2931.41.00.00/Dimethyl Methylphosphonate (DMMP)/Japan

Dimethyl Methylphosphonate (DMMP) from Japan

Dimethyl methylphosphonate (DMMP) is a non-halogenated organo-phosphorus compound with the chemical formula CH3PO(OCH3)2, classified under HTS 2931.41.00.00 as a specific organo-inorganic derivative. It is a colorless liquid used primarily as a flame retardant additive and chemical intermediate.

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

• Verify purity levels (>98%) via certificate of analysis to confirm classification; ensure proper chemical labeling per DOT and EPA regulations; avoid misclassification as pesticide intermediates which require FIFRA registration