2-Pentanone

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2-Pentanone
Structure of 2-Pentanone
Common name 2-pentanone
Systematic name pentan-2-one
Other names methyl propyl ketone
Chemical formula C5H10O

2-Pentanone or methyl propyl ketone is a colorless liquid ketone with an odor resembling that of acetone. Its formula is C5H10O. Its boiling point is 102.26°C and its freezing point is -76.8°C (-108°F). 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. Its density is 0.809 g/cm³.

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