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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

23.8%

Rate breakdown

9903.04.6211.3%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

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