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

3.7%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

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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