Stabilized sec-Butyl Chloride for Transport from Mexico
sec-Butyl chloride with polymerization inhibitor (e.g., 0.01% BHT) added per chapter note (f) for safe long-distance transport. Remains classified under HTS 2903.19.30.00 as the stabilizer is necessary for preservation only. Supplied in ISO tank containers for chemical distributors.
Duty Rate — Mexico → United States
10%
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
• Document stabilizer concentration (<0.1%) and safety justification in technical file
• ISO tank must have stainless steel lining; verify against chemical compatibility charts