Dimethyl Propylphosphonate (DMPP) from Canada
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 — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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