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1,3-Butanediol Pharma Grade from Mexico

1,3-Butanediol, dihydric acyclic alcohol used in pharmaceuticals and bioplastics. Pure form qualifies under HTS 2905.49.50.01 as chemically defined polyhydric alcohol.

Duty Rate — Mexico → United States

15.5%

Rate breakdown

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

Import Tips

FDA prior notice required for pharma intermediates

Validate chiral purity if specified for drug synthesis

Distinguish from 1,4-butanediol (controlled substance concerns)