3-Propanephosphonic Acid Dichloride from Japan
3-Propanephosphonic acid dichloride, synonymous with propylphosphonic dichloride, is a reactive P-Cl compound used in phosphorylation reactions. It falls under HTS 2931.52.00.00 due to its halogenated organo-phosphorus structure with direct C-P bond. Primarily employed in synthesizing agrochemicals and surfactants.
Duty Rate — Japan → United States
12.5%
Rate breakdown
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
• Declare exact CAS number (16788-52-0) on commercial invoice for verification
• Use UN-approved containers for Class 8 corrosives to prevent spills
• Monitor for REACH-like restrictions if transshipping from EU