2931.49.00.55/Methylphosphonous Dichloride/Japan

Methylphosphonous Dichloride from Japan

CH3PCl2, a trivalent phosphorus compound with one methyl group directly bonded to P, fitting HTS 2931.49.0055 for non-halogenated organophosphorus derivatives. Highly reactive intermediate for phosphonate synthesis.

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

• UN2928 toxic corrosive; requires fume hood handling declaration

• Pyrophoric; ship in ampoules under argon with thermal protection

• CWC precursor; end-user statement mandatory for lab/research import