tert-Butanol (2-Methyl-2-Propanol) from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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