US HTS code
2908990600
4-Hydroxy-1-naphthalenesulfonic acid (1-Naphthol-4-sulfonic acid)
Rates updated· Source: USITC Harmonized Tariff Schedule export
Column 2 rate (Cuba, North Korea): 15.4¢/kg + 45.5%
Estimate duty
This code's duty rate (Free) isn't a simple percentage, so it can't be estimated here — check the official source for the exact calculation.
Section 232/301 & notes
No Section 232/301 overlay or footnote noted for this code in the HTS export.
Matching UK commodity code
Sharing the 6-digit HS root 290899.
Related codes
Other codes at this level
29089903002,5-Dihydroxybenzenesulfonic acid, potassium salt; 3,6-Dihydroxy-2,7-naphthalenedisulfonic acid; 3,6-Dihydroxy-2,7-naphthalenedisulfonic acid, sodium salt; 4-Hydroxy-1-naphthalenesulfonic acid, sodium salt; 1-Naphthol-3,6-disulfonic acid; and 2-Naphthol-3,6-disulfonic acid and its salts29089909001,8-Dihydroxynaphthalene-3,6-disulfonic acid and its disodium salt