Products Described in Additional U.S. Note 3 to Section VI — US Import Duty
Official Description
Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: > Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives: > Other: > Maleic acid; succinnic acid derived in whole or in part from maleic anhydride or from cyclohexane; glutaric acid derived in whole or in part from cyclopentanone; andanhydrides, halides, peroxides, peroxyacids and other derivatives of adipic acid, of fumaric acid derived in whole or in part from aromatic hydrocarbons, of maleic acid, of succinnic acid derived in whole or in part from maleic anhydride or from cyclohexane or of glutaric acid derived in whole or in part from cyclopentanone, not elsewhere specified or included: > Products described in additional U.S. note 3 to section VI
Hierarchy: Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives > Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives > Other > Maleic acid; succinnic acid derived in whole or in part from maleic anhydride or from cyclohexane; glutaric acid derived in whole or in part from cyclopentanone; andanhydrides, halides, peroxides, peroxyacids and other derivatives of adipic acid, of fumaric acid derived in whole or in part from aromatic hydrocarbons, of maleic acid, of succinnic acid derived in whole or in part from maleic anhydride or from cyclohexane or of glutaric acid derived in whole or in part from cyclopentanone, not elsewhere specified or included > Products described in additional U.S. note 3 to section VI
US Duty Rates (2026 HTS)
Special Trade Program Rates
- FreeA+, AU, BH, CL, CO, D, E, IL, JO, K, KR, L, MA, OM, P, PA, PE, S, SG — see HTS General Notes for eligible countries
Possible Additional Duties
- Section 301 Brazil TariffThe duty provided in the applicable subheading + 25% (origin: BR)
- Section 301 "Forced Labor" AlgeriaThe duty provided in the applicable subheading + 12.5% (origin: DZ)
- Section 301 "Forced Labor" AngolaThe duty provided in the applicable subheading + 12.5% (origin: AO)
- Section 301 "Forced Labor" ArgentinaThe duty provided in the applicable subheading + 10% (origin: AR)
- Section 301 "Forced Labor" AustraliaThe duty provided in the applicable subheading + 12.5% (origin: AU)
- Section 301 "Forced Labor" BahamasThe duty provided in the applicable subheading + 12.5% (origin: BS)
Applicability depends on country of origin and date of entry. Run the calculator for the full duty stack.
Classification
- Chapter
- Chapter 29 — Organic Chemicals
- Heading
- 2917 — Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives
Related Codes in this Heading
Common Questions
The general (MFN) duty rate for HS Code 2917.19.2000 (Products described in additional U.S. note 3 to section VI) is 6.5%. Preferential rates apply under 1 special trade program for eligible countries of origin. Use the calculator for an exact landed-cost estimate.
Yes — Chapter 99 measures may apply, including Section 301 Brazil Tariff, Section 301 "Forced Labor" Algeria, Section 301 "Forced Labor" Angola, among others. Applicability depends on the country of origin and entry date.
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