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2921.45.90/Sodium Salt of 1-Naphthylamine-4-sulfonic Acid/Canada

Sodium Salt of 1-Naphthylamine-4-sulfonic Acid from Canada

The sodium salt form improves water solubility for dye coupling processes. HTS 2921.45.90 includes salts of 1-Naphthylamine derivatives per Chapter 29 note 3(C)(1). Inorganic salt modification doesn't change organic compound heading.

Duty Rate — Canada → United States

16.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Declare as "sodium 4-amino-1-naphthalenesulfonate" CAS 119-78-8

• Salt forms have different solubility/hazard profiles; match SDS accordingly

Sodium Salt of 1-Naphthylamine-4-sulfonic Acid from Canada — Import Duty Rate | HTS 2921.45.90