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3913.10.00.00/Alginic Acid Powder/Japan

Alginic Acid Powder from Japan

Pure alginic acid in powdered primary form, extracted and purified from brown seaweeds like Laminaria species. Directly classified under HTS 3913.10.00.00 as alginic acid itself. Used in research, pharmaceuticals, and as a raw material for salt/ester production.

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

• Certify as unmodified alginic acid via FTIR or NMR spectra; check for moisture content affecting weight declaration

• Common error: confusing with synthetic polyacrylic acid

Alginic Acid Powder from Japan — Import Duty Rate | HTS 3913.10.00.00