Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: > Germanium oxides and zirconium dioxide > Zirconium dioxide 2825.60.0050Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: > Germanium oxides and zirconium dioxide > Other2825.70.0000Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: > Molybdenum oxides and hydroxides2825.80.0000Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: > Antimony oxides2825.90.1000Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: > Other: > Beryllium oxide and hydroxide2825.90.1500Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: > Other: > Niobium oxide2825.90.2000Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: > Other: > Tin oxides2825.90.3000Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: > Other: > Tungsten oxides2825.90.7500Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: > Other: > Cadmium oxide2825.90.9000Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: > Other: > Other
2826Of aluminum
2826.12.0000Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts: > Of aluminum2826.19.1000Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts: > Other: > Of ammonium2826.19.2000Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts: > Other: > Of sodium2826.19.9000Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts: > Other: > Other2826.30.0000Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts: > Sodium hexafluoroaluminate (Synthetic cryolite)2826.90.1000Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts: > Other: > Fluorosilicates of sodium or of potassium2826.90.9010Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts: > Other: > Other > Lithium hexafluorophosphate2826.90.9090Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts: > Other: > Other > Other
2827Ammonium chloride
2827.10.0000Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Ammonium chloride2827.20.0000Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Calcium chloride2827.31.0000Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Of magnesium2827.32.0000Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Of aluminum2827.35.0000Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Of nickel2827.39.1000Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Other: > Of vanadium2827.39.2500Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Other: > Of tin2827.39.3000Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Other: > Of titanium2827.39.4000Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Other: > Of tungsten2827.39.4500Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Other: > Of barium2827.39.5500Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Other: > Of iron2827.39.6000Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Other: > Of cobalt2827.39.6500Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Other: > Of zinc2827.39.9010Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Other: > Other > Of lithium2827.39.9050Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Other: > Other > Other2827.41.0000Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Of copper2827.49.1000Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Other: > Of vanadium2827.49.5000Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Other: > Other2827.51.0000Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Bromides of sodium or of potassium2827.59.2500Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Other: > Of ammonium, of calcium or of zinc2827.59.5100Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Other: > Other2827.60.1000Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Iodides and iodide oxides: > Of calcium or of copper2827.60.2000Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Iodides and iodide oxides: > Of potassium2827.60.5100Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: > Iodides and iodide oxides: > Other
2828Commercial calcium hypochlorite and other calcium hypochlorites
2829Of sodium
2829.11.0000Chlorates and perchlorates; bromates and perbromates; iodates and periodates: > Of sodium2829.19.0100Chlorates and perchlorates; bromates and perbromates; iodates and periodates: > Other2829.90.0500Chlorates and perchlorates; bromates and perbromates; iodates and periodates: > Other: > Potassium bromate2829.90.2500Chlorates and perchlorates; bromates and perbromates; iodates and periodates: > Other: > Sodium bromate2829.90.4000Chlorates and perchlorates; bromates and perbromates; iodates and periodates: > Other: > Of potassium2829.90.6100Chlorates and perchlorates; bromates and perbromates; iodates and periodates: > Other: > Other
2830Sodium sulfides
2830.10.0000Sulfides; polysulfides, whether or not chemically defined: > Sodium sulfides2830.90.1000Sulfides; polysulfides, whether or not chemically defined: > Other: > Zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weight2830.90.1500Sulfides; polysulfides, whether or not chemically defined: > Other: > Other zinc sulfide2830.90.2000Sulfides; polysulfides, whether or not chemically defined: > Other: > Cadmium sulfide2830.90.9000Sulfides; polysulfides, whether or not chemically defined: > Other: > Other
2831Of sodium
2832Sodium sulfites
2833Disodium sulfate
2833.11.1000Sulfates; alums; peroxosulfates (persulfates): > Disodium sulfate: > Salt cake2833.11.5010Sulfates; alums; peroxosulfates (persulfates): > Disodium sulfate: > Other > Anhydrous2833.11.5050Sulfates; alums; peroxosulfates (persulfates): > Disodium sulfate: > Other > Other2833.19.0000Sulfates; alums; peroxosulfates (persulfates): > Other2833.21.0000Sulfates; alums; peroxosulfates (persulfates): > Of magnesium2833.22.0000Sulfates; alums; peroxosulfates (persulfates): > Of aluminum2833.24.0000Sulfates; alums; peroxosulfates (persulfates): > Of nickel2833.25.0000Sulfates; alums; peroxosulfates (persulfates): > Of copper2833.27.0000Sulfates; alums; peroxosulfates (persulfates): > Of barium2833.29.1000Sulfates; alums; peroxosulfates (persulfates): > Other: > Of cobalt2833.29.2000Sulfates; alums; peroxosulfates (persulfates): > Other: > Of iron2833.29.3000Sulfates; alums; peroxosulfates (persulfates): > Other: > Of vanadium2833.29.4000Sulfates; alums; peroxosulfates (persulfates): > Other: > Of chromium2833.29.4500Sulfates; alums; peroxosulfates (persulfates): > Other: > Of zinc2833.29.5110Sulfates; alums; peroxosulfates (persulfates): > Other: > Other > Of manganese2833.29.5190Sulfates; alums; peroxosulfates (persulfates): > Other: > Other > Other2833.30.0000Sulfates; alums; peroxosulfates (persulfates): > Alums2833.40.2000Sulfates; alums; peroxosulfates (persulfates): > Peroxosulfates (persulfates): > Of sodium2833.40.6010Sulfates; alums; peroxosulfates (persulfates): > Peroxosulfates (persulfates): > Other > Of potassium2833.40.6020Sulfates; alums; peroxosulfates (persulfates): > Peroxosulfates (persulfates): > Other > Of ammonium2833.40.6050Sulfates; alums; peroxosulfates (persulfates): > Peroxosulfates (persulfates): > Other > Other
2834Nitrites
2834.10.1000Nitrites; nitrates: > Nitrites: > Of sodium2834.10.5000Nitrites; nitrates: > Nitrites: > Other2834.21.0000Nitrites; nitrates: > Of potassium2834.29.0500Nitrites; nitrates: > Other: > Of bismuth2834.29.1000Nitrites; nitrates: > Other: > Of calcium2834.29.2000Nitrites; nitrates: > Other: > Of strontium2834.29.5100Nitrites; nitrates: > Other: > Other
2835Phosphinates (hypophosphites) and phosphonates (phosphites)
2835.10.0000Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined: > Phosphinates (hypophosphites) and phosphonates (phosphites)2835.22.0000Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined: > Of mono- or disodium2835.24.0000Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined: > Of potassium2835.25.0000Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined: > Calcium hydrogenorthophosphate ("Dicalcium phosphate")2835.26.0000Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined: > Other phosphates of calcium2835.29.1000Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined: > Other: > Of aluminum2835.29.2000Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined: > Other: > Of triammonium2835.29.3000Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined: > Other: > Of trisodium2835.29.5100Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined: > Other: > Other2835.31.0000Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined: > Sodium triphosphate (Sodium tripolyphosphate)2835.39.1000Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined: > Other: > Of potassium2835.39.5000Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined: > Other: > Other
2836Disodium carbonate
2836.20.0000Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate: > Disodium carbonate2836.30.0000Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate: > Sodium hydrogencarbonate (Sodium bicarbonate)2836.40.1000Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate: > Potassium carbonates: > Dipotassium carbonate2836.40.2000Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate: > Potassium carbonates: > Potassium hydrogencarbonate (Potassium bicarbonate)2836.50.0000Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate: > Calcium carbonate2836.60.0000Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate: > Barium carbonate2836.91.0010Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate: > Lithium carbonates > U.S.P. grade2836.91.0050Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate: > Lithium carbonates > Other2836.92.0000Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate: > Strontium carbonate2836.99.1000Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate: > Other: > Cobalt carbonates2836.99.2000Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate: > Other: > Bismuth carbonate2836.99.3000Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate: > Other: > Commercial ammonium carbonate and other ammonium carbonates2836.99.4000Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate: > Other: > Lead carbonates2836.99.5010Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate: > Other: > Other > Zirconium carbonates2836.99.5050Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate: > Other: > Other > Other
2837Of sodium
2837.11.0000Cyanides, cyanide oxides and complex cyanides: > Of sodium2837.19.0110Cyanides, cyanide oxides and complex cyanides: > Other > Potassium cyanide2837.19.0115Cyanides, cyanide oxides and complex cyanides: > Other > Calcium cyanide2837.19.0125Cyanides, cyanide oxides and complex cyanides: > Other > Other2837.20.1000Cyanides, cyanide oxides and complex cyanides: > Complex cyanides: > Potassium ferricyanide2837.20.5100Cyanides, cyanide oxides and complex cyanides: > Complex cyanides: > Other
2839Sodium metasilicates
2839.11.0000Silicates; commercial alkali metal silicates: > Sodium metasilicates2839.19.0000Silicates; commercial alkali metal silicates: > Other2839.90.1000Silicates; commercial alkali metal silicates: > Other: > Of potassium2839.90.5000Silicates; commercial alkali metal silicates: > Other: > Other
2840Anhydrous
2840.11.0000Borates; peroxoborates (perborates): > Anhydrous2840.19.0000Borates; peroxoborates (perborates): > Other2840.20.0000Borates; peroxoborates (perborates): > Other borates2840.30.0010Borates; peroxoborates (perborates): > Peroxoborates (perborates) > Sodium perborate2840.30.0050Borates; peroxoborates (perborates): > Peroxoborates (perborates) > Other
2841Sodium dichromate
2841.30.0000Salts of oxometallic or peroxometallic acids: > Sodium dichromate2841.50.1000Salts of oxometallic or peroxometallic acids: > Other chromates and dichromates; peroxochromates: > Potassium dichromate2841.50.9100Salts of oxometallic or peroxometallic acids: > Other chromates and dichromates; peroxochromates: > Other2841.61.0000Salts of oxometallic or peroxometallic acids: > Potassium permanganate2841.69.0010Salts of oxometallic or peroxometallic acids: > Other > Sodium permanganate2841.69.0090Salts of oxometallic or peroxometallic acids: > Other > Other2841.70.1000Salts of oxometallic or peroxometallic acids: > Molybdates: > Of ammonium2841.70.5000Salts of oxometallic or peroxometallic acids: > Molybdates: > Other2841.80.0010Salts of oxometallic or peroxometallic acids: > Tungstates (wolframates) > Of ammonium2841.80.0020Salts of oxometallic or peroxometallic acids: > Tungstates (wolframates) > Of calcium2841.80.0050Salts of oxometallic or peroxometallic acids: > Tungstates (wolframates) > Other2841.90.1000Salts of oxometallic or peroxometallic acids: > Other: > Vanadates2841.90.2000Salts of oxometallic or peroxometallic acids: > Other: > Ammonium perrhenate2841.90.3000Salts of oxometallic or peroxometallic acids: > Other: > Potassium stannate2841.90.4000Salts of oxometallic or peroxometallic acids: > Other: > Aluminates2841.90.4500Salts of oxometallic or peroxometallic acids: > Other: > Chromates of zinc or of lead2841.90.5000Salts of oxometallic or peroxometallic acids: > Other: > Other
2842Double or complex silicates, including aluminosilicates whether or not chemically defined
2842.10.0000Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides: > Double or complex silicates, including aluminosilicates whether or not chemically defined2842.90.1000Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides: > Other: > Fulminates, cyanates and thiocyanates2842.90.9010Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides: > Other: > Other > Selenides and tellurides2842.90.9050Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides: > Other: > Other > Other
2843Colloidal precious metals
2843.10.0000Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals: > Colloidal precious metals2843.21.0000Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals: > Silver nitrate2843.29.0100Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals: > Other2843.30.0000Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals: > Gold compounds2843.90.0000Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals: > Other compounds; amalgams
2844Natural uranium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing natural uranium or natural uranium compounds
2844.10.1000Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Natural uranium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing natural uranium or natural uranium compounds: > Uranium metal2844.10.2010Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Natural uranium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing natural uranium or natural uranium compounds: > Uranium compounds > Oxide2844.10.2025Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Natural uranium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing natural uranium or natural uranium compounds: > Uranium compounds > Hexafluoride2844.10.2055Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Natural uranium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing natural uranium or natural uranium compounds: > Uranium compounds > Other2844.10.5000Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Natural uranium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing natural uranium or natural uranium compounds: > Other2844.20.0010Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Uranium enriched in U235 and its compounds; plutonium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium enriched in U235, plutonium or compounds of these products > Oxide2844.20.0020Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Uranium enriched in U235 and its compounds; plutonium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium enriched in U235, plutonium or compounds of these products > Fluorides2844.20.0030Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Uranium enriched in U235 and its compounds; plutonium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium enriched in U235, plutonium or compounds of these products > Other2844.20.0050Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Uranium enriched in U235 and its compounds; plutonium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium enriched in U235, plutonium or compounds of these products > Other2844.30.1000Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Uranium depleted in U235 and its compounds; thorium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium depleted in U235, thorium, or compounds of these products: > Thorium compounds2844.30.2010Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Uranium depleted in U235 and its compounds; thorium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium depleted in U235, thorium, or compounds of these products: > Uranium compounds > Oxide2844.30.2020Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Uranium depleted in U235 and its compounds; thorium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium depleted in U235, thorium, or compounds of these products: > Uranium compounds > Fluorides2844.30.2050Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Uranium depleted in U235 and its compounds; thorium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium depleted in U235, thorium, or compounds of these products: > Uranium compounds > Other2844.30.5010Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Uranium depleted in U235 and its compounds; thorium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium depleted in U235, thorium, or compounds of these products: > Other > Uranium metal2844.30.5050Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Uranium depleted in U235 and its compounds; thorium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium depleted in U235, thorium, or compounds of these products: > Other > Other2844.41.0000Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Tritium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing tritium or its compounds2844.42.0000Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Actinium-225, actinium-227, californium-253, curium-240, curium-241, curium-242, curium-243, curium-244, einsteinium-253, einsteinium-254, gadolinium-148, polonium-208, polonium-209, polonium-210, radium-223, uranium-230 or uranium-232, and their compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements or compounds2844.43.0010Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds > Elements, isotopes and compounds with cobalt-60 radioactivity only2844.43.0021Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds > Americium-241, californium-252, cesium-137, gadolinium-153, idium-192, promethium-147, radium-226, selenium-75, or ytterbium-1692844.43.0028Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds > Other2844.43.0050Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds > Other2844.44.0000Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Radioactive residues2844.50.0000Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: > Spent (irradiated) fuel elements (cartridges) of nuclear reactors
2845Heavy water (Deuterium oxide)
2845.10.0000Isotopes other than those of heading 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined: > Heavy water (Deuterium oxide)2845.20.0000Isotopes other than those of heading 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined: > Boron enriched in boron-10 and its compounds2845.30.0000Isotopes other than those of heading 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined: > Lithium enriched in lithium-6 and its compounds2845.40.0000Isotopes other than those of heading 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined: > Helium-32845.90.0100Isotopes other than those of heading 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined: > Other
2846Cerium compounds
2846.10.0010Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures of these metals: > Cerium compounds > Cerium oxides2846.10.0050Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures of these metals: > Cerium compounds > Other2846.90.2005Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures of these metals: > Other: > Mixtures of rare-earth oxides or of rare-earth chlorides > Containing lanthanum as the predominant metal2846.90.2015Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures of these metals: > Other: > Mixtures of rare-earth oxides or of rare-earth chlorides > Containing yttrium or scandium as the predominant metal2846.90.2040Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures of these metals: > Other: > Mixtures of rare-earth oxides or of rare-earth chlorides > Other2846.90.2082Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures of these metals: > Other: > Mixtures of rare-earth oxides or of rare-earth chlorides > Containing yttrium or scandium as the predominant metal2846.90.2084Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures of these metals: > Other: > Mixtures of rare-earth oxides or of rare-earth chlorides > Other2846.90.4000Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures of these metals: > Other: > Yttrium bearing materials and compounds containing by weight more than 19 percent but less than 85 percent yttrium oxide equivalent2846.90.8070Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures of these metals: > Other: > Other > Containing lanthanum as the predominant metal2846.90.8075Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures of these metals: > Other: > Other > Other2846.90.8090Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures of these metals: > Other: > Other > Other
2847Hydrogen peroxide, whether or not solidified with urea
2849Of calcium
2849.10.0000Carbides, whether or not chemically defined: > Of calcium2849.20.1000Carbides, whether or not chemically defined: > Of silicon: > Crude2849.20.2000Carbides, whether or not chemically defined: > Of silicon: > In grains, or ground, pulverized or refined2849.90.1000Carbides, whether or not chemically defined: > Other: > Of boron2849.90.2000Carbides, whether or not chemically defined: > Other: > Of chromium2849.90.3000Carbides, whether or not chemically defined: > Other: > Of tungsten2849.90.5000Carbides, whether or not chemically defined: > Other: > Other
2850Of calcium
2850.00.0500Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849: > Of calcium2850.00.0700Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849: > Of titanium2850.00.1000Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849: > Of tungsten2850.00.2000Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849: > Of vanadium2850.00.5000Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849: > Other
2852Chemically defined
2852.10.1000Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams: > Chemically defined: > Mercuric oxide, mercuric cyanide, mercuric oxycyanide and mercuric potassium cyanide2852.10.9000Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams: > Chemically defined: > Other2852.90.0500Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams: > Other: > Albuminates, tannates and phosphides of mercury2852.90.9000Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams: > Other: > Other
2853Cyanogen chloride (chloorcyan)
2853.10.0000Phosphides, whether or not chemically defined, excluding ferrophosphorous; other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals: > Cyanogen chloride (chloorcyan)2853.90.1000Phosphides, whether or not chemically defined, excluding ferrophosphorous; other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals: > Other: > Of copper (phosphor copper), containing more than 15 percent by weight of phosphorous2853.90.5000Phosphides, whether or not chemically defined, excluding ferrophosphorous; other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals: > Other: > Of other metals or nonmetals2853.90.9010Phosphides, whether or not chemically defined, excluding ferrophosphorous; other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals: > Other: > Other > Gallium arsenide wafers, undoped2853.90.9090Phosphides, whether or not chemically defined, excluding ferrophosphorous; other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals: > Other: > Other > Other