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3913.10.00.00/Sodium Alginate Powder/Japan

Sodium Alginate Powder from Japan

Sodium alginate is the sodium salt of alginic acid, a natural polysaccharide extracted from brown seaweed, appearing as a white to yellowish powder in primary form. It falls under HTS 3913.10.00.00 as a salt of alginic acid not elsewhere specified. Primarily used in food, pharmaceutical, and textile industries for its gelling and thickening properties.

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

• Verify purity and seaweed source documentation to confirm natural origin; ensure COA shows sodium alginate content >95% for proper classification

• Common pitfall: mislabeling as synthetic polymer leading to wrong chapter

Sodium Alginate Powder from Japan — Import Duty Rate | HTS 3913.10.00.00