Triphenylphosphine from China
Triphenylphosphine is an organophosphorus compound with the formula PPh3, containing phosphorus directly bonded to three carbon atoms of phenyl groups. It falls under HTS 2931.49.00 as a non-halogenated organo-phosphorus derivative, classified as 'other' organo-inorganic compounds per Chapter 29 notes. Primarily used as a ligand in organometallic catalysis and Wittig reaction reagent.
Duty Rate — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Provide detailed chemical analysis and Safety Data Sheets (SDS) to confirm non-halogenated phosphorus-carbon bonding
• Verify purity levels as impurities may affect classification under Chapter 29 note (a)
• Check REACH compliance for EU imports and TSCA registration for US customs clearance