25167-67-3

Name butene
CAS 25167-67-3
EINECS(EC#) 246-689-3
Molecular Formula C4H8
Molecular Weight 56.11
MOL File 25167-67-3.mol
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Chemical Properties

Appearance A colorless liquefied petroleum gas. Soluble in most organic solvents; insoluble in water.
Melting point  -145 °C
Boiling point  -1.3 °C
density  0.598[at 20℃]
vapor pressure  837.25kPa at 25℃
Water Solubility  242.5mg/L at 25℃
Exposure limits PC-TWA: 100 mg/m3
LogP 2.35 at 20℃
Uses
Polymer and alkylate gasoline; polybutenes; butadiene; intermediate for C 4 and C 5 aldehy- des, alcohols, and other derivatives; production of maleic anhydride by catalytic oxidation.
EPA Substance Registry System Butene (25167-67-3)

Safety Data

TSCA  TSCA listed
REACH Registrations Active
Safety Profile
A simple asphyxlant. Very dangerous fire hazard when exposed to heat, flame, or oxidizers. To fight fire, stop flow of gas. Moderately explosive when exposed to flame. Mxtures with aluminum tetrahydroborate explode after an induction period. When heated to decomposition it emits acrid smoke and fumes.
Hazardous Substances Data 25167-67-3(Hazardous Substances Data)

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