1,3-Dichlorobutane from Mexico
1,3-Dichlorobutane positions chlorine atoms on carbons 1 and 3 of the butane chain, qualifying under the dichlorobutanes category in HTS 2903.19.05.00. This saturated chlorinated acyclic hydrocarbon serves as an intermediate for fine chemical synthesis. Classification follows Chapter 29 rules for halogenated derivatives.
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
• Document production process to confirm acyclic saturated nature excluding Chapter 27 hydrocarbons
• Include flash point and vapor pressure data for proper hazmat shipping classification
• Beware of sulfonated impurities which could shift classification per Chapter notes