O-Ethyl O-(4-nitrophenyl) phosphorothioate from Japan
Nitrosated aromatic thiophosphoric ester used in pharmaceutical intermediate synthesis and as analytical reagent. Classified HTS 2920.19.40.00 due to nitro-substituted phenyl ring on phosphorodithioate core. Chapter notes explicitly include nitrated derivatives in this heading.
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
• Nitro compounds require additional ATF export license verification; include GHS hazard pictograms on labels; test for peroxide formation stability before shipment