cis-2-butene

Modify Date: 2024-01-04 09:47:14

cis-2-butene Structure
cis-2-butene structure
Common Name cis-2-butene
CAS Number 590-18-1 Molecular Weight 56.10630
Density 0.636 g/cm3 Boiling Point 3.7ºC at 760 mmHg
Molecular Formula C4H8 Melting Point -139ºC(lit.)
MSDS N/A Flash Point -12ºC

 Names

Name cis-but-2-ene
Synonym More Synonyms

 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.

 Safety Information

Hazard Codes F+
Risk Phrases R12
Safety Phrases S9-S16-S33
RIDADR UN 1012
WGK Germany 3
Hazard Class 2.1

 Synonyms

High-boiling butene-2
cis-Butene
MFCD00009294
cis-1,2-Dimethylethylene
cis-2-Butene
(Z)-but-2-ene
EINECS 209-673-7