DMMP for Polyurethane Foam Production from Canada
Specialty dimethyl methylphosphonate grade optimized for reactive flame retardancy in flexible polyurethane foams, classified under HTS 2931.41.00.00 as it remains a pure non-halogenated organo-phosphorus derivative. It reacts during foam polymerization without altering its chemical identity.
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
• Provide end-use statement to CBP for verification; ensure no added odorants/emetics per Chapter note (g); segregate from halogenated chemicals during shipping