Calcium Bis(monoisopropyl phosphate) from Mexico

This metal salt of a phosphoric ester functions as a lubricant additive and stabilizer. Classified under HTS 2919.90.50.50 per note 5(C)(1) for inorganic salts of organic phosphate compounds following the organic component's heading. Chapter notes specify salt classification follows acid-function compound.

Duty Rate — Mexico → United States

3.7%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

Salt stoichiometry analysis prevents inorganic phosphate misclassification

Anti-corrosion testing documentation for additive claims