4-Methylpentan-2-one

4-Methylpentan-2-one is an organic compound with the molecular formula C6H12O.

Formula
C6H12O
Functional group
Ketones; Methyl ketones
Molar mass
100.16 g/mol
Also known as
4-Methyl-2-pentanone, METHYL ISOBUTYL KETONE, Isopropylacetone, Isobutyl methyl ketone, Hexone, MIBK

Overview

4-Methylpentan-2-one is an organic compound with the molecular formula C6H12O.

Identifiers

Formula
C6H12O
Functional group
Ketones; Methyl ketones
Molar mass
100.16 g/mol
Also known as
4-Methyl-2-pentanone, METHYL ISOBUTYL KETONE, Isopropylacetone, Isobutyl methyl ketone, Hexone, MIBK
Chemical identifiers
SMILES
CC(C)CC(=O)C
InChI
InChI=1S/C6H12O/c1-5(2)4-6(3)7/h5H,4H2,1-3H3
PubChem CID
7909

Properties

Melting Point
-85 °C
Boiling Point
115.7 °C
Density
0.7965 g/cu cm at 25 °C
Water solubility
In water, 19,000 mg/L at 25 °C

Related compounds

  • Ketones

    4-Methylpentan-2-one is an organic compound with the molecular formula C6H12O.

  • Methyl ketones

    4-Methylpentan-2-one is an organic compound with the molecular formula C6H12O.

References

  1. PubChem Compound Summary: 4-Methylpentan-2-one (CID 7909)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): 4-Methylpentan-2-one — melting pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/7909#section=Melting-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Haynes, W.M. (ed.). CRC Handbook of Chemistry and Physics. 95th Edition. CRC Press LLC, Boca Raton: FL 2014-2015, p. 3-386

  3. Hazardous Substances Data Bank (HSDB): 4-Methylpentan-2-one — boiling pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/7909#section=Boiling-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Haynes, W.M. (ed.). CRC Handbook of Chemistry and Physics. 95th Edition. CRC Press LLC, Boca Raton: FL 2014-2015, p. 3-386

  4. Hazardous Substances Data Bank (HSDB): 4-Methylpentan-2-one — densityHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/7909#section=Density. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Haynes, W.M. (ed.). CRC Handbook of Chemistry and Physics. 95th Edition. CRC Press LLC, Boca Raton: FL 2014-2015, p. 3-386

  5. Hazardous Substances Data Bank (HSDB): 4-Methylpentan-2-one — solubilityHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/7909#section=Solubility. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Yalkowsky, S.H., He, Yan, Jain, P. Handbook of Aqueous Solubility Data Second Edition. CRC Press, Boca Raton, FL 2010, p. 299