| Formula / Notation | C4H10O |
|---|---|
| CAS Number | 78-92-2 |
| Molecular Weight | 74.12 |
| Melting Point | -175 °F (NIOSH, 2024) |
| Boiling Point | 211 °F at 760 mmHg (NIOSH, 2024) |
| Density | 0.81 (NIOSH, 2024) - Less dense than water; will float |
| Solubility | 16 % (NIOSH, 2024) |
| Appearance | Sec-butyl alcohol appears as a clear colorless liquid with an alcohol odor. Flash point below 0 °F. Less dense than water. Vapors heavier than air. Soluble in water. Moderately irritates the eyes ... |
| Also Known As | butan-2-ol; Butan-2-ol; sec-Butanol; 78-92-2; SEC-BUTYL ALCOHOL; 2-Butyl alcohol; Butylene hydrate; 1-Methyl-1-propanol; Methyl ethyl carbinol; 1-Methylpropyl alcohol |
| Category | Organic Compounds |
What is 2-Butanol?
Butan-2-ol is a secondary alcohol that is butane substituted by a hydroxy group at position 2. It derives from a hydride of a butane.
Formula & Notation
IUPAC Name: butan-2-ol
Other Names / Synonyms: butan-2-ol; Butan-2-ol; sec-Butanol; 78-92-2; SEC-BUTYL ALCOHOL; 2-Butyl alcohol; Butylene hydrate; 1-Methyl-1-propanol; Methyl ethyl carbinol; 1-Methylpropyl alcohol
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | -175 °F (NIOSH, 2024) |
| Boiling Point | 211 °F at 760 mmHg (NIOSH, 2024) |
| Density | 0.81 (NIOSH, 2024) - Less dense than water; will float |
| Molecular Weight | 74.12 |
| Solubility | 16 % (NIOSH, 2024) |
| Appearance | Sec-butyl alcohol appears as a clear colorless liquid with an alcohol odor. Flash point below 0 °F. Less dense than water. Vapors heavier than air. Soluble in water. Moderately irritates the eyes ... |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Butan-2-ol is a secondary alcohol that is butane substituted by a hydroxy group at position 2. It derives from a hydride of a butane.
Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.
Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.
The formula or notation for 2-Butanol is: C4H10O