Dimethyl Propylphosphonate (DMPP) from Mexico
Dimethyl propylphosphonate is a non-halogenated organo-phosphorus compound with the formula CH3CH2CH2P(O)(OCH3)2, classified under HTS 2931.42.00.00 as a specific organo-inorganic derivative. It serves as a key intermediate in chemical synthesis and flame retardant production.
Duty Rate — Mexico → 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 certificate (typically >98%) to confirm classification as chemically defined compound; ensure SDS includes CAS 6768-94-1
• Avoid mixtures exceeding Chapter 29 note limits to prevent reclassification