99% Pure Trimethyl Phosphite from Canada
High-purity trimethyl phosphite (99%) used in fine chemical synthesis for agrochemicals and polymers. Falls under HTS 2920.23.00.00 as an ester of phosphorous acid without halogenation or other modifications.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide GC-MS analysis confirming trimethyl phosphite content to avoid reclassification as mixture
• Label with GHS pictograms for flammable liquid and toxic hazards; ensure DOT-compliant shipping papers
• Check EU REACH compliance if transshipping, as phosphites require registration