Gas fuel properties table

density, heat value

Gas fuel name	Symbol	ρ [kg/m³]	MJ/kg	MJ/m³
Hydrogen	H₂	0.08985	120.0	10.8
Methane	CH₄	0.717	50.0	35.9
Ethane	C₂H₆	1.357	47.5	64.1
Ethylene	C₂H₄	1.261	47.2	59.5
Natural gas	NG	0.7	46.1	33.5
Propene	C₃H₆	1.914	45.8	87.5
Propane	C₃H₈	2.02	46.4	93.2
Butane	C₄H₁₀	2.48	45.8	123.0
Isobutane	C₄H₁₀	2.703	45.6	122.0
Butylene-1	C₄H₈	2.603	45.3	117.0
LPG	LPG	2.28	46.0	108.0
Acetylene	C₂H₂	1.097	48.2	56.5
Carbon Monoxide	CO	1.25	10.1	12.6