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3913.90.50.00/Alginic Acid Powder/Japan

Alginic Acid Powder from Japan

Alginic acid, extracted from brown seaweed, is a natural polymer in primary powder form used in food gelling and pharmaceutical encapsulation. It is classified in HTS 3913.90.5000 as a natural polymer not elsewhere specified.

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

• Include extraction certificates proving natural origin from algae; ensure no propylene glycol modification to avoid 3913.10; comply with US food contact regulations via prior notice filing