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3913.90.20/Sodium Alginate Powder/Japan

Sodium Alginate Powder from Japan

Sodium alginate, derived from brown seaweed alginic acid, is a natural polysaccharide salt used in food texturizing and biomedical applications like wound dressings. HTS 3913.90.20 covers it as a polysaccharide derivative in primary powder form.

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

• Source verification from alginates (not synthetic) prevents shift to Chapter 29 chemicals

• Declare mesh size and purity to confirm primary form status