2-Piperidinone

2-Piperidinone
Names
	IUPAC name 2-Piperidinone
	Other names δ-Valerolactam; Piperidin-2-one; 2-Piperidone
Identifiers
CAS Number	675-20-7 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:77761 ;
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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[chemicalbook-1] 1 2 3 2-Piperidone at Chemical Book

[Aldrich-2] 1 2 δ-Valerolactam at Sigma-Aldrich