3-Methyl-2-Butanol (sec-Isoamyl Alcohol) from Mexico
3-Methyl-2-butanol, a secondary pentanol isomer, falls under HTS 2905.19.10.00 for saturated monohydric acyclic alcohols. Employed as a coupling agent in industrial cleaners and fuel additives.
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 refractive index data (n20/D 1.396-1.398) to verify chemical identity
• Include end-use statement if for fuel applications to prevent Chapter 27 misclassification
• Use stainless steel containers to prevent reaction with iron during ocean transport