Phenanthrene from Mexico
Phenanthrene (C14H10) is a tricyclic aromatic hydrocarbon with angularly fused rings. Classified under HTS 2902.90.20.00 as a specifically listed cyclic hydrocarbon used in explosives and dyes.
Duty Rate — Mexico → United States
10%
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
• Document melting range 99-101°C and UV absorption maxima for identity
• Sublime under vacuum for purification to meet 99.5% specification
• Declare as UN 3077 Environmentally Hazardous Substance for bulk shipments