cis-2-butene
Names
[ CAS No. ]:
590-18-1
[ Name ]:
cis-2-butene
[Synonym ]:
High-boiling butene-2
cis-Butene
MFCD00009294
cis-1,2-Dimethylethylene
cis-2-Butene
(Z)-but-2-ene
EINECS 209-673-7
Chemical & Physical Properties
[ Density]:
0.636 g/cm3
[ Boiling Point ]:
3.7ºC at 760 mmHg
[ Melting Point ]:
-139ºC(lit.)
[ Molecular Formula ]:
C4H8
[ Molecular Weight ]:
56.10630
[ Flash Point ]:
-12ºC
[ Exact Mass ]:
56.06260
[ LogP ]:
1.58240
[ Vapour density ]:
2 (vs air)
[ Vapour Pressure ]:
1414 mm Hg ( 21 °C)
[ Index of Refraction ]:
1.384
[ Stability ]:
Stable, but prone to polymerization in the presence of suitable catalysts. Extremely flammable. Readily forms explosive mixtures with air. Can lead to flash fires. Incompatible with strong oxidizing agents, halogens, halogen acids, magnesium perchlorate.
MSDS
Safety Information
[ Hazard Codes ]:
F+
[ Risk Phrases ]:
R12
[ Safety Phrases ]:
S9-S16-S33
[ RIDADR ]:
UN 1012
[ WGK Germany ]:
3
[ Hazard Class ]:
2.1