Typical Natural Gas Characteristics

Characteristics of Typical Natural Gases at 60 F and 30 In. Hg, Dry

CO₂ 5.50 3.51 26.2 0.17 0.20 - -

N₂ - 32.00 0.7 87.69 0.60 0.60 0.50

H₂S 7.00 0.50 - - - - -

CH₄ 77.73 52.54 59.2 10.50 99.20 - -

C₂H₆ 5.56 3.77 13.9 1.64 - 79.40 21.80

C₃H₈ 2.40 2.22 - - - 20.00 77.70

C₄H₁₀ 1.18 2.02 - - - - -

C₅H₁₂ 0.63 3.44 - - - - -

Density Lb/ft³
0.0562
0.0661
0.0675
0.0712
0.0449
0.0881
0.1108

Btu/ft³ 1061 874 849 136 1006 1935 2389

Btu/Lb 18880 13220 12580 1907 22410 21960 21560

A at Zero Ex. Air, Lb/10⁶ Btu

738

729

732

732

732

735

738

CO₂	5.50	3.51	26.2	0.17	0.20	-	-
N₂	-	32.00	0.7	87.69	0.60	0.60	0.50
H₂S	7.00	0.50	-	-	-	-	-
CH₄	77.73	52.54	59.2	10.50	99.20	-	-
C₂H₆	5.56	3.77	13.9	1.64	-	79.40	21.80
C₃H₈	2.40	2.22	-	-	-	20.00	77.70
C₄H₁₀	1.18	2.02	-	-	-	-	-
C₅H₁₂	0.63	3.44	-	-	-	-	-
Density Lb/ft³	0.0562	0.0661	0.0675	0.0712	0.0449	0.0881	0.1108
Btu/ft³	1061	874	849	136	1006	1935	2389
Btu/Lb	18880	13220	12580	1907	22410	21960	21560
A at Zero Ex. Air, Lb/10⁶ Btu	738	729	732	732	732	735	738