2-Piperidinone

2-Piperidinone
Names

IUPAC name 2-Piperidinone
Other names δ-Valerolactam; Piperidin-2-one; 2-Piperidone
Identifiers
CAS Number	675-20-7^Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:77761^Y
ChemSpider	12144
ECHA InfoCard	100.010.567
PubChem CID	12665
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
SMILES O=C1NCCCC1
Properties
Chemical 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
Safety data sheet	MSDS
Flash point	>110 °C (230 °F)^[1]
Related compounds
Related compounds	4-Piperidinone
Except where otherwise noted, 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

1 2 3 2-Piperidone at Chemical Book
1 2 δ-Valerolactam at Sigma-Aldrich

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