Chlorodifluoromethane

Substance: fo-e9f4d8ae11520807 Neutral molecule
Source: EF 3.1
Unit: kg
Context: Environmental → Air → Unknown
CAS: 75-45-6
EC: 200-871-9

Dimension: Environmental
Media: Air
Strata: Unknown

HCFC-22
Algeon 22
Algofrene 22
Algofrene 6
Arcton 22
Arcton 4
Daiflon 22
Difluorochloromethane
Difluoromethyl chloride
Difluoromonochloromethane
Dymel 22
Electro-CF 22
Flugene 22
Forane 22
Freon 22
Freon R 22
Frigen 22
Genetron 22
Halon 22
Haltron 22
Isceon 22
Isotron 22
Khladon 22
Korfron 22
Methane, chlorodifluoro-
Monochlorodifluoromethane
Propellant 22
Refrigerant 22
Refrigerant R 22
Solkane 22

List	Version	Source flow	Name there	Why this flow
EF	3.1	fe0acd60-3ddc-11dd-a90d-0050c2490048	HCFC-22	The consensus list is built from this one, so this row is the flow itself rather than something matched to it.
agribalyse	3.2	c94a2fae-4c31-5df8-bb22-12990c33951e	Methane, chlorodifluoro-, HCFC-22	The CAS numbers are the same (75-45-6); both name the same compartment.
bafu	2026-v1	b423d008-29c5-5bee-8866-c002b10520d9	Methane, chlorodifluoro-, HCFC-22	The CAS numbers are the same (75-45-6); both name the same compartment.
ecoinvent	3.12	18c582fe-7336-4138-8797-2db8b7a754c7	Chlorodifluoromethane	The CAS numbers are the same (75-45-6); both name the same compartment.
ecoinvent	3.8	18c582fe-7336-4138-8797-2db8b7a754c7	Methane, chlorodifluoro-, HCFC-22	The CAS numbers are the same (75-45-6); both name the same compartment.
stepwise	2006-1.09	d287524b-39c2-5881-9ab1-dab17e3a4047	Methane, chlorodifluoro-, HCFC-22	The CAS numbers are the same (75-45-6); both name the same compartment.

Source list	Source flow	Name there	Compartment there	Match	Conversion
EF 3.1	fe0acd60-3ddc-11dd-a90d-0050c2490048	HCFC-22	Emissions/Emissions to air/Emissions to air, unspecified	exactMatch	—
ecoinvent 3.12	18c582fe-7336-4138-8797-2db8b7a754c7	Chlorodifluoromethane	air / unspecified	closeMatch	—
ecoinvent 3.8	18c582fe-7336-4138-8797-2db8b7a754c7	Chlorodifluoromethane	air / unspecified	closeMatch	—
bafu 2026-v1	b423d008-29c5-5bee-8866-c002b10520d9	Chlorodifluoromethane	emissions to air / unspecified	closeMatch	—
stepwise 2006-1.09	d287524b-39c2-5881-9ab1-dab17e3a4047	Chlorodifluoromethane	Air / (unspecified)	closeMatch	—
agribalyse 3.2	c94a2fae-4c31-5df8-bb22-12990c33951e	Chlorodifluoromethane	Emissions to air	closeMatch	—

consensus-flow-list 14 (12 non-zero)
European Commission — JRC 9 (7 non-zero)
GreenDelta 7
ecoinvent Centre 7
2.-0 LCA consultants 5

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	—	1,960	—
EF 3.1	ecoinvent Centre	Climate change	—	1,960	—
EF 3.1	GreenDelta	Climate change	—	1,960	—
EF 3.1	consensus-flow-list	Climate change	—	1,960	agreed
EF 3.1	European Commission — JRC	Climate change-Fossil	—	1,960	—
EF 3.1	ecoinvent Centre	Climate change-Fossil	—	1,960	—
EF 3.1	GreenDelta	Climate change-Fossil	—	1,960	—
EF 3.1	consensus-flow-list	Climate change-Fossil	—	1,960	agreed
EF 3.1	European Commission — JRC	Ecotoxicity, freshwater	—	0.2644	—
EF 3.1	ecoinvent Centre	Ecotoxicity, freshwater	—	0.2644	—
EF 3.1	GreenDelta	Ecotoxicity, freshwater	—	0.2644	—
EF 3.1	consensus-flow-list	Ecotoxicity, freshwater	—	0.2644	agreed
EF 3.1	European Commission — JRC	Ecotoxicity, freshwater_organics	—	0.2644	—
EF 3.1	ecoinvent Centre	Ecotoxicity, freshwater_organics	—	0.2644	—
EF 3.1	GreenDelta	Ecotoxicity, freshwater_organics	—	0.2644	—
EF 3.1	consensus-flow-list	Ecotoxicity, freshwater_organics	—	0.2644	agreed
EF 3.1	European Commission — JRC	Human toxicity, cancer	—	0	—
EF 3.1	consensus-flow-list	Human toxicity, cancer	—	0	sole
EF 3.1	European Commission — JRC	Human toxicity, cancer_organics	—	0	—
EF 3.1	consensus-flow-list	Human toxicity, cancer_organics	—	0	sole
EF 3.1	European Commission — JRC	Human toxicity, non-cancer	—	1.0533e-08	—
EF 3.1	ecoinvent Centre	Human toxicity, non-cancer	—	1.0533e-08	—
EF 3.1	GreenDelta	Human toxicity, non-cancer	—	1.0533e-08	—
EF 3.1	consensus-flow-list	Human toxicity, non-cancer	—	1.0533e-08	agreed
EF 3.1	European Commission — JRC	Human toxicity, non-cancer_organics	—	1.0533e-08	—
EF 3.1	ecoinvent Centre	Human toxicity, non-cancer_organics	—	1.0533e-08	—
EF 3.1	GreenDelta	Human toxicity, non-cancer_organics	—	1.0533e-08	—
EF 3.1	consensus-flow-list	Human toxicity, non-cancer_organics	—	1.0533e-08	agreed
EF 3.1	European Commission — JRC	Ozone depletion	—	0.034	—
EF 3.1	ecoinvent Centre	Ozone depletion	—	0.034	—
EF 3.1	GreenDelta	Ozone depletion	—	0.034	—
EF 3.1	consensus-flow-list	Ozone depletion	—	0.034	agreed
Stepwise 2006	2.-0 LCA consultants	Ecotoxicity, aquatic	—	0.009369	—
Stepwise 2006	consensus-flow-list	Ecotoxicity, aquatic	—	0.009369	sole
Stepwise 2006	2.-0 LCA consultants	Ecotoxicity, terrestrial	—	0.185282	—
Stepwise 2006	consensus-flow-list	Ecotoxicity, terrestrial	—	0.185282	sole
Stepwise 2006	2.-0 LCA consultants	Global warming, fossil	—	1,960	—
Stepwise 2006	consensus-flow-list	Global warming, fossil	—	1,960	sole
Stepwise 2006	2.-0 LCA consultants	Human toxicity, non-carc.	—	0.008082	—
Stepwise 2006	consensus-flow-list	Human toxicity, non-carc.	—	0.008082	sole
Stepwise 2006	2.-0 LCA consultants	Ozone layer depletion	—	0.05	—
Stepwise 2006	consensus-flow-list	Ozone layer depletion	—	0.05	sole

This flow in the difference report

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

Open the changes page

These are the heaviest sections of this page and the least often read, so the page does not pay for them until you ask.

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        "skos:closeMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-a90d-0050c2490048"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-a90d-0050c2490048"
      },
      "provenance": {
        "prov:wasGeneratedBy": "merge_stepwise",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "stepwise:2006-1.09:d287524b-39c2-5881-9ab1-dab17e3a4047",
          "Chlorodifluoromethane",
          "",
          "algorithm.lookup_order=cas>ec>label",
          "algorithm.basis=cas:75-45-6",
          "algorithm.flow_object_candidates=1",
          "algorithm.elementary_candidates=13",
          "algorithm.selector_reason=exact-context-iri-match",
          "algorithm.score_rule=exact-iri-shortcircuit;up-tree-filter;score=(2*unit_exact)+context_overlap-context_penalty+context_iri_exact;contradiction-veto"
        ],
        "prov:wasDerivedFrom": "algorithmic_fallback:lookup_order(cas>ec>label);basis(cas:75-45-6);flow_object_candidates(1);elementary_candidates(13);selector(exact-context-iri-match);exact-iri-shortcircuit;up-tree-filter;score=(2*unit_exact)+context_overlap-context_penalty+context_iri_exact;contradiction-veto"
      }
    },
    {
      "@type": "xkos:ConceptAssociation",
      "xkos:sourceConcept": {
        "@id": "https://vocab.brightway.one/agribalyse/3.2/flow/c94a2fae-4c31-5df8-bb22-12990c33951e",
        "skos:prefLabel": "Chlorodifluoromethane",
        "context": "Emissions to air",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloGM"
        },
        "skos:closeMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-a90d-0050c2490048"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-a90d-0050c2490048"
      },
      "provenance": {
        "prov:wasGeneratedBy": "merge_agribalyse",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "agribalyse:3.2:c94a2fae-4c31-5df8-bb22-12990c33951e",
          "Chlorodifluoromethane",
          "",
          "algorithm.lookup_order=cas>ec>label",
          "algorithm.basis=cas:75-45-6",
          "algorithm.flow_object_candidates=1",
          "algorithm.elementary_candidates=14",
          "algorithm.selector_reason=exact-context-iri-match",
          "algorithm.score_rule=exact-iri-shortcircuit;up-tree-filter;score=(2*unit_exact)+context_overlap-context_penalty+context_iri_exact;contradiction-veto"
        ],
        "prov:wasDerivedFrom": "algorithmic_fallback:lookup_order(cas>ec>label);basis(cas:75-45-6);flow_object_candidates(1);elementary_candidates(14);selector(exact-context-iri-match);exact-iri-shortcircuit;up-tree-filter;score=(2*unit_exact)+context_overlap-context_penalty+context_iri_exact;contradiction-veto"
      }
    }
  ],
  "_sources": {
    "prefLabel": "consensus_match",
    "name": "bootstrap_labels",
    "synonyms": "bootstrap_labels",
    "context": "default_context_mapping",
    "context_iri": "default_context_mapping",
    "unit_iri": "unit_normalization",
    "properties": "normalise_property_values",
    "skos_definition": "enrich_references",
    "references": "enrich_references",
    "altLabel": "strip_catalogue_altlabels",
    "cas_match_labels": "consensus_match",
    "concept_associations": "carry_associations_onto_flows",
    "types": "link_flows_to_their_substance"
  },
  "cas_match_labels": {
    "75-45-6": "exactMatch"
  },
  "_transformed": true,
  "_provided": {
    "name": "HCFC-22",
    "synonyms": [
      "AC1L1MDR",
      "AC1Q3H5T",
      "AC1Q4KNH",
      "Algeon 22",
      "Algofrene 22",
      "Algofrene 6",
      "Algofrene type 6",
      "Arcton 22",
      "Arcton 4",
      "CFC 22",
      "CHLORODIFLUOROMETHANE",
      "Chlorofluorocarbon 22",
      "Daiflon 22",
      "Difluorochloromethane",
      "Difluoromonochloromethane",
      "Dymel 22",
      "Electro-CF 22",
      "Eskimon 22",
      "F 22",
      "F 22 (halocarbon)",
      "FC 22",
      "FKW 22",
      "Flugene 22",
      "Fluorocarbon 22",
      "Fluorocarbon-22",
      "Forane 22",
      "Forane 22 B",
      "Freon 22",
      "Freon R-22",
      "Frigen",
      "Frigen 22",
      "Genetron 22",
      "HCFC 22",
      "HFA-22",
      "Halocarbon 22",
      "Haltron 22",
      "Hydrochlorofluorocarbon 22",
      "I14-4765",
      "Isceon 22",
      "Isotron 22",
      "Khladon 22",
      "Methane, chlorodifluoro-",
      "Monochlorodifluoromethane",
      "Propellant 22",
      "R 22 (refrigerant)",
      "R-22",
      "Racon 22",
      "Refrigerant R 22",
      "Refrigerant R22",
      "Ucon 22",
      "chloro(difluoro)methane",
      "chloro-difluoromethane"
    ],
    "context": [
      "Emissions",
      "Emissions to air",
      "Emissions to air, unspecified"
    ],
    "cas_numbers": [
      "75-45-6"
    ],
    "ec_numbers": [
      "200-871-9"
    ],
    "unit": "kg"
  }
}

A flow can be wrong in three ways, and they are decided differently. Pick the one that matches what you are looking at.

You do not need to run a build or clone anything. Name the row and say what your evidence is; the measurement is done for you. How contributing works

Chlorodifluoromethane

Identity

Context

Alternative labels

Source lists

Concept associations

Characterisation factors

History

Full record

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