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2929.90.50/6-Amino-1-naphthalenesulfonic Acid/Canada

6-Amino-1-naphthalenesulfonic Acid from Canada

Naphthalenic amine with sulfonic acid group used in dye intermediates. Falls under 2929.90.50 as primary nitrogen-function compound despite sulfonation, per Chapter 29 notes on compound derivatives. Not classified as sulfonated hydrocarbon.

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

• Sulfonic acid content doesn't change nitrogen classification; pH stability cert required; Distinguish from purified dye forms in Chapter 32

6-Amino-1-naphthalenesulfonic Acid from Canada — Import Duty Rate | HTS 2929.90.50