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2835.31.00.00/USP Grade Sodium Tripolyphosphate/Mexico

USP Grade Sodium Tripolyphosphate from Mexico

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 — Mexico → United States

11.4%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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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 Mexico — Import Duty Rate | HTS 2835.31.00.00