2-Pentanone

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Pentan-2-one


IUPAC name pentan-2-one
Other names methyl propyl ketone 2-pentanone
Identifiers
CAS number	107-87-9^Y
PubChem	7895
ChemSpider	7607^Y
UNII	I97392I10V^Y
KEGG	C01949^Y
ChEBI	CHEBI:16472^Y
ChEMBL	CHEMBL45345^Y
RTECS number	CY1400000
Jmol-3D images	Image 1
SMILES O=C(C)CCC
InChI InChI=1S/C5H10O/c1-3-4-5(2)6/h3-4H2,1-2H3^Y Key: XNLICIUVMPYHGG-UHFFFAOYSA-N^Y InChI=1/C5H10O/c1-3-4-5(2)6/h3-4H2,1-2H3 Key: XNLICIUVMPYHGG-UHFFFAOYAJ
Properties
Molecular formula	C₅H₁₀O
Molar mass	86.13 g/mol
Appearance	Colorless liquid
Density	0.809 g/ml
Melting point	−78 °C; −108 °F; 195 K
Boiling point	101 - 105 °C
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 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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