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Butane
Butane simple.svg
Butan Lewis.svg
Butane-3D-balls.png
Butane-3D-space-filling.png
Other names Butyl hydride
Quartane
Identifiers
CAS number 106-97-8
PubChem 7843
EC number 203-448-7
KEGG D03186
MeSH butane
ChEBI CHEBI:37808
RTECS number EJ4200000
SMILES CCCC
Beilstein Reference 969129
Gmelin Reference 1148
Properties
Molecular formula C4H10
Molar mass 58.12 g mol-1
Appearance Colorless gas
Odor Gasoline-like or natural gas-like
Density 2.48 kg/m3 (at 15 °C (59 °F))
Melting point

Expression error: Unrecognized word "to". °C, 133 to 139 K, Expression error: Unrecognized word "to". °F

Boiling point

Expression error: Unrecognized word "to". °C, 272 to 274 K, Expression error: Unrecognized word "to". °F

Solubility in water 61 mg L−1 (at 20 °C (68 °F))
log P 2.745
Vapor pressure ~170 kPa at 283 K
kH 11 nmol Pa−1 kg−1
-57.4·10−6 cm3/mol
Thermochemistry
Std enthalpy of
formation ΔfHo298
−126.3–−124.9 kJ mol−1
Std enthalpy of
combustion ΔcHo298
−2.8781–−2.8769 MJ mol−1
Specific heat capacity, C 98.49 J K−1 mol−1
Hazards
NFPA 704

NFPA 704.svg

4
1
0
 
Explosive limits 1.8–8.4%
U.S. Permissible
exposure limit (PEL)
none
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Aerosol
Aerosol spray cans often contain Butane

Butane is an organic compound with the chemical formula C4H10. It is an alkane with four carbon atoms. It is used as a fuel (sometimes with propane) and in aerosol cans.

Uses of Butane

Butane is sold in canisters, for cooking and camping. It is also used as fuel in cigarette lighters, and as propellant in aerosol sprays or deodorants. Some kinds of Butane are used in refrigerators.

Mixtures with Propane are known as LPG.

Dangers

Butane can be hazardous. Inhalation can lead to death by asphyxiation due to displacement of oxygen in the lungs. Contact with the skin can lead to frostbite. If the gas is mixed with air and ignighted it is prone to explode like many other fuels that are volatile


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