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2921.43.90.20/2-Chloro-p-toluidine-5-sulfonic acid Sodium Salt/Mexico

2-Chloro-p-toluidine-5-sulfonic acid Sodium Salt from Mexico

The sodium salt form of 2-chloro-p-toluidine-5-sulfonic acid (CAS 88-51-7 base), a water-soluble aromatic amine derivative used in dye manufacturing. Classified specifically under HTS 2921.43.90.20 as the parent compound's salt per chapter notes on inorganic salts.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Include salt formation details in SDS and invoice; test for purity to confirm >98% as impurities may trigger different headings

• Avoid retail packaging to prevent Chapter 32 misclassification