Isoamyl Alcohol (3-Methyl-1-Butanol)
Isoamyl alcohol, chemically 3-methyl-1-butanol, is a branched pentanol isomer covered by HTS 2905.19.10.00 for saturated monohydric acyclic alcohols. Widely used in flavorings, perfumes, and as a pharmaceutical intermediate.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If when put up in retail packages as fragrance ingredient
Mixtures containing >50% isoamyl alcohol for perfumery classify under Chapter 33.
If chemically identical but derived from fusel oil fermentation process
Hexanol isomers and similar fermentation alcohols may fall under different subheading.
If imported as extraction solvent mixture with >20% other solvents
Chemical preparations with multiple solvents classify as mixtures in heading 3824.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Include GC-MS analysis verifying isomer composition to distinguish from other C5 alcohols
• Comply with FDA food contact regulations if destined for flavor/fragrance applications
• Avoid bulk packaging over 450L drums to prevent reclassification as Chapter 27 petroleum product
Related Products under HTS 2905.19.10.00
n-Pentanol (1-Pentanol)
n-Pentanol, also known as 1-pentanol, is a saturated monohydric acyclic alcohol with the formula C5H11OH, classified under HTS 2905.19.10.00 as a pentanol isomer. It is a colorless liquid used as a solvent in paints, coatings, and pharmaceutical synthesis.
2-Methyl-1-Butanol
2-Methyl-1-butanol is a primary pentanol isomer, a clear flammable liquid classified under HTS 2905.19.10.00 as a saturated monohydric acyclic alcohol. Used in synthetic resins, lacquers, and as a flavoring agent.
3-Methyl-2-Butanol (sec-Isoamyl Alcohol)
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.
2,2-Dimethyl-1-Propanol (Neopentyl Alcohol)
Neopentyl alcohol (2,2-dimethyl-1-propanol) is a sterically hindered primary pentanol isomer classified in HTS 2905.19.10.00. Used in specialty polymer synthesis and pharmaceutical intermediates.
tert-Amyl Alcohol (2-Methyl-2-Butanol)
tert-Amyl alcohol, or 2-methyl-2-butanol, is a tertiary pentanol isomer under HTS 2905.19.10.00 for saturated monohydric acyclic alcohols. Common gasoline oxygenate and chemical intermediate.
Pentanol Technical Grade 99%
Technical grade n-pentanol (99% purity) qualifies under HTS 2905.19.10.00 as it meets the chapter note for separate chemically defined organic compounds with minor impurities. Used in industrial solvent formulations.