Isoamyl Alcohol from Japan

Isoamyl alcohol (3-methyl-1-butanol) is a saturated monohydric acyclic alcohol used as a solvent in paints, varnishes, and pharmaceutical formulations. It falls under HTS 2905.19.90 as it is a C5 acyclic alcohol not specifically enumerated in prior subheadings, meeting Chapter 29 requirements for chemically defined organic compounds.

Duty Rate — Japan → United States

13.7%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Provide detailed chemical purity certificates (GC/MS analysis) to confirm it meets 'chemically defined' criteria under Chapter 29 note (a)

Ensure SDS includes CAS number (123-51-3) and verify not mixed with impurities exceeding 1% to avoid reclassification

Label containers with UN number (1105) for hazmat compliance; common pitfall is improper transport documentation leading to CBP holds