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2930.90.49/Mercaptosuccinic Acid/Mexico

Mercaptosuccinic Acid from Mexico

Mercaptosuccinic acid (thiomalic acid) functions as a chelating agent in metal recovery processes and biochemical research. HTS 2930.90.49 covers this as an other organo-sulfur acid per the chapter's definition of compounds with S directly bound to C.

Duty Rate — Mexico → United States

14.2%

Rate breakdown

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

• Verify not classifiable as sulfonated derivative (excluded from 2930) via FTIR analysis

• For lab/research quantities, include end-user certificates to avoid DEA scrutiny

Mercaptosuccinic Acid from Mexico — Import Duty Rate | HTS 2930.90.49