Chloromethylphosphonic Acid from Mexico
Chloromethylphosphonic acid serves as an intermediate in organophosphorus chemistry and metal extractants. Classified in HTS 2931.59.00.80 for its halogenated organo-phosphorus structure with P-CH2Cl functionality. Meets Chapter 29 requirements for chemically defined compounds with direct nonmetal linkages to carbon.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Declare as a corrosive hazardous material (UN 3265) with appropriate placarding
• Provide synthetic route documentation to verify P-C bond formation
• Monitor for hydrolysis during storage; include stabilizer information if applicable