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2931.90.90.40/Phenylarsonic Acid/Mexico

Phenylarsonic Acid from Mexico

Phenylarsonic acid (C6H5AsO3H2) is an aromatic organoarsenic acid with direct As-C linkage. It is classified under HTS 2931.90.90.40 as other organo-inorganic compounds. Applied in pharmaceutical synthesis and veterinary feed additives.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

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

• FDA prior approval for animal drug use; include batch analysis showing >98% purity

• Avoid bulk mixtures to prevent 3824 reclassification

Phenylarsonic Acid from Mexico — Import Duty Rate | HTS 2931.90.90.40