Measurement principles for Greenhouse Gases (GHG) Data:

Note: There are different templates for gas chromatographs (e.g. Medusa) and Cavity ring-down spectroscopes (e.g. Picarro).

Valid GHG paramters:

If you have difficulties finding parameters, please contact

Group Component name Alternaitve Names CF Name Matrix Unit Groups
GHG-CFCs CFC-11 CAS Number: 75-69-4
IUPAC Name: Trichloro(fluoro)methane
Molecular Formula: CCl3F
Other Names:
mass_fraction_of_cfc11_in_air air pmol/mol GHG-CFCs
CFC-113 CAS Number: 76-13-1
IUPAC Name: 1,1,2-Trichloro-1,2,2-trifluoroethane
Molecular Formula: C2Cl3F3
Condensed Formula: Cl2FC-CClF2
mass_fraction_of_cfc113_in_air air pmol/mol GHG-CFCs
CFC-115 CAS Number: 76-15-3
IUPAC Name: 1-chloro-1,1,2,2,2-pentafluoroethane
Molecular Formula: C2ClF5
Condensed Formula: ClF2C-CF3
mass_fraction_of_cfc115_in_air air pmol/mol GHG-CFCs
CFC-12 CAS Number: 75-71-8
IUPAC Name: Dichloro(difluoro)methane
Molecular Formula: CCl2F2
mass_fraction_of_cfc12_in_air air pmol/mol GHG-CFCs
GHG-HCFCs HCFC-141b CAS Number: 1717-00-6
IUPAC Name: 1,1-Dichloro-1-fluoroethane
Molecular Formula: C2H3Cl2F
Condensed Formula: CH3CCl2F
mass_fraction_of_hcfc141b_in_air air pmol/mol GHG-HCFCs
HCFC-142b CAS Number: 75-68-3
IUPAC Name: 1-Chloro-1,1-difluoroethane
Molecular Formula: C2H3ClF2
Condensed Formula: CH3CClF2
mass_fraction_of_hcfc142b_in_air air pmol/mol GHG-HCFCs
HCFC-22 CAS Number: 75-45-6
IUPAC Name: Chloro(difluoro)methane
Molecular Formula: CHClF2
mass_fraction_of_hcfc22_in_air air pmol/mol GHG-HCFCs
GHG-HFCs HFC-125 CAS Number: 354-33-6
IUPAC Name: 1,1,1,2,2-Pentafluoroethane
Molecular Formula: C2HF5
Condensed Formula: CF3CHF2
mass_fraction_of_hydrofluorocarbon_125_in_air air pmol/mol GHG-HFCs
HFC-134a CAS Number: 1,1,1,2-Tetrafluoroethane
IUPAC Name: 811-97-2
Molecular Formula: C2H2F4
Condensed Formula: CH2FCF3
mass_fraction_of_hydrofluorocarbon_134a_in_air air pmol/mol GHG-HFCs
HFC-143a CAS Number: 420-46-2
IUPAC Name: 1,1,1-Trifluoroethane
Molecular Formula: C2H3F3
Condensed Formula: CH3CF3
mass_fraction_of_hydrofluorocarbon_143a_in_air air pmol/mol GHG-HFCs
HFC-152a CAS Number: 75-37-6
IUPAC Name: 1,1-Difluoroethane
Molecular Formula: C2H4F2
Condensed Formula: CH3CHF2
mass_fraction_of_hydrofluorocarbon_152a_in_air air pmol/mol GHG-HFCs
HFC-227ea mass_fraction_of_hydrofluorocarbon_227ea_in_air air pmol/mol GHG-HFCs
HFC-23 CAS Number: 75-46-7
IUPAC Name: Trifluoromethane
Molecular Formula: CHF3
mass_fraction_of_hydrofluorocarbon_23_in_air air pmol/mol GHG-HFCs
HFC-236fa CAS Number: 690-39-1
IUPAC Name: 1,1,1,3,3,3-hexafluoropropane
Molecular Formula: C3H2F6
mass_fraction_of_hydrofluorocarbon_236fa_in_air air pmol/mol GHG-HFCs
HFC-245fa CAS Number: 460-73-1
IUPAC Name: 1,1,1,3,3-pentafluoropropane
Molecular Formula: C3H3F5
mass_fraction_of_hydrofluorocarbon_245fa_in_air air pmol/mol GHG-HFCs
HFC-32 CAS Number: 75-10-5
IUPAC Name: Difluoromethane
Molecular Formula: CH2F2
mass_fraction_of_hydrofluorocarbon_32_in_air air pmol/mol GHG-HFCs
HFC-365mfc CAS Number: 406-58-6
IUPAC Name: 1,1,1,3,3-Pentafluorobutane
Molecular Formula: C4H5F5
Condensed Formula: CF3CH2CF2CH3
mass_fraction_of_hydrofluorocarbon_365mfc_in_air air pmol/mol GHG-HFCs
HFC-4310mee CAS Number: 138495-42-8
IUPAC Name: 1,1,1,2,2,3,4,5,5,5-decafluoropentane
Molecular Formula: C5H2F10
Condensed Formula: CF3CF2CFHCFHCF3
Condensed Formula: CF3CFHCFHCF2CF3
Other Names: 1,1,1,2,3,4,4,5,5,5-decafluoropentane
mass_fraction_of_hydrofluorocarbon_4310mee_in_air air pmol/mol GHG-HFCs
GHG-Halons H-1211 CAS Number: 353-59-3
IUPAC Name: Bromo(chloro)difluoromethane
Molecular Formula: CBrClF2
mass_fraction_of_halon1211_in_air air pmol/mol GHG-Halons
H-1301 CAS Number: 75-63-8
IUPAC Name: Bromo(trifluoro)methane
Molecular Formula: CBrF3
mass_fraction_of_halon1301_in_air air pmol/mol GHG-Halons
H-2402 CAS Number: 124-73-2
IUPAC Name: Dibromotetrafluoroethane
Molecular Formula: C2Br2F4
Other Names: 1,2-Dibromotetrafluoroethane
mass_fraction_of_halon_2402_in_air air pmol/mol GHG-Halons
GHG-Other_Halogenated carbon_tetrachloride CAS Number: 56-23-5
IUPAC Name: Carbon tetrachloride
Historic EBAS Name: CCl4
Molecular Formula: CCl4
Other Names:
mass_fraction_of_carbon_tetrachloride_in_air air pmol/mol GHG-Other_Halogenated
chloromethane CAS Number: 74-87-3
IUPAC Name: Chloromethane
Historic EBAS Name: methyl_chloride
Molecular Formula: CH3Cl
mass_fraction_of_chloromethane_in_air air pmol/mol GHG-Other_Halogenated
dibromomethane CAS Number: 74-95-3
IUPAC Name: Dibromomethane
Molecular Formula: CH2Br2
Other Names:
   methyl dibromide
   methylene bromide
   methylene dibromide
mass_fraction_of_dibromomethane_in_air air pmol/mol GHG-Other_Halogenated
dichloromethane CAS Number: 75-09-2
IUPAC Name: Dichloromethane
Historic EBAS Name: CH2Cl2
Molecular Formula: CH2Cl2
Other Names: methylene chloride
mass_fraction_of_dichloromethane_in_air air pmol/mol GHG-Other_Halogenated
tetrachloroethene CAS Number: 127-18-4
IUPAC Name: Tetrachloroethene
Historic EBAS Name: PCE
Molecular Formula: C2Cl4
Condensed Formula: CCl2CCl2
Historic EBAS Name: tetrachloroethylene
Condensed Formula: Cl2C=CCl2
Other Names:
mass_fraction_of_tetrachloroethene_in_air air pmol/mol GHG-Other_Halogenated
trichloroethane IUPAC Name: 1,1,1-trichloroethane
Historic EBAS Name: CH3CCl3
Molecular Formula: C2H3Cl3
Condensed Formula: CH3CCl3
Other Names:
mass_fraction_of_trichloroethane_in_air air pmol/mol GHG-Other_Halogenated
trichloroethene CAS Number: 79-01-6
IUPAC Name: Trichloroethene
Historic EBAS Name: TCE
Molecular Formula: C2HCl3
Condensed Formula: CHClCCl2
Historic EBAS Name: trichloroethylene
mass_fraction_of_trichloroethene_in_air air pmol/mol GHG-Other_Halogenated
trichloromethane CAS Number: 67-66-3
IUPAC Name: Trichloromethane
Historic EBAS Name: CHCl3
Molecular Formula: CHCl3
Other Names:
   methane trichloride
mass_fraction_of_trichloromethane_in_air air pmol/mol GHG-Other_Halogenated
GHG-Other_fluorinated nitrogen_trifluoride CAS Number: 7783-54-2
IUPAC Name: Nitrogen trifluoride
Historic EBAS Name: NF3
Molecular Formula: NF3
mass_fraction_of_nitrogen_trifluoride_in_air air pmol/mol GHG-Other_fluorinated
sulfur_hexafluoride CAS Number: 2551-62-4
IUPAC Name: Sulfur hexafluoride
Historic EBAS Name: SF6
Molecular Formula: SF6
mass_fraction_of_sulfur_hexafluoride_in_air air pmol/mol GHG-Other_fluorinated
sulfuryl_fluoride CAS Number: 2699-79-8
IUPAC Name: Sulfuryl fluoride
Historic EBAS Name: SO2F2
Molecular Formula: SO2F2
mass_fraction_of_sulphate_corrected_in_air air pmol/mol GHG-Other_fluorinated
GHG-PFCs PFC-116 CAS Number: 76-16-4
IUPAC Name: Hexafluoroethane
Molecular Formula: C2F6
Other Names: Perfluoroethane
mass_fraction_of_pfc_116_in_air air pmol/mol GHG-PFCs
PFC-14 CAS Number: 75-73-0
IUPAC Name: Tetrafluoromethane
Molecular Formula: CF4
Other Names:
   Carbon tetrafluoride
mass_fraction_of_pfc_14_in_air air pmol/mol GHG-PFCs
PFC-218 CAS Number: 76-19-7
IUPAC Name: Octafluoropropane
Molecular Formula: C3F8
Other Names: Perfluoropropane
mass_fraction_of_pfc_218_in_air air pmol/mol GHG-PFCs
PFC-318 CAS Number: 115-25-3
IUPAC Name: Octafluorocyclobutane
Molecular Formula: C4F8
Other Names: Perfluorocyclobutane
mass_fraction_of_pfc_318_in_air air pmol/mol GHG-PFCs

This service has been funded or supported by the Norwegian Institute for Air Research (NILU), the EU research infrastructure ACTRIS (Aerosols, Clouds, and Trace gases Research InfraStructure), the European Monitoring and Evaluation Programme (EMEP).