3-Pentanone

3-Pentanone
Names
	Preferred IUPAC name Pentan-3-one
	Other names Diethyl ketone, diethylketone, 3-pentanone, dimethyl acetone, propione, DEK, metacetone, methacetone, ethyl ketone fraction
Identifiers
CAS Number	96-22-0 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:87755 ;
ChEMBL	ChEMBL45315 ;
ChemSpider	7016 ;
ECHA InfoCard	100.002.265
EC Number	202-490-3;
PubChem CID	7288;
RTECS number	SA8050000;
UNII	9SLZ98M9NK ;
UN number	1156
CompTox Dashboard (EPA)	DTXSID6021820 ;
	InChI InChI=1S/C5H10O/c1-3-5(6)4-2/h3-4H2,1-2H3 Key: FDPIMTJIUBPUKL-UHFFFAOYSA-N ; InChI=1/C5H10O/c1-3-5(6)4-2/h3-4H2,1-2H3 Key: FDPIMTJIUBPUKL-UHFFFAOYAJ;
	SMILES O=C(CC)CC;
Properties
Chemical formula	C5H10O
Molar mass	86.134 g·mol−1
Appearance	Colorless liquid
Odor	Acetone-like
Density	0.81 g/cm3 at 20 °C
Melting point	−39 °C (−38 °F; 234 K)
Boiling point	102 °C (216 °F; 375 K)
Solubility in water	35 g/L
Vapor pressure	35 mmHg
Magnetic susceptibility (χ)	−58.14·10−6 cm3/mol
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H225, H335, H336
Precautionary statements	P210, P233, P240, P241, P242, P243, P261, P271, P280, P303+P361+P353, P304+P340, P312, P370+P378, P403+P233, P403+P235, P405, P501
Flash point	12.78 °C (55.00 °F; 285.93 K)
Autoignition; temperature	425 °C (797 °F; 698 K)
Explosive limits	1.6–6.4%
	NIOSH (US health exposure limits):
PEL (Permissible)	none
REL (Recommended)	TWA 200 ppm (705 mg/m3)
IDLH (Immediate danger)	N.D.
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

3-Pentanone (also known as diethyl ketone) is a simple, symmetrical dialkyl ketone. It is a colorless liquid ketone with an odor like that of acetone. It is soluble in about 25 parts water, but miscible with organic solvents.