Lactonitrile

Lactonitrile
Names
	IUPAC name 2-Hydroxypropanenitrile
	Other names Acetaldehyde cyanohydrin
Identifiers
CAS Number	78-97-7 ;
3D model (JSmol)	Interactive image;
ChemSpider	21106532;
ECHA InfoCard	100.001.058
PubChem CID	6572;
UNII	SJ38QDA188 ;
CompTox Dashboard (EPA)	DTXSID6025432 ;
	InChI InChI=1S/C3H5NO/c1-3(5)2-4/h3,5H,1H3 Key: WOFDVDFSGLBFAC-UHFFFAOYSA-N; InChI=1/C3H5NO/c1-3(5)2-4/h3,5H,1H3 Key: WOFDVDFSGLBFAC-UHFFFAOYAF;
	SMILES N#CC(C)O;
Properties
Chemical formula	C3H5NO
Molar mass	71.079 g·mol−1
Appearance	Yellow
Melting point	−40 °C (−40 °F; 233 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Lactonitrile is the organic compound with the formula CH₃CH(OH)CN. It is an intermediate in the industrial production of ethyl lactate and lactic acid. It is the cyanohydrin of acetaldehyde. It is a colorless liquid, although degraded samples can appear yellow.