Technical Grade Sodium Tripolyphosphate Anhydrous from Mexico
Anhydrous technical-grade sodium tripolyphosphate is used in detergents as a builder to soften water and enhance cleaning efficiency. Classified under HTS 2835.31.00.00 as sodium triphosphate, a polyphosphate, in its pure chemical form without added stabilizers. It meets Chapter 28 requirements for chemically defined inorganic compounds.
Duty Rate — Mexico → United States
11.4%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide TSCA certification and SDS confirming >90% purity to meet EPA import requirements for industrial chemicals
• Declare exact hydrate form (anhydrous vs. hexahydrate) as it affects density and valuation