Dimethyl Methylphosphonate (DMMP) from Canada
Dimethyl methylphosphonate (DMMP) is a non-halogenated organo-phosphorus compound with the chemical formula CH3PO(OCH3)2, classified under HTS 2931.41.00.00 as a specific organo-inorganic derivative. It is a colorless liquid used primarily as a flame retardant additive and chemical intermediate.
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
• Verify purity levels (>98%) via certificate of analysis to confirm classification; ensure proper chemical labeling per DOT and EPA regulations; avoid misclassification as pesticide intermediates which require FIFRA registration