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4786-20-3

Name Crotononitrile (pract)
CAS 4786-20-3
EINECS(EC#) 225-335-1
Molecular Formula C4H5N
MDL Number MFCD00001935
Molecular Weight 67.09
MOL File 4786-20-3.mol
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Chemical Properties

Appearance CLEAR LIGHT YELLOW LIQUID
Melting point  -51.5°C
Boiling point  120-121 °C(lit.)
density  0.824 g/mL at 25 °C(lit.)
refractive index  n20/D 1.419(lit.)
Fp  17 °C
storage temp.  Flammables area
BRN  1719747
CAS DataBase Reference 4786-20-3(CAS DataBase Reference)
EPA Substance Registry System 2-Butenenitrile (4786-20-3)

Safety Data

Hazard Codes  F,Xn
Risk Statements 
R11:Highly Flammable.
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
RIDADR  UN 2924 3/PG 2
WGK Germany  3
RTECS  GQ6322000
HazardClass  3.1
PackingGroup  II
HS Code  29269090

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