2931.90.90/Triethylphosphine Gold(I) Chloride/Mexico

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

3.7%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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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

Triethylphosphine Gold(I) Chloride from Mexico — Import Duty Rate | HTS 2931.90.90