delta-Valerolactone

*delta*-Valerolactone^[1]
Names
	IUPAC name tetrahydro-2H-pyran-2-one
	Other names Penta-1,5-lactone
Identifiers
CAS Number	542-28-9 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:16545 ;
ChEMBL	ChEMBL452383 ;
ChemSpider	10488 ;
ECHA InfoCard	100.008.007
KEGG	C02240 ;
PubChem CID	10953;
UNII	14V1X9149L ;
CompTox Dashboard (EPA)	DTXSID6044438 ;
	InChI InChI=1S/C5H8O2/c6-5-3-1-2-4-7-5/h1-4H2 Key: OZJPLYNZGCXSJM-UHFFFAOYSA-N ; InChI=1/C5H8O2/c6-5-3-1-2-4-7-5/h1-4H2 Key: OZJPLYNZGCXSJM-UHFFFAOYAZ;
	SMILES O=C1OCCCC1;
Properties
Chemical formula	C5H8O2
Molar mass	100.117 g·mol−1
Density	1.079 g/mL
Melting point	−13 °C (9 °F; 260 K)
Boiling point	230 to 260 °C (446 to 500 °F; 503 to 533 K)
Hazards
Flash point	112 °C (234 °F; 385 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

δ-Valerolactone is a lactone used as a chemical intermediate in processes such as the production of polyesters.^[3]

References

^ delta-Valerolactone from BASF
^ delta-Valerolactone, Chemlink
^ Yang J, Jia L, Hao Q, et al. (2005). "New biodegradable amphiphilic block copolymers of epsilon-caprolactone and delta-valerolactone catalyzed by novel aluminum metal complexes. II. Micellization and solution to gel transition". Macromolecular Bioscience. 5 (9): 896–903. doi:10.1002/mabi.200500096. PMID 16134088.