| Propane |
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Physical Properties
Color - Colorless
Odor - Odorless
Molecular Weight - \(44.097g/mol\)
Melting Point - \(-306.4 F^\circ(-188C^\circ)\)
Boiling Point - \(-44 F^\circ(-42.2C^\circ)\)
Flash Point - \(-155.2 F^\circ(-104C^\circ)\)
Autoignition Temp. - \(878 F^\circ(470C^\circ)\) to \(1020 F^\circ(550C^\circ)\)
LFL - \(2.1\)%
UFL - \(9.5\)%
PEL - \(1000\;ppm\)
Density - \(0.02115lbm/in^3@-49F^\circ (0.5853g/cc@-45C^\circ)\)
Vapor Pressure - \(75.0torr@-119F^\circ (0.1000bar\)@\(-83.8C^\circ)\)
Heat of Fusion - \(34.14BTU/lb (79.35J/g)\)
Heat of Vaporization - \(34.14BTU/lb (431.6J/g)\)
Thermal Conductivity - \(0.125BTUin/hrft^3F^\circ (0.0180W/mK)\)
Chemical Properties
Chemical Formula - \(C_3H_8\)
State of Matter - Gas
Flammability - Highly
Critical Pressure - \(31863torr (42.481bar)\)
Critical Temperature - \(206 F^\circ (96.67C^\circ)\)
Critical Density - \(0.00798 lb/in^3 (0.221g/cc)\)
Critical Molar Volume - \(12.2in^3/mol (200cm^3/mol)\)
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Propane is an alkane hydrocarbon with the chemical formula \(C_3H_8\), consisting of three carbon atoms bonded in a straight chain, with the remaining valencies satisfied by eight hydrogen atoms. It is a colorless, odorless, and highly flammable gas that is most commonly known as a primary component of liquefied petroleum gas (LPG), alongside butane. Propane is easily liquefied under pressure, making it convenient to store and transport in tanks. This property makes it a versatile fuel source, widely used for heating homes and water, powering outdoor grills, camping stoves, and vehicles, and as a refrigerant. In industrial settings, propane can also serve as a petrochemical feedstock for producing other chemicals. Due to its flammability, safety precautions are essential when handling and storing propane.
