Melting point :-72 °C (lit.)
Boiling point :107-108 °C (lit.)
Density :0.770 g/mL at 20 °C (lit.)
vapor density :2.38 (vs air)
vapor pressure :100 mm Hg ( 54.4 °C)
refractive index :n20/D 1.372(lit.)
Flash point :39 °F
storage temp. :Flammables area
solubility :slightly soluble in water and acetone, very soluble in alcohol and ether
form :Liquid
color :Clear colorless to light yellow
Water Solubility :35 g/L (20 ºC)
Merck :14,5156
BRN :1340512
Dielectric constant :23.9（Ambient）
Stability :Stable. Flammable. May form explosive mixtures with air. Incompatible with strong oxidizing agents.
CAS DataBase Reference :78-82-0(CAS DataBase Reference)
NIST Chemistry Reference :Propanenitrile, 2-methyl-(78-82-0)
EPA Substance Registry System :Isobutyronitrile (78-82-0)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.