Triethylphosphite from Japan
Triethylphosphite (P(OEt)3) is an organophosphorus ester used in the synthesis of pesticides and flame retardants. It qualifies under HTS 2931.49.00 as a non-halogenated organo-phosphorus derivative, being a separate chemically defined compound per Chapter 29 note (a).
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
• Provide CAS number (122-52-1) and molecular formula verification on commercial invoice
• For pesticide intermediates, include end-use statements to avoid TSCA Section 13 restrictions
• Confirm no added anti-dusting agents render it specific-use per Chapter 29 note (g)