tert-Butanol (2-Methyl-2-Propanol) from Mexico
tert-Butanol is a tertiary saturated monohydric alcohol ((CH3)3COH), specifically under HTS 2905.14.50 for other butanols. Widely used as a gasoline additive and solvent. Qualifies as a chemically defined acyclic alcohol per chapter 29 scope.
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 stabilizer documentation if present (allowed per note f); test for water content to avoid chapter 28 inorganic classification
• Pitfall: fuel-grade versions may require EPA registration