Triethylphosphine Gold(I) Chloride from Mexico
This gold(I) complex (AuCl(PEt3)) contains gold-phosphorus-carbon chain linkages qualifying as organo-inorganic under 2931.90.90. Used in homogeneous catalysis and antirheumatic drugs; chapter notes prioritize organometallic classification.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Declare gold content per 19 CFR 141.89 for precious metal duty assessment
• Pharma intermediate—provide DMF or Type II DMF reference for FDA import review
• Light-sensitive; shipping papers must specify cool, dark storage conditions