Research-Grade Methylphosphonic Dichloride from Mexico
Ultra-pure methylphosphonic dichloride for academic and R&D use in synthesizing phosphonate esters. Classified precisely under HTS 2931.51.00.00 for its halogenated organo-phosphorus profile. Excludes retail preparations per Chapter exclusions.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide institutional end-user certificates; comply with MTCR controls if for nerve agent analogs; declare exact CAS 676-97-1