Pentanenitrile

Pentanenitrile
Names
	Preferred IUPAC name Pentanenitrile
	Other names Valeronitrile; n-valeronitrile; 1-Cyanobutane;
Identifiers
CAS Number	110-59-8 ;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL1503158;
ChemSpider	7770 ;
ECHA InfoCard	100.003.439
EC Number	203-781-8;
PubChem CID	8061;
UNII	X44H3R47D4;
UN number	3273
CompTox Dashboard (EPA)	DTXSID3026275 ;
	InChI InChI=1S/C5H9N/c1-2-3-4-5-6/h2-4H2,1H3 Key: RFFFKMOABOFIDF-UHFFFAOYSA-N ;
	SMILES CCCCC#N;
Properties
Chemical formula	C5H9N
Molar mass	83.134 g·mol−1
Appearance	Colorless liquid
Density	0.8008
Melting point	−96.2 °C (−141.2 °F; 177.0 K)
Boiling point	141 °C; 286 °F; 414 K
Critical point (T, P)	610.3 K at 35.80 bar
Solubility in water	insoluble
Solubility	soluble in benzene, acetone, ether
Vapor pressure	5 mmHg
Refractive index (nD)	1.3949
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H226, H301, H302
Precautionary statements	P210, P233, P240, P241, P242, P243, P264, P270, P280, P301+P310, P301+P312, P303+P361+P353, P321, P330, P370+P378, P403+P235, P405, P501
NFPA 704 (fire diamond)	3 3 0
Flash point	40 °C (104 °F; 313 K)
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	191 mg/kg fat
Related compounds
Related alkanenitriles	Isobutyronitrile; Propanenitrile; Malononitrile; Pivalonitrile; Succinonitrile; Glutaronitrile; Butyronitrile;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Pentanenitrile, valeronitrile or butyl cyanide is a nitrile with the formula C₄H₉CN. This can be written BuCN, with Bu representing an n-butyl (linear butyl group).