Triethyl Phosphite from Japan

Triethyl phosphite (P(OCH2CH3)3) is an organophosphorus compound used in the synthesis of insecticides and as a ligand in metal catalysis. It qualifies under HTS 2920.29.00.00 as 'other' phosphite esters excluding halide esters.

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%

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Import Tips

• Verify CAS number 122-52-1 on all documentation to prevent confusion with phosphate esters

• Include stabilizer certificates if product contains anti-oxidants per Chapter 29 note (f)

• Check for REACH compliance documentation for EU origin goods before US importation