Global

PFC-91-18 (1.1.2.2.3.3.4.4.4a.5.5.6.6.7.7.8.8.8a-octadecafluoronaphthalene)

Germany

Carbon dioxide (CO2)

R-134a / HFC-134a (1.1.1.2-tetrafluoroethane)

R-32 / HFC-32 (difluoromethane)

Global Warming Potential (GWP) of a greenhouse gas covered by the Kyoto Protocol and included within scope of an inventory prepared under GHG Protocol. This should be used to report leakage from air-conditioning refrigeration units or other release to the atmosphere. CAS number: 306-94-5. Retrieved from the Conversion Factors 2024: flat file published by the UK Government at the source URL.

Global Warming Potential (GWP) of a greenhouse gas covered by the Kyoto Protocol and included within scope of an inventory prepared under GHG Protocol. This should be used to report leakage from air-conditioning refrigeration units or other release to the atmosphere. CAS number: 306-94-5. Retrieved from the EPA's GHG Emission Factors Hub (xlsx). Note that in the source this EF is provided as >7500; to avoid computation errors this is presented as 7500.

Global Warming Potential (GWP) of a greenhouse gas covered by the Kyoto Protocol and included within scope of an inventory prepared under GHG Protocol. This should be used to report leakage from air-conditioning refrigeration units or other release to the atmosphere. CAS number: 306-94-5. Retrieved from the IPCC Global Warming Potential Values (pdf) file published by GHG Protocol at the source URL.

Global Warming Potential (GWP) of a greenhouse gas covered by the Kyoto Protocol and included within scope of an inventory prepared under GHG Protocol. This should be used to report leakage from air-conditioning refrigeration units or other release to the atmosphere. CAS number: 306-94-5. Retrieved from the 2024 GHG Emission Factors Hub (xlsx) file published by the US EPA at the source URL.

Global Warming Potential (GWP) of a greenhouse gas covered by the Kyoto Protocol and included within scope of an inventory prepared under GHG Protocol. This should be used to report leakage from air-conditioning refrigeration units or other release to the atmosphere. CAS number: 306-94-5. Retrieved from Singapore Emission Factors Registry (SEFR) database. The primary data source is National Environment Agency (NEA) Singapore.

Global Warming Potential (GWP) of a greenhouse gas covered by the Kyoto Protocol and included within scope of an inventory prepared under GHG Protocol. This should be used to report leakage from air-conditioning refrigeration units or other release to the atmosphere. CAS number: 306-94-5. Retrieved from the Conversion Factors 2023: flat file published by the UK Government at the source URL.

Global Warming Potential (GWP) of a greenhouse gas covered by the Kyoto Protocol and included within scope of an inventory prepared under GHG Protocol. This should be used to report leakage from air-conditioning refrigeration units or other release to the atmosphere. CAS number: 306-94-5. Retrieved from the Conversion Factors 2022: flat file published by the UK Government at the source URL.

Global Warming Potential (GWP) of a greenhouse gas covered by the Kyoto Protocol and included within scope of an inventory prepared under GHG Protocol. This should be used to report leakage from air-conditioning refrigeration units or other release to the atmosphere. CAS number: 306-94-5. Retrieved from the 2025 GHG Emission Factors Hub (xlsx) file published by the US EPA at the source URL.

Global Warming Potential (GWP) of a greenhouse gas covered by the Kyoto Protocol and included within scope of an inventory prepared under GHG Protocol. This should be used to report leakage from air-conditioning refrigeration units or other release to the atmosphere. CAS number: 306-94-5. Retrieved from the Conversion Factors 2025: flat file published by the UK Government at the source URL.

Global Warming Potential (GWP) of a greenhouse gas covered by the Kyoto Protocol and included within scope of an inventory prepared under GHG Protocol. This should be used to report leakage from air-conditioning refrigeration units or other release to the atmosphere. CAS number: 306-94-5. Retrieved from the Conversion Factors 2021: flat file published by the UK Government at the source URL.

Global Warming Potential (GWP) of a greenhouse gas covered by the Kyoto Protocol and included within scope of an inventory prepared under GHG Protocol. This should be used to report leakage from air-conditioning refrigeration units or other release to the atmosphere. CAS number: 306-94-5. NOTE: 7500 is the minimum kgCO2e estimated for PFC-9-1-18 (Perfluorodecalin).  Data quality flag: methodology - This dataset has been deprecated by the source

Property	Value
Name	PFC-91-18 (1.1.2.2.3.3.4.4.4a.5.5.6.6.7.7.8.8.8a-octadecafluoronaphthalene)
Sector	Refrigerants and Fugitive Gases
Category	Refrigerants and Fugitive Gases
Source	BEIS, EPA, GHG Protocol, SEFR
Region	Global (GLOBAL)
Unit Type	Weight
Year	2007 2014 2021
LCA Activity	fugitive_release

PFC-91-18 (1.1.2.2.3.3.4.4.4a.5.5.6.6.7.7.8.8.8a-octadecafluoronaphthalene)

Activity summary

API Reference

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Related factors

Refrigerants and Fugitive Gases Emission Factors

Carbon dioxide (CO2)

R-134a / HFC-134a (1.1.1.2-tetrafluoroethane)

R-32 / HFC-32 (difluoromethane)

Emission Factor Name	Region	Source	Year	Unit
PFC-91-18 (1.1.2.2.3.3.4.4.4a.5.5.6.6.7.7.8.8.8a-octadecafluoronaphthalene)	Global	BEIS	2014	Weight
PFC-91-18 (1.1.2.2.3.3.4.4.4a.5.5.6.6.7.7.8.8.8a-octadecafluoronaphthalene)	Global	EPA	2007	Weight
PFC-91-18 (1.1.2.2.3.3.4.4.4a.5.5.6.6.7.7.8.8.8a-octadecafluoronaphthalene)	Global	GHG Protocol	2021	Weight
PFC-91-18 (1.1.2.2.3.3.4.4.4a.5.5.6.6.7.7.8.8.8a-octadecafluoronaphthalene)	Global	EPA	2014	Weight
PFC-91-18 (1.1.2.2.3.3.4.4.4a.5.5.6.6.7.7.8.8.8a-octadecafluoronaphthalene)	Global	SEFR	2014	Weight
PFC-91-18 (1.1.2.2.3.3.4.4.4a.5.5.6.6.7.7.8.8.8a-octadecafluoronaphthalene)	Global	BEIS	2014	Weight
PFC-91-18 (1.1.2.2.3.3.4.4.4a.5.5.6.6.7.7.8.8.8a-octadecafluoronaphthalene)	Global	BEIS	2007	Weight
PFC-91-18 (1.1.2.2.3.3.4.4.4a.5.5.6.6.7.7.8.8.8a-octadecafluoronaphthalene)	Global	EPA	2014	Weight
PFC-91-18 (1.1.2.2.3.3.4.4.4a.5.5.6.6.7.7.8.8.8a-octadecafluoronaphthalene)	Global	EPA	2007	Weight
PFC-91-18 (1.1.2.2.3.3.4.4.4a.5.5.6.6.7.7.8.8.8a-octadecafluoronaphthalene)	Global	BEIS	2014	Weight
PFC-91-18 (1.1.2.2.3.3.4.4.4a.5.5.6.6.7.7.8.8.8a-octadecafluoronaphthalene)	Global	EPA	2007	Weight
PFC-91-18 (1.1.2.2.3.3.4.4.4a.5.5.6.6.7.7.8.8.8a-octadecafluoronaphthalene)	Global	BEIS	2007	Weight
PFC-91-18 (1.1.2.2.3.3.4.4.4a.5.5.6.6.7.7.8.8.8a-octadecafluoronaphthalene)	Global	GHG Protocol	2007	Weight