Methylphosphonic Dichloride from China
Methylphosphonic dichloride (CH3P(O)Cl2) contains phosphorus bonded solely to one methyl group and two chlorine atoms, fitting HTS 2930.90.9225's criteria for phosphorus compounds with specified alkyl groups. This reactive intermediate is used in organophosphorus synthesis. No other carbon atoms are present in the core structure.
Duty Rate — China → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Ship with stabilizer as required by chapter note (e); unstabilized forms pose safety risks during transport
• Include reaction pathway documentation showing derivation from methylphosphonic acid to confirm heading placement
• Verify no solvent content exceeds transport safety limits per chapter note (e) to avoid reclassification