1,1,1-Trichloro-2-bromo-2-fluoroethane from Mexico
Complex ethane derivative bearing chlorine, bromine, and fluorine, exemplifying acyclic multi-halogenation. HTS 2903.79.90 applies as 'Other' halogenated acyclic hydrocarbons with ≥2 different halogens. Used in pharmaceutical intermediate production.
Duty Rate — Mexico → United States
13.7%
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
• Provide IUPAC naming and SMILES notation for customs chemistry review
• Monitor for PFAS-related import restrictions due to fluorinated components
• Batch certification required showing < specified impurities per chapter note (a)