Propane facts for kids

Quick facts for kids Propane
Preferred IUPAC name Propane
Systematic name Tricarbane (never recommended)
Identifiers
CAS number	74-98-6
PubChem	6334
EC number	200-827-9
KEGG	D05625
ChEBI	CHEBI:32879
RTECS number	TX2275000
SMILES	CCC
Beilstein Reference	1730718
Gmelin Reference	25044
Properties
Molecular formula
Molar mass	0 g mol-1
Appearance	Colorless gas
Odor	Odorless
Density	2.0098 kg/m3 (at 0 °C, 101.3 kPa)
Melting point
Boiling point
Solubility in water	47 mg⋅L−1 (at 0 °C)
log P	2.236
Vapor pressure	853.16 kPa (at 21.1 °C (70.0 °F))
kH	15 nmol⋅Pa−1⋅kg−1
Conjugate acid	Propanium
Magnetic susceptibility (χ)	−40.5 × 10−6 cm3/mol
Dipole moment	0.083 D
Thermochemistry
Std enthalpy of formation ΔfHo298	−105.2–104.2 kJ⋅mol−1
Std enthalpy of combustion ΔcHo298	−2.2197–2.2187 MJ⋅mol−1
Specific heat capacity, C	73.60 J⋅K−1⋅mol−1
Hazards
NFPA 704	4 2 0
Explosive limits	2.37–9.5%
U.S. Permissible exposure limit (PEL)	TWA 1000 ppm (1800 mg/m3)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

Propane is an organic compound with the chemical formula C₃H₈. It is an alkane with three carbon atoms. It is used in fuels.

It begins to burn very quickly. Its melting temperature is −187.7 °C; its boiling temperature is −42 °C; its density is 1.83 g/l.

Propane is extracted from natural gasoline or from petroleum.

Images for kids

• 

  A 20 lb (9.1 kg) steel propane cylinder. This cylinder is fitted with an overfill prevention device (OPD) valve, as evidenced by the trilobular handwheel.

• 

  Temperature-Density curve for liquid/vapor propane

• 

  Domestic spherical steel pressure vessel for propane storage.

See also

In Spanish: Propano para niños