2921.59.17.00/1,4-Diaminobenzene-2-Sulfonic Acid/Canada

1,4-Diaminobenzene-2-Sulfonic Acid from Canada

Also known as 4-amino-2-aminobenzenesulfonic acid, this aromatic diamine with a sulfonic acid substituent is specifically named in HTS 2921.59.1700. It serves as a key building block for azo dyes and pharmaceutical intermediates.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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Import Tips

• Include detailed spectral analysis (NMR, IR) in documentation to distinguish from similar aniline derivatives

• Check for REACH-like compliance; provide safety data sheets highlighting amine and sulfonic acid hazards

1,4-Diaminobenzene-2-Sulfonic Acid from Canada — Import Duty Rate | HTS 2921.59.17.00