1,3-Butylene Glycol from Mexico
1,3-Butylene glycol (1,3-butanediol) is a chemically defined acyclic diol with two hydroxyl groups on a four-carbon chain. It falls under HTS 2905.39.10.00 as a specific butylene glycol isomer used in cosmetics and pharmaceuticals. This classification applies to pure forms without impurities altering its chemical definition.
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 Certificate of Analysis confirming 98%+ purity as butylene glycol; ensure solvent-free packaging per Chapter 29 note (e); declare exact isomer to avoid reclassification