C4H10O
74.12 g/mol
Industrial ChemicalWarning
2-Butanol
CAS78-92-2EC201-158-5
Category
Industrial Chemical
Compound Class
Alcohol
Primary Use
Solvent and chemical intermediate
2-Butanol, also known as sec-butyl alcohol, is a clear, colorless liquid with an alcohol-like odor. It is commonly used as a solvent and a chemical intermediate in various industrial processes.
solventchemical intermediatepaint remover and cleaner
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Safety Reference
Warning
H226Flammable liquid and vapour
H319Causes serious eye irritation
H335May cause respiratory irritation
H336May cause drowsiness or dizziness
H332Harmful if inhaled
H361Suspected of damaging fertility or the unborn child
H303May be harmful if swallowed
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 2-Butanol (CAS 78-92-2) is 2905.14.
HS code (international, 6-digit)
2905.14
EU CN code (8-digit)
2905 14 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
butan-2-ol
InChIKey
BTANRVKWQNVYAZ-UHFFFAOYSA-N
SMILES
CCC(C)O
Synonyms (53)
- 2-Butanol, United States Pharmacopeia (USP)
- (+/-)butan-2-ol
- (1)-Butan-2-ol
- (r)-(-)-sec-butanol
- 1-Methyl propanol
- 1-Methyl-1-propanol
- 1-Methylpropyl alcohol
- 2-Butanol
- 2-Butanol (natural)
- 2-Butanol, (R)-
- 2-Butanol, (S)-
- 2-Butanol, CP grade
- 2-Butanol, SAJ first grade
- 2-Butanol, anhydrous
- 2-Butanol, p.a.
- 2-Butyl alcohol
- 2-Hydroxybutane
- 3-BUTANOL
- ASTM D3606 2-Butanol IS
- Alcool butylique secondaire
- Butane, 2-hydroxy-
- Butanol secondaire
- Butanol secondaire [French]
- Butyl alcohol, sec-
- Butylene hydrate
- Caswell No. 119C
- D-sec-Butanol
- DL-sec-Butanol
- Ethyl methyl carbinol
- L-sec-Butanol
- Methyl ethyl carbinol
- Poly(vinyl alcohol) CRS
- S.B.A.
- SEC-BUTYL ALCOHOL
- SEC-BUTYL ALCOHOL DL-FORM
- Secondary Butanol (SBA)
- dl-Methylethylcarbinol
- n-Butan-2-ol
- s-BuOH
- s-Butanol
- s-Butyl alcohol
- s-Butylalkohol
- sec-BuOH
- sec-Butanol
- sec-Butyl Alcohol, (R)-(-)-
- secondary butanol
- secondary butyl alcohol
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