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DMMP for Polyurethane Foam Production from Mexico

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 — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter

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