Methylphosphonic Dichloride from China
Methylphosphonic dichloride (CH3P(O)Cl2) is a halogenated organo-phosphorus compound used primarily as a chemical intermediate in organic synthesis. It falls under HTS 2931.51.00.00 as a specific halogenated organo-inorganic compound with phosphorus directly linked to carbon and chlorine atoms. This pure, chemically defined compound meets Chapter 29 note (a) for separate organic compounds.
Duty Rate — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Obtain export licenses from origin country due to potential dual-use restrictions under Chemical Weapons Convention; ensure proper HAZMAT documentation (UN 2845); verify purity certificates to confirm classification under Chapter 29 note (a)