Chloroacetone

Chloroacetone
Names
	Preferred IUPAC name 1-Chloropropan-2-one
	Other names Acetonyl chloride, chloropropanone, 1-chloro-2-propanone, monochloroacetone, 1-chloro-2-ketopropane, 1-chloro-2-oxypropane; UN 1695
Identifiers
CAS Number	78-95-5 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	605369
ChEBI	CHEBI:47220 ;
ChemSpider	6323 ;
ECHA InfoCard	100.001.056
EC Number	201-161-1;
PubChem CID	6571;
RTECS number	UC0700000;
UNII	60ZTR74268 ;
CompTox Dashboard (EPA)	DTXSID0021547 ;
	InChI InChI=1S/C3H5ClO/c1-3(5)2-4/h2H2,1H3 Key: BULLHNJGPPOUOX-UHFFFAOYSA-N ; Key: BULLHNJGPPOUOX-UHFFFAOYAY;
	SMILES ClCC(=O)C;
Properties
Chemical formula	C3H5ClO
Molar mass	92.52 g·mol−1
Appearance	Colorless liquid, oxidizes to amber
Density	1.123 g/cm3
Melting point	−44.5 °C (−48.1 °F; 228.7 K)
Boiling point	119 °C (246 °F; 392 K)
Solubility in water	10 g/100 mL at 20 °C
Solubility	miscible with alcohol, ether, chloroform
Vapor pressure	1.5 kPa
Magnetic susceptibility (χ)	−50.9·10−6 cm3/mol
Dipole moment	2.36
Hazards
Flash point	35 °C (95 °F; 308 K)
Autoignition; temperature	610 °C (1,130 °F; 883 K)
Explosive limits	3.4% - ?
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	100 mg/kg (rats, oral)
	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

Chloroacetone is a chemical compound with the formula C H₃COCH₂Cl. At STP it is a colorless liquid with a pungent odor. On exposure to light, it turns to a dark yellow-amber color. It was used as a tear gas in World War I.