2-Methyl-2-Butanol (tert-Amyl Alcohol)
2-Methyl-2-butanol is a tertiary C5 acyclic alcohol technically classified as butanol derivative under HTS 2905.14.5050 due to its saturated monohydric structure. Primarily used as a gasoline anti-knock additive.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified by five-carbon chain length
Some customs interpret C5 saturated alcohols under pentanol subheading.
If supplied with >70% aromatic content for gasoline
Additive mixtures for motor fuel classified under prepared antiknock compounds.
If when denatured for motor spirit blending
Denatured spirits for fuel use shift to petroleum gases classification.
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Import Tips & Compliance
• Provide ASTM D7860 analysis confirming >96% purity for fuel additive specifications
• EPA registration may be required if marketed as fuel additive; verify TSCA inventory status
• Segregate from primary alcohols during storage to prevent trans-esterification reactions
Related Products under HTS 2905.14.50.50
Isobutanol (2-Methyl-1-Propanol)
Isobutanol is a primary alcohol classified as a saturated monohydric butanol under HTS 2905.14.5050 due to its four-carbon chain structure and single hydroxyl group. It is a colorless liquid used as a solvent in paints, coatings, and chemical synthesis.
tert-Butanol (2-Methyl-2-Propanol)
tert-Butanol is a tertiary saturated monohydric butanol classified under HTS 2905.14.5050 as an acyclic alcohol with a branched four-carbon structure. Widely used as a gasoline additive and chemical intermediate in pharmaceutical production.
sec-Butanol (2-Butanol)
sec-Butanol is a secondary alcohol with formula CH3CH(OH)CH2CH3, classified as 'other butanols' under HTS 2905.14.5050. It serves as an intermediate in producing methyl ethyl ketone and as a solvent in industrial applications.
n-Butanol Technical Grade (1-Butanol)
Technical grade n-butanol (<99.5% purity) is a primary saturated monohydric alcohol classified under HTS 2905.14.5050 'other' butanols. Used extensively as a solvent in lacquers, resins, and plasticizers production.
Butanol Mixtures (C4 Alcohol Blend)
Mixtures containing 60-95% n-butanol, isobutanol, and sec-butanol classified under HTS 2905.14.5050 as 'other' saturated monohydric butanols. Used in solvent formulations and chemical manufacturing.