2-Piperidinone

2-Piperidinone
IUPAC name 2-Piperidinone
Other names δ-Valerolactam; Piperidin-2-one; 2-Piperidone
Identifiers
CAS number	675-20-7 Y
PubChem	12665
ChemSpider	12144
Jmol-3D images	Image 1
SMILES O=C1NCCCC1
InChI InChI=1S/C5H9NO/c7-5-3-1-2-4-6-5/h1-4H2,(H,6,7) Key: XUWHAWMETYGRKB-UHFFFAOYSA-N InChI=1/C5H9NO/c7-5-3-1-2-4-6-5/h1-4H2,(H,6,7) Key: XUWHAWMETYGRKB-UHFFFAOYAE
Properties
Molecular formula	C5H9NO
Molar mass	99.13 g mol−1
Density	1.073 g/cm3[1]
Melting point	38 to 40 °C; 100 to 104 °F; 311 to 313 K ([2])
Boiling point	256 °C; 493 °F; 529 K ([2])
Solubility in water	291 g/L[1]
Hazards
MSDS	MSDS
Flash point	>110 °C (230 °F)[1]
Related compounds
Related compounds	4-Piperidinone
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

2-Piperidinone (2-piperidone or δ-valerolactam) is a chemical compound classified as a lactam. It is used as an intermediate in the preparation of other chemicals.

References