Difluoromethane

Substance: fo-b569cec331b995de Neutral molecule
Source: EF 3.1
Unit: kg
Context: Environmental → Air → Ground level → Urban (>1000 people/square mile)
CAS: 75-10-5
EC: 200-839-4

Dimension: Environmental
Media: Air
Population density: Urban (>1000 people/square mile)
Strata: Ground level

CF2H2
CH2F2
Difluormethan
Freon 32
methylene difluoride
methylene fluoride
HFC-32
Ecolo Ace 32
Forane 32
Freon R 32
Genetron 32
Methane, difluoro-

List	Version	Source flow	Name there	Why this flow
EF	3.1	4d9a8790-3ddd-11dd-9ca6-0050c2490048	HFC-32	The consensus list is built from this one, so this row is the flow itself rather than something matched to it.
bafu	2026-v1	785f5026-437a-5af3-8976-a7f83639f1f3	Difluoromethane	The CAS numbers are the same (75-10-5); both name the same compartment.
ecoinvent	3.12	c9028b09-c12d-421b-9944-7d145e196ebc	Difluoromethane	A curator's mapping table (ecoinvent-3.11-biosphere-EF-3.1-biosphere) names this flow.
ecoinvent	3.8	c9028b09-c12d-421b-9944-7d145e196ebc	Difluoromethane	A curator's mapping table (ecoinvent-3.8-biosphere-EF-3.1-biosphere.json) names this flow.

Source list	Source flow	Name there	Compartment there	Match	Conversion
EF 3.1	4d9a8790-3ddd-11dd-9ca6-0050c2490048	HFC-32	Emissions/Emissions to air/Emissions to urban air close to ground	exactMatch	—
ecoinvent 3.12	c9028b09-c12d-421b-9944-7d145e196ebc	Difluoromethane	air / urban air close to ground	exactMatch	—
ecoinvent 3.8	c9028b09-c12d-421b-9944-7d145e196ebc	Difluoromethane	air / urban air close to ground	exactMatch	—
bafu 2026-v1	785f5026-437a-5af3-8976-a7f83639f1f3	Difluoromethane	emissions to air / high. pop.	closeMatch	—

consensus-flow-list 6
European Commission — JRC 6
ecoinvent Centre 6

Every implementation that says anything about this flow. Published as is what this list did with the row: where more than one implementation states a number and they agree it publishes it as agreed; where only one speaks, as sole; where they disagree it publishes nothing and asks.

Method	Implementation	Category	Place	Factor	Published as
EF 3.1	European Commission — JRC	Climate change	—	771	—
EF 3.1	ecoinvent Centre	Climate change	—	771	—
EF 3.1	consensus-flow-list	Climate change	—	771	agreed
EF 3.1	European Commission — JRC	Climate change-Fossil	—	771	—
EF 3.1	ecoinvent Centre	Climate change-Fossil	—	771	—
EF 3.1	consensus-flow-list	Climate change-Fossil	—	771	agreed
EF 3.1	European Commission — JRC	Ecotoxicity, freshwater	—	0.03567	—
EF 3.1	ecoinvent Centre	Ecotoxicity, freshwater	—	0.03567	—
EF 3.1	consensus-flow-list	Ecotoxicity, freshwater	—	0.03567	agreed
EF 3.1	European Commission — JRC	Ecotoxicity, freshwater_organics	—	0.03567	—
EF 3.1	ecoinvent Centre	Ecotoxicity, freshwater_organics	—	0.03567	—
EF 3.1	consensus-flow-list	Ecotoxicity, freshwater_organics	—	0.03567	agreed
EF 3.1	European Commission — JRC	Human toxicity, non-cancer	—	8.8085e-10	—
EF 3.1	ecoinvent Centre	Human toxicity, non-cancer	—	8.8085e-10	—
EF 3.1	consensus-flow-list	Human toxicity, non-cancer	—	8.8085e-10	agreed
EF 3.1	European Commission — JRC	Human toxicity, non-cancer_organics	—	8.8085e-10	—
EF 3.1	ecoinvent Centre	Human toxicity, non-cancer_organics	—	8.8085e-10	—
EF 3.1	consensus-flow-list	Human toxicity, non-cancer_organics	—	8.8085e-10	agreed

This flow in the difference report

The change log and the PROV-O trail (4 consensus changes)

Open the changes page

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Flow JSON

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    "name": "HFC-32",
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      "AC1L1MBO",
      "AC1O5DWB",
      "CF2H2",
      "CH2F2",
      "Carbon fluoride hydride",
      "DIFLUOROMETHANE",
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}

Difluoromethane

Identity

Context

Alternative labels

Source lists

Concept associations

Characterisation factors

History

Full record

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