IMPCH (O-Isopropyl Methylphosphonochloridate) Technical Grade from China
Technical grade IMPCH (CAS 14484-64-1), a phosphonyl chloride intermediate for GB nerve agent synthesis and pesticide production. HTS 2931.59.0020 specifically names this compound as a halogenated organo-phosphorus derivative with direct carbon-phosphorus bonding. Distilled under vacuum, stabilized with hexyltriphenylphosphonium bromide.
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
• Schedule 2B(12) under Chemical Weapons Convention; requires End-Use Certificate and BIS license
• Verify no prohibited downstream use; declare all synthesis pathways in import documentation
• Store below 5°C; provide thermal stability data to prevent decomposition during transit