Trimethyl Phosphate (TMP) from Canada
Trimethyl phosphate is the triester of phosphoric acid and methanol, used as a flame retardant, solvent, and pesticide intermediate. It qualifies under HTS 2920.90.51.00 as an ester of phosphoric acid (inorganic acid of nonmetal phosphorus). Common in polymer processing and extraction processes.
Duty Rate — Canada → 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
• Include REACH or TSCA registration numbers on commercial invoice for chemical compliance
• Verify phosphorous content via lab analysis to confirm Chapter 29 classification