2931.90.60.00/Triphenylphosphine Oxide/Japan

Triphenylphosphine Oxide from Japan

Triphenylphosphine oxide is an organophosphorus compound used as a catalyst and ligand in organic synthesis. Classified under HTS 2931.90.60.00 as an aromatic organo-inorganic compound with phosphorus directly bonded to carbon. Common in pharmaceutical and fine chemical manufacturing.

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

• Include phosphine oxide analysis certificate; comply with DOT UN 2811 packaging; check end-use declarations for catalyst applications