Methylphosphonic Dichloride (Methylphosphonic Acid Dichloride) from China
This reactive compound (CH3P(O)Cl2) features phosphorus bonded to one methyl group and two chlorines, meeting HTS 2931.49.0055 criteria for non-halogenated organo-phosphorus derivatives where 'non-halogenated' refers to the organic substituent chain. Used as an intermediate in pharmaceutical and agrochemical synthesis.
Duty Rate — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Ship under UN 2927 (corrosive liquid) with proper placarding; verify DOT exemption for R&D quantities
• Provide synthesis route documentation to distinguish from CWC Schedule 2 chemicals requiring special licenses
• Avoid bulk imports without dedicated corrosion-resistant packaging