1,1-Dichlorobutane from Mexico
1,1-Dichlorobutane is a dichlorobutane isomer where both chlorine atoms are attached to the first carbon of a butane chain, qualifying as a saturated chlorinated derivative of acyclic hydrocarbon butane. It is specifically covered under HTS 2903.19.05.00 which names dichlorobutanes explicitly. Used primarily as a synthetic intermediate in pharmaceutical and agrochemical production.
Duty Rate — Mexico → United States
15.1%
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
• Include detailed chemical analysis certificates confirming isomer structure and compliance with Chapter 29 purity requirements
• Ensure proper hazardous material declaration (UN 2387) and DOT compliance for transport
• Check for REACH-like restrictions if transshipping from EU; distinguish from CFCs which have separate quotas