IMPCH (O-Isopropyl Methylphosphonochloridate) Technical Grade from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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