N-Vinylpyrrolidone

N-Vinylpyrrolidone
Names
	Preferred IUPAC name 1-Ethenylpyrrolidin-2-one
	Other names 1-Vinylpyrrolidin-2-one; 1-Ethenyl-2-pyrrolidone; N-Ethenyl-2-pyrrolidone; N-Vinyl-2-pyrrolidone; 1-Vinyl-2-pyrrolidone; N-Vinylbutyrolactam
Identifiers
CAS Number	88-12-0 ;
3D model (JSmol)	Interactive image;
ChemSpider	6651 ;
ECHA InfoCard	100.001.637
PubChem CID	6917;
UNII	76H9G81541 ;
CompTox Dashboard (EPA)	DTXSID2021440 ;
	InChI InChI=1S/C6H9NO/c1-2-7-5-3-4-6(7)8/h2H,1,3-5H2 Key: WHNWPMSKXPGLAX-UHFFFAOYSA-N ; InChI=1/C6H9NO/c1-2-7-5-3-4-6(7)8/h2H,1,3-5H2 Key: WHNWPMSKXPGLAX-UHFFFAOYAI;
	SMILES O=C1N(C=C)CCC1;
Properties
Chemical formula	C6H9NO
Molar mass	111.144 g·mol−1
Density	1.04 g/cm3
Melting point	13–14 °C (55–57 °F; 286–287 K)
Boiling point	92–95 °C (198–203 °F; 365–368 K) 11 mmHg
Vapor pressure	0.1 mmHg (24 °C)
Refractive index (nD)	1.512
Hazards
Flash point	95 °C (203 °F; 368 K)
Autoignition; temperature	685 °C (1,265 °F; 958 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

N-Vinylpyrrolidone (NVP) is an organic compound consisting of a 5-membered lactam ring linked to a (2 carbon) vinyl group. It is a colorless liquid although commercial samples can appear yellowish.

It is produced industrially by vinylation of 2-pyrrolidone, i.e. the base-catalyzed reaction with acetylene. It is the precursor to polyvinylpyrrolidone (PVP), an important synthetic material. The NVP monomer is commonly used as a reactive diluent in ultraviolet and electron-beam curable polymers applied as inks, coatings or adhesives.

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