Glycolonitrile

Glycolonitrile
Names
	Preferred IUPAC name Hydroxyacetonitrile
	Other names Cyanomethanol; Formaldehyde cyanohydrin; Glycolic nitrile; Hydroxyacetonitrile; Hydroxyethylnitrile;
Identifiers
CAS Number	107-16-4 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	605328
ChEBI	CHEBI:137685;
ChemSpider	7569 ;
ECHA InfoCard	100.003.155
EC Number	203-469-1;
MeSH	glycolonitrile
PubChem CID	7857;
UNII	ZCI474BE63 ;
CompTox Dashboard (EPA)	DTXSID3025417 ;
	InChI InChI=1S/C2H3NO/c3-1-2-4/h4H,2H2 Key: LTYRAPJYLUPLCI-UHFFFAOYSA-N ;
	SMILES OCC#N;
Properties
Chemical formula	C2H3NO
Molar mass	57.052 g·mol−1
Appearance	Colourless, oily liquid
Odor	odorless
Density	1.10 g/mL (18.89°C)
Melting point	< −72 °C; −98 °F; 201 K
Boiling point	99.6 °C; 211.2 °F; 372.7 K at 2.3 kPa
Solubility in water	soluble
Vapor pressure	1 mmHg (62.78°C)
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	forms cyanide in the body
	NIOSH (US health exposure limits):
PEL (Permissible)	none
REL (Recommended)	C 2 ppm (5 mg/m3) [15-minute]
IDLH (Immediate danger)	N.D.
Related compounds
Related alkanenitriles	Hydrogen cyanide; Thiocyanic acid; Cyanogen iodide; Cyanogen bromide; Cyanogen chloride; Cyanogen fluoride; Acetonitrile; Aminoacetonitrile; Cyanogen; Propanenitrile; Aminopropionitrile; Malononitrile; Pivalonitrile; Acetone cyanohydrin;
Related compounds	DBNPA
	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

Glycolonitrile, also called hydroxyacetonitrile or formaldehyde cyanohydrin, is the organic compound with the formula HOCH₂CN. It is the simplest cyanohydrin and it is derived from formaldehyde. It is a colourless liquid that dissolves in water and ether. Because glycolonitrile decomposes readily into formaldehyde and hydrogen cyanide, it is listed as an extremely hazardous substance. In January 2019, astronomers reported the detection of glycolonitrile, another possible building block of life among other such molecules, in outer space.

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