6-digit WCO subheading · globally harmonized

292221- - Aminohydroxynaphthalenesulphonic acids and their salts

Global tariff comparison

Primary import duty for HS-6 292221 across 12 major trading jurisdictions

United States tariff lines

4 national codes

HS CodeDescriptionPrimary rate
2922.21.10.001-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid; 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid (Chicago acid); 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid, potassium salt; 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid, sodium salt; 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid, monosodium salt (H acid, monosodium salt); 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid, potassium salt (H acid, monopotassium salt); 4-Amino-3-hydroxy-1-naphthalenesulfonic acid; 6-Amino-1-naphthol-3-sulfonic acid and its salts; and 8-Amino-1-naphthol-5-sulfonic acid and its salts5.8%
2922.21.25.001-Amino-8-hydroxy-4,6-naphthalenedisulfonic acid, monosodium saltFree
2922.21.40.00Products described in additional U.S. note 3 to section VI6.5%
2922.21.50.00Other6.5%
United States HS 292221 · - - Aminohydroxynaphthalenesulphonic acids and their salts · Treayo