2,3-Dichloropropene from Mexico
2,3-Dichloropropene features both double bond and adjacent chlorine substituents on acyclic C3 chain. Pure chemically defined compound under HTS 2903.29.00.00. Intermediate for pharmaceutical synthesis and specialty polymer modifiers.
Duty Rate — Mexico → United States
15.5%
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
• Provide NMR spectra confirming structure to distinguish from positional 1,3-isomer
• Declare as UN 2047 hazardous due to peroxide formation potential
• Ensure inhibitor levels appropriate for stabilizer per chapter note 2(f)