Caprolactone

Caprolactone
Names
	Preferred IUPAC name Oxepan-2-one
	Other names Caprolactone; ε-Caprolactone; Hexano-6-lactone; 6-Hexanolactone; Hexan-6-olide; 1-Oxa-2-oxocycloheptane
Identifiers
CAS Number	502-44-3 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:17915 ;
ChEMBL	ChEMBL373123 ;
ChemSpider	9972 ;
ECHA InfoCard	100.007.217
KEGG	C01880 ;
PubChem CID	10401;
UNII	56RE988L1R ;
CompTox Dashboard (EPA)	DTXSID4027159 ;
	InChI InChI=1S/C6H10O2/c7-6-4-2-1-3-5-8-6/h1-5H2 Key: PAPBSGBWRJIAAV-UHFFFAOYSA-N ; InChI=1/C6H10O2/c7-6-4-2-1-3-5-8-6/h1-5H2 Key: PAPBSGBWRJIAAV-UHFFFAOYAG;
	SMILES C1CCC(=O)OCC1;
Properties
Chemical formula	C6H10O2
Molar mass	114.14 g/mol
Density	1.030 g/cm3
Melting point	−1 °C (30 °F; 272 K)
Boiling point	241 °C (466 °F; 514 K)
Solubility in water	Miscible
	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

ε-Caprolactone or simply caprolactone is a lactone (a cyclic ester) possessing a seven-membered ring. Its name is derived from caproic acid. This colorless liquid is miscible with most organic solvents and water. It was once produced on a large scale as a precursor to caprolactam.

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