2931.42.00.00/Dimethyl Propylphosphonate (DMPP)/Japan

Dimethyl Propylphosphonate (DMPP) from Japan

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 — 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 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