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Metanilic Acid Sodium Salt from Mexico

The sodium salt of metanilic acid, a water-soluble aromatic amine derivative, falls under HTS 2921.42.21.00 per chapter notes classifying inorganic salts of organic amine compounds with the parent compound. Used in azo dye coupling reactions and as a reagent in analytical chemistry.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

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

Import Tips

Label as 'Sodium 3-aminobenzenesulfonate' with CAS 121-47-1; include salt confirmation in CoA to match HTS specificity

Comply with DOT shipping regulations for corrosive solids; use UN-approved drums to prevent leakage-related rejections

Avoid water-dissolved forms exceeding transport allowances, as chapter note (d) limits solutions to prevent general use classification