2932.20.50/Ascorbic Acid (Vitamin C) Lactone/Japan

Ascorbic Acid (Vitamin C) Lactone from Japan

Ascorbic acid features an enediol-lactone structure with oxygen heteroatoms only, classified under HTS 2932.20.50. Used as antioxidant in food, pharma, and cosmetics.

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

• Food grade requires USP/NF certificate; pharma grade needs DMF filing

• Particle size specification critical for dissolution rate compliance