logo

AVD Mass and Volume Calculator

Density, molecular weight and chemical formula of some gases:

Gas

Formula Molecular
weight
Density - ρ -
(kg/m3) (lbm/ft3)

Acetylene (ethyne)

C2H2 26 1.092 * / 1.170 ** 0.0682 * / 0.0729 **

Air

  29 1.205 * / 1.293 ** 0.0752 * / 0.0806 **

Ammonia

NH3 17.031 0.717 * / 0.769 ** 0.0448 * / 0.0480 **

Argon

Ar 39.948 1.661 * / 1.7837 ** 0.1037 * / 0.111353 **

Benzene

C6H6 78.11 3.486 0.20643

Blast furnace gas

    1.250 ** 0.0780 **

Butane

C4H10 58.1 2.489 * / 2.5 ** 0.1554 * / 0.156 **

Butylene (Butene)

C4H8 56.11 2.504 0.148 **

Carbon dioxide

CO2 44.01 1.842 * / 1.977 ** 0.1150 * / 0.1234 **

Carbon monoxide

CO 28.01 1.165 * / 1.250 ** 0.0727 * / 0.0780 **

Carbureted Water Gas

      0.048

Chlorine

Cl2 70.906 2.994 * 0.1869 *

Coke Oven Gas

      0.034 **

Combustion products

    1.11 ** 0.069 **

Digester Gas (Sewage or Biogas)

      0.062

Ethane

C2H6 30.07 1.264 * 0.0789 *

Ethylene

C2H4 28.03 1.260 ** 0.0786 **

Helium

He 4.02 0.1664 * / 0.1785 ** 0.01039 * / 0.011143 **

Hydrogen

H2 2.016 0.0899 ** 0.0056 **

Hydrogen Chloride

HCl 36.5 1.528 * 0.0954 *

Hydrogen Sulfide

H2S 34.076 1.434 * 0.0895 *

Methane

CH4 16.043 0.668 * / 0.717 ** 0.0417 * / 0.0447 **

Natural gas

  19.5 0.7 - 0.9 ** 0.044 - 0.056 **

Neon

Ne 20.179 0.8999 ** 0.056179 **

Nitric oxide

NO 30.0 1.249 * 0.0780 *

Nitrogen

N2 28.02 1.165 * / 1.2506 ** 0.0727 * / 0.078072 **

Nitrogen Dioxide

NO2 46.006    

N-Octane

  114.22    

Nitrous Oxide

N2O 44.013   0.114

Nitrous Trioxide

NO3 62.005    

Oxygen

O2 32 1.331 * / 1.4290 ** 0.0831 * / 0.089210 **

Ozone

O3 48.0   0.125

N-Pentane

  72.15    

Iso-Pentane

  72.15    

Propane

C3H8 44.09 1.882 * 0.1175 *

Propene (propylene)

C3H6 42.1 1.748 * 0.1091 *

R-11

  137.37    

R-12

  120.92    

R-22

  86.48    

R-114

  170.93    

R-123

  152.93    

R-134a

  102.03    

Sasol

      0.032

Sulfur

S 32.06   0.135

Sulfur Dioxide

SO2 64.06 2.279 * / 2.926 ** 0.1703 * / 0.1828 **

Sulfur Trioxide

SO3 80.062    

Sulfuric Oxide

SO 48.063    

Toluene

C7H8 92.141 4.111 0.2435

Water Vapor

H2O 18.016 0.804 0.048

Water gas (bituminous)

      0.054

* NTP - Normal Temperature and Pressure - is defined as air at 20oC, room temperature (293.15 K, 68oF) and 1 atm ( 101.325 kN/m2, 101.325 kPa, 14.7 psia, 0 psig, 30 in Hg, 760 torr)

** STP - Standard Temperature and Pressure - is defined as air at 0oC (273.15 K, 32oF) and 1 atm (101.325 kN/m2, 101.325 kPa, 14.7 psia, 0 psig, 30 in Hg, 760 torr)

  • 1 lbm/ft3 = 16.018 kg/m3
  • 1 kg/m3 = 0.0624 lbm/ft3

More Information ...

 

Copyright AVLANDesign.com. All rights reserved. Terms of use.  Privacy statement.