2905.49.50.01/1,3-Butanediol Pharma Grade/Japan

1,3-Butanediol Pharma Grade from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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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)