Butan-2-ol

Butan-2-ol is an organic compound with the molecular formula C4H10O.

Formula
C4H10O
Functional group
Secondary alcohols; Methyl secondary alcohols
Molar mass
74.12 g/mol
Also known as
2-Butanol, sec-Butanol, SEC-BUTYL ALCOHOL, 2-Butyl alcohol, Butylene hydrate, 1-Methyl-1-propanol

Overview

Butan-2-ol is an organic compound with the molecular formula C4H10O.

Identifiers

Formula
C4H10O
Functional group
Secondary alcohols; Methyl secondary alcohols
Molar mass
74.12 g/mol
Also known as
2-Butanol, sec-Butanol, SEC-BUTYL ALCOHOL, 2-Butyl alcohol, Butylene hydrate, 1-Methyl-1-propanol
Chemical identifiers
SMILES
CCC(C)O
InChI
InChI=1S/C4H10O/c1-3-4(2)5/h4-5H,3H2,1-2H3
PubChem CID
6568

Properties

Melting Point
-114 °C
Boiling Point
99.5 °C
Relative density (water = 1)
Relative density (water = 1): 0.81
Water solubility
125,000 mg/l water at 20 °C

Related compounds

  • Alcohols

    Butan-2-ol is an organic compound with the molecular formula C4H10O.

  • Secondary alcohols

    Butan-2-ol is an organic compound with the molecular formula C4H10O.

  • Methyl secondary alcohols

    Butan-2-ol is an organic compound with the molecular formula C4H10O.

References

  1. PubChem Compound Summary: Butan-2-ol (CID 6568)National Center for Biotechnology Information · PubChem

    Identity, molecular formula, molecular weight and aliases retrieved via PUG REST on 2026-09-08.

  2. Hazardous Substances Data Bank (HSDB): Butan-2-ol — melting pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/6568#section=Melting-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Lewis, R.J., Sr (Ed.). Hawley's Condensed Chemical Dictionary. 13th ed. New York, NY: John Wiley & Sons, Inc. 1997., p. 175

  3. Hazardous Substances Data Bank (HSDB): Butan-2-ol — boiling pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/6568#section=Boiling-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Snyder, R. (ed.). Ethel Browning's Toxicity and Metabolism of Industrial Solvents. Second Edition. Volume 3 Alcohols and Esters. New York, NY: Elsevier, 1992., p. 54

  4. ILO-WHO International Chemical Safety Cards (ICSCs): Butan-2-ol — densityILO-WHO International Chemical Safety Cards (ICSCs)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/6568#section=Density. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred.

  5. Hazardous Substances Data Bank (HSDB): Butan-2-ol — solubilityHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/6568#section=Solubility. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Verschueren, K. Handbook of Environmental Data on Organic Chemicals. 3rd ed. New York, NY: Van Nostrand Reinhold Co., 1996., p. 353