Cyclopentanone

Cyclopentanone^[1]
	Cyclopentanone
Names
	Preferred IUPAC name Cyclopentanone
	Other names Ketocyclopentane; Adipic ketone
Identifiers
CAS Number	120-92-3 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:16486 ;
ChEMBL	ChEMBL18620 ;
ChemSpider	8141 ;
ECHA InfoCard	100.004.033
KEGG	C00557 ;
PubChem CID	8452;
RTECS number	GY4725000;
UNII	220W81TN3S ;
CompTox Dashboard (EPA)	DTXSID3029154 ;
	InChI InChI=1S/C5H8O/c6-5-3-1-2-4-5/h1-4H2 Key: BGTOWKSIORTVQH-UHFFFAOYSA-N ; InChI=1/C5H8O/c6-5-3-1-2-4-5/h1-4H2 Key: BGTOWKSIORTVQH-UHFFFAOYAP;
	SMILES C1CCC(=O)C1;
Properties
Chemical formula	C5H8O
Molar mass	84.12 g/mol
Appearance	clear, colorless liquid
Odor	peppermint-like
Density	0.95 g/cm3, liquid
Melting point	−58.2 °C (−72.8 °F; 215.0 K)
Boiling point	130.6 °C (267.1 °F; 403.8 K)
Solubility in water	Slightly soluble
Magnetic susceptibility (χ)	-51.63·10−6 cm3/mol
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H226, H315, H319
Precautionary statements	P210, P302+P352, P305+P351+P338
Flash point	26 °C (79 °F; 299 K)
Safety data sheet (SDS)	Cyclopentanone
Related compounds
Related ketones	cyclohexanone; 2-pentanone; 3-pentanone; cyclopentenone
Related compounds	cyclopropane
	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

Cyclopentanone is the organic compound with the formula (CH₂)₄CO. This cyclic ketone is a colorless volatile liquid.