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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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