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2835.31.00.00/USP Grade Sodium Tripolyphosphate/Japan

USP Grade Sodium Tripolyphosphate from Japan

United States Pharmacopeia (USP) grade STPP is a high-purity polyphosphate used in pharmaceutical formulations and as a pharmaceutical aid for controlled release. It qualifies under HTS 2835.31.00.00 as chemically defined sodium triphosphate. Purity exceeds pharmacopeia standards without organic admixtures.

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

• Submit USP certificate of analysis and DMF if for drug master file; FDA registration mandatory

• Declare pharmacopeia grade explicitly to prevent downgrade to technical grade valuation

USP Grade Sodium Tripolyphosphate from Japan — Import Duty Rate | HTS 2835.31.00.00