Gas table

Gas name Trade name Formula Molecular weight Gas group
Air
GAS GROUP 1 4
GAS GROUP 2 120
GAS GROUP 3 80
GAS GROUP 4 50
GAS GROUP 5 40
Helium He 4 1
Hydrogen H2 2 1
Ammonia NH3 17 2
Butane C4H10 58 2
Krypton Kr 84 2
Methane CH4 16 2
Neon Ne 20 2
Sulfur dioxide SO2 64 2
Sulfur hexa fluoride SF6 146 2
Trichloromethane CHCI3 119 2
1,1,2-Trichlorotrifluoroethane R113 C2Cl3F3 187 2
1,2-Dichlorotetrafluoroethane R114 C2Cl2F4 171 2
Dichlorodifluromethane R12 CCl2F2 121 2
Bromotrifluoromethane R1301 CBrF3 149 2
Chlorodifluromethane R22 CHF2Cl 86 2
refrigerant R 502 R502 CHClF2, CClF2HCF3 112 2
Xenon Xe 131 2
Acetone C3H6O 46 3
Argon Ar 40 3
refrigerant R 404a R404a R125:143a:134a = 44:52:4 98 3
refrigerant R 407c R407c R134a: R125: R32 = 40:40:20 86 3
refrigerant R 507 R507 CF3CH3:CF3CHF2 = 50:50 104 3
refrigerant R 245FA R245FA CF3CH2CHF2 134 3
Boron trifluoride BF3 68 3
Carbon dioxide CO2 44 3
Deuterium oxide D2O 20 3
Diethyl ether C4H10O 74 3
Ethanol C2H5OH 46 3
Hexane C6H14 86 3
Hydrogen chloride HCL 36 3
Hydrogen sulphide H2S 34 3
Methanol CH4O 32 3
Nitrous oxide N2O 44 3
Pentane C5H12 72 3
Perfluorocyclobutane C318 C4F8 200 3
Tetra fluoromethane R14 CF4 88 3
Trichlorofluromethane R11 CFCl3 137 3
Water H2O 18 3
Acetylene C2H2 26 4
Ethane C2H6 32 4
Ethylene Oxide C2H4O 54 4
Ethylene C2H4 28 4
Isobutane R600a C4H10 58 4
Propane C3H8 44 4
Tetrafluoroethane R134a C2H2F4 102 4
Carbon monoxide CO 28 5
Nitric oxide NO 30 5
Nitrogen N2 28 5
Oxygen O2 32 5

For indication only.
If in doubt, please contact us quoting chemical name, and CAS number.