tert-Butanol (2-Methyl-2-Propanol) from Mexico
tert-Butanol is a tertiary saturated monohydric butanol classified under HTS 2905.14.5050 as an acyclic alcohol with a branched four-carbon structure. Widely used as a gasoline additive and chemical intermediate in pharmaceutical production.
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
• Include GC-MS purity certificates showing minimum 99.5% tert-butanol content to prevent reclassification
• Declare exact water content (<0.3%) as aqueous solutions may require different headings per chapter notes
• Use stainless steel containers only; avoid plastic drums that could cause contamination issues during customs inspection