Δ-Valerolactone

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

δ-Valerolactone^[1]

Names
Preferred IUPAC name Oxan-2-one
Other names Penta-1,5-lactone
Identifiers
CAS Number	542-28-9 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:16545 Y
ChEMBL	ChEMBL452383 Y
ChemSpider	10488 Y
ECHA InfoCard	100.008.007
KEGG	C02240 Y
PubChem CID	10953
UNII	14V1X9149L Y
CompTox Dashboard (EPA)	DTXSID6044438
InChI InChI=1S/C5H8O2/c6-5-3-1-2-4-7-5/h1-4H2 Y Key: OZJPLYNZGCXSJM-UHFFFAOYSA-N Y InChI=1/C5H8O2/c6-5-3-1-2-4-7-5/h1-4H2 Key: OZJPLYNZGCXSJM-UHFFFAOYAZ
SMILES O=C1OCCCC1
Properties[2]
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). Y verify (what is YN ?) Infobox references

Natural occurrence

δ-Valerolactone can be found in Aspalathus linearis and Clerodendrum mandarinorum.^[4]

See also

• γ-Valerolactone