Triphenylphosphine Oxide from Mexico
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 — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include phosphine oxide analysis certificate; comply with DOT UN 2811 packaging; check end-use declarations for catalyst applications