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2931.41.00.00/DMMP for Polyurethane Foam Production/Japan

DMMP for Polyurethane Foam Production from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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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

DMMP for Polyurethane Foam Production from Japan — Import Duty Rate | HTS 2931.41.00.00