HS Code 2927.00.1800

1-Naphthalenesulfonic Acid, 6-diazo-5,6-dihydro-5-oxo, Ester with Phenyl(2,3,4-trihydroxyphenyl)methanone; 1-Naphthalenesulfonic Acid, 3-diazo-3,4-dihydro-4- Oxo-ar'-(1-methylethyl) [1,1'-biphenyl]-4-yl Ester; 1-Napthanlenesulfonic Acid, 6-diazo-5,6-dihydro-5- Oxo-,(octahydro-4,7-methano-1H-indene-2,5-diyl) Bis- (methylene) Ester; and 1-Naphthalenesulfonic Acid, 6-diazo-5,6-dihydro-5- Oxo-, 4-benzoyl-1,2,3-benzenetriyl Ester — US Import Duty

Official Description

Diazo-, azo- or azoxy-compounds: > 1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5-oxo, ester with phenyl(2,3,4-trihydroxyphenyl)methanone; 1-Naphthalenesulfonic acid, 3-diazo-3,4-dihydro-4- oxo-ar'-(1-methylethyl) [1,1'-biphenyl]-4-yl ester; 1-Napthanlenesulfonic acid, 6-diazo-5,6-dihydro-5- oxo-,(octahydro-4,7-methano-1H-indene-2,5-diyl) bis- (methylene) ester; and 1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5- oxo-, 4-benzoyl-1,2,3-benzenetriyl ester

Hierarchy: Diazo-, azo- or azoxy-compounds > 1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5-oxo, ester with phenyl(2,3,4-trihydroxyphenyl)methanone; 1-Naphthalenesulfonic acid, 3-diazo-3,4-dihydro-4- oxo-ar'-(1-methylethyl) [1,1'-biphenyl]-4-yl ester; 1-Napthanlenesulfonic acid, 6-diazo-5,6-dihydro-5- oxo-,(octahydro-4,7-methano-1H-indene-2,5-diyl) bis- (methylene) ester; and 1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5- oxo-, 4-benzoyl-1,2,3-benzenetriyl ester

US Duty Rates (2026 HTS)

General Rate (MFN)Free

Unit of MeasureKG

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: 2927 — Diazo-, azo- or azoxy-compounds

Related Codes in this Heading

2927.00.0300

4-Aminoazobenzenedisulfonic acid, monosodium salt

2927.00.0600

p-Aminoazobenzenedisulfonic acid; and Diazoaminobenzene (1,3-Diphenyltriazene)

2927.00.1500

1,1'-Azobisformamide

2927.00.2500

Photographic chemicals

2927.00.3000

Fast color bases and fast color salts

Common Questions

What is the US import duty for HS Code 2927.00.1800?

The general (MFN) duty rate for HS Code 2927.00.1800 (1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5-oxo, ester with phenyl(2,3,4-trihydroxyphenyl)methanone; 1-Naphthalenesulfonic acid, 3-diazo-3,4-dihydro-4- oxo-ar'-(1-methylethyl) [1,1'-biphenyl]-4-yl ester; 1-Napthanlenesulfonic acid, 6-diazo-5,6-dihydro-5- oxo-,(octahydro-4,7-methano-1H-indene-2,5-diyl) bis- (methylene) ester; and 1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5- oxo-, 4-benzoyl-1,2,3-benzenetriyl ester) is Free. Use the calculator for an exact landed-cost estimate.

Are there additional tariffs on HS Code 2927.00.1800?

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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