CAS number 107-87-9 YesY
PubChem 7895
ChemSpider 7607 YesY
UNII I97392I10V YesY
KEGG C01949 YesY
ChEBI CHEBI:16472 YesY
RTECS number CY1400000
Jmol-3D images Image 1
Molecular formula C5H10O
Molar mass 86.13 g/mol
Appearance Colorless liquid
Density 0.809 g/ml
Melting point

−78 °C, 195 K, -108 °F

Boiling point

101 - 105 °C

 YesY (verify) (what is: YesY/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Pentan-2-one or 2-pentanone or methyl propyl ketone is a colorless liquid ketone with an odor resembling that of acetone. Its formula is C5H10O. It is sometimes used in very small amounts as a flavoring food additive. Two other ketones, 3-pentanone and methyl isopropyl ketone are isomers of 2-pentanone.

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