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2916.39.04.00/Potassium 4-Sulfobenzoate/Mexico

Potassium 4-Sulfobenzoate from Mexico

Potassium 4-sulfobenzoate (p-sulfobenzoic acid potassium salt) serves as a reactive intermediate in azo dye coupling and sulfonated drug synthesis. Specifically listed under HTS 2916.39.04.00 among aromatic monocarboxylic acid sulfonated derivatives.

Duty Rate — Mexico → United States

10%

Rate breakdown

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

• Counterion analysis required; sodium salt would classify under 2916.39.2500

• Dust hazard precautions needed; use anti-dusting agent only if per chapter note (g)

• Solubility testing documentation helps distinguish from insoluble sulfonates

Potassium 4-Sulfobenzoate from Mexico — Import Duty Rate | HTS 2916.39.04.00