2-Methyl-2-Butanol (tert-Amyl Alcohol)
2-Methyl-2-butanol (tert-amyl alcohol) is a tertiary C5 acyclic alcohol. Despite its C5 structure, it is classified under the tariff item for other butanols due to its saturated monohydric nature and use as a gasoline anti-knock additive.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is considered a pentanol rather than a butanol
Other saturated monohydric alcohols may apply if not classified as butanols.
If sold as a prepared additive for gasoline
Prepared fuel additives with specific functions may fall under chemical additives.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the product's chemical identity as 2-methyl-2-butanol, as it is not a butanol isomer but a pentanol
• Declare the use as an anti-knock additive, which may trigger fuel regulations
• Provide a certificate of analysis to support classification
Related Products under Tariff item 2905.14.00
2-Methyl-1-Butanol
2-Methyl-1-butanol is a primary acyclic saturated alcohol, a branched-chain isomer of butanol. It is a separate chemically defined organic compound, which qualifies it for classification under this tariff item as an 'other butanol'.
2-Methyl-2-Butanol
2-Methyl-2-butanol is a tertiary branched saturated acyclic alcohol, classified as an 'other butanol' under this tariff item. It is a separate chemically defined organic compound used in coatings and cleaners.
3-Methyl-1-Butanol
3-Methyl-1-butanol, also known as isoamyl alcohol, is a primary saturated monohydric alcohol and a branched-chain isomer of butanol. It is a separate chemically defined organic compound, placing it under 'other butanols' in this tariff item.
Butanol Mixtures (C4 Alcohol Blend)
Mixtures containing 60-95% n-butanol, isobutanol, and sec-butanol, used in solvent formulations and chemical manufacturing. As a blend of butanol isomers, it falls under the tariff item for other butanols.
Industrial Isobutyl Alcohol 99.5% Pure
Industrial isobutyl alcohol (2-methylpropan-1-ol) at 99.5% purity is a separate chemically defined organic compound. It is a saturated monohydric acyclic alcohol, classified as an 'other butanol' under this tariff item.
Industrial tert-Butyl Alcohol Solvent (97.5% Purity)
Industrial tert-butyl alcohol at 97.5% purity, supplied in drums for use in paints and coatings. As a saturated monohydric acyclic alcohol below 99% purity, it is classified under the tariff item for other butanols.