1-Butanol
CAS 71-36-3C4H10O74.12 g/mol
Butan-1-ol is a primary alcohol that is butane in which a hydrogen of one of the methyl groups is substituted by a hydroxy group. It it produced in small amounts in humans by the gut microbes. It has a role as a protic solvent, a mouse metabolite and a human metabolite. It is a primary alcohol, a short-chain primary fatty alcohol and an alkyl alcohol.
IUPAC: butan-1-ol
PubChem
Physical & Chemical Properties
| Melting Point | -129 °F (USCG, 1999) |
| Boiling Point | 243.9 °F at 760 mmHg (USCG, 1999) |
| Density | 0.81 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Solubility | 9 % (NIOSH, 2024) |
| Flash Point | 84 °F (USCG, 1999) |
| Vapor Pressure | 15.51 mmHg (USCG, 1999) |
| Appearance | N-butyl alcohol is a colorless liquid. Used in organic chemical synthesis, plasticizers, detergents, etc. |
Data: PubChem · Last updated: 4/20/2026
GHS Classification
No GHS classification data available.
Classification data is sourced from ECHA.
Regulatory Compliance
TSCA
Listed
note: Status based on EPA TSCA Active Inventory · inventory name: TSCA Chemical Substance Inventory
View sourceGlobal Trade Intelligence
No trade flow data available for this chemical.
HS Code(s): 2905
Data: UN Comtrade
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