ButanoneButanone, also known as methyl ethyl ketone (MEK) or ethyl methyl ketone, is an organic compound with the formula CH3C(O)CH2CH3. This colorless liquid ketone has a sharp, sweet odor reminiscent of acetone. Read from the Chembox of the Wikipedia article Butanone, revision 1379970890.

Property

Value

Formula

C4H8O, 72.11 g/mol

Melting point

-86 °C

Boiling point

79.64 °C

Density

0.805 g/cm³

Flash point

-9 °C

log P, measured

0.37

pKa

14.7

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