Consensus flow list

1,1-Difluoroethane

08a91e70-3ddc-11dd-9309-0050c2490048

Identity

Substance
fo-69dd3b89d69d6be5 NeutralMolecule
Source
EF 3.1
Unit
kg
Context
Environmental → Air → Unknown
CAS
75-37-6
EC
200-866-1

Context

Dimension
Environmental
Media
Air
Strata
Unknown

Alternative labels

8

Source lists

4
List Version Source flow Name there Why this flow
EF 3.1 08a91e70-3ddc-11dd-9309-0050c2490048 1,1-Difluoroethane The consensus list is built from this one, so this row is the flow itself rather than something matched to it.
bafu 2026-v1 6d0f39b4-8aec-5d41-a442-80299b6c4c9c Ethane, 1,1-difluoro-, HFC-152a The CAS numbers are the same (75-37-6); both name the same compartment.
ecoinvent 3.12 9cf9bf0e-86fe-42c0-90cc-bfed96fbdc8f 1,1-Difluoroethane A curator's mapping table (ecoinvent-3.11-biosphere-EF-3.1-biosphere) names this flow.
ecoinvent 3.8 9cf9bf0e-86fe-42c0-90cc-bfed96fbdc8f Ethane, 1,1-difluoro-, HFC-152a A curator's mapping table (ecoinvent-3.8-biosphere-EF-3.1-biosphere.json) names this flow.

Concept associations

4
Source list Source flow Name there Compartment there Match Conversion
EF 3.1 08a91e70-3ddc-11dd-9309-0050c2490048 1,1-Difluoroethane Emissions/Emissions to air/Emissions to air, unspecified exactMatch —
ecoinvent 3.12 9cf9bf0e-86fe-42c0-90cc-bfed96fbdc8f 1,1-Difluoroethane air / unspecified exactMatch —
ecoinvent 3.8 9cf9bf0e-86fe-42c0-90cc-bfed96fbdc8f Ethane, 1,1-difluoro-, HFC-152a air / unspecified exactMatch —
bafu 2026-v1 6d0f39b4-8aec-5d41-a442-80299b6c4c9c Ethane, 1,1-difluoro-, HFC-152a emissions to air / unspecified closeMatch —

History

The change log and the PROV-O trail (2 consensus changes)

Open the changes page

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Full record

Flow JSON 
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      "xkos:sourceConcept": {
        "@id": "https://vocab.brightway.one/ecoinvent/3.12/flow/9cf9bf0e-86fe-42c0-90cc-bfed96fbdc8f",
        "skos:prefLabel": "1,1-Difluoroethane",
        "context": "air / unspecified",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloGM"
        },
        "skos:exactMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/08a91e70-3ddc-11dd-9309-0050c2490048"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/08a91e70-3ddc-11dd-9309-0050c2490048"
      },
      "provenance": {
        "prov:wasGeneratedBy": "merge_ecoinvent",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "ecoinvent:3.12:9cf9bf0e-86fe-42c0-90cc-bfed96fbdc8f",
          "1,1-Difluoroethane",
          "ecoinvent-3.11-biosphere-EF-3.1-biosphere"
        ],
        "prov:wasDerivedFrom": "randonneur_replace_table:prepared_mapping"
      }
    },
    {
      "@type": "xkos:ConceptAssociation",
      "xkos:sourceConcept": {
        "@id": "https://vocab.brightway.one/ecoinvent/3.8/flow/9cf9bf0e-86fe-42c0-90cc-bfed96fbdc8f",
        "skos:prefLabel": "Ethane, 1,1-difluoro-, HFC-152a",
        "context": "air / unspecified",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloGM"
        },
        "skos:exactMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/08a91e70-3ddc-11dd-9309-0050c2490048"
        }
      },
      "xkos:targetConcept": {
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      },
      "provenance": {
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        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "ecoinvent:3.8:9cf9bf0e-86fe-42c0-90cc-bfed96fbdc8f",
          "Ethane, 1,1-difluoro-, HFC-152a",
          "ecoinvent-3.8-biosphere-EF-3.1-biosphere.json"
        ],
        "prov:wasDerivedFrom": "randonneur_replace_table:prepared_mapping"
      }
    },
    {
      "@type": "xkos:ConceptAssociation",
      "xkos:sourceConcept": {
        "@id": "https://vocab.brightway.one/bafu/2026-v1/flow/6d0f39b4-8aec-5d41-a442-80299b6c4c9c",
        "skos:prefLabel": "Ethane, 1,1-difluoro-, HFC-152a",
        "context": "emissions to air / unspecified",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloGM"
        },
        "skos:closeMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/08a91e70-3ddc-11dd-9309-0050c2490048"
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      },
      "xkos:targetConcept": {
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      },
      "provenance": {
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          "",
          "algorithm.lookup_order=cas>ec>label",
          "algorithm.basis=cas:75-37-6",
          "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:75-37-6);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"
      }
    }
  ],
  "_sources": {
    "prefLabel": "bootstrap_labels",
    "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": {
    "75-37-6": "exactMatch"
  },
  "_transformed": true,
  "_provided": {
    "name": "1,1-Difluoroethane",
    "synonyms": [
      "1, 1-Difluoroethane",
      "1,1-DIFLUOROETHANE",
      "AC1L1MDF",
      "AC1Q2B45",
      "Algofrene type 67",
      "Difluoroethane",
      "Dymel 152",
      "Dymel 152A",
      "Ethane, 1,1-difluoro-",
      "Ethylene fluoride",
      "Ethylidene difluoride",
      "Ethylidene fluoride",
      "FC 152a",
      "Fluorocarbon 152a",
      "Freon 152a",
      "Genetron 100",
      "Genetron 152a",
      "HFC 152a",
      "Halocarbon 152A",
      "Hydrofluorocarbon 152a",
      "I14-14875",
      "PC2800",
      "Propellant 152a",
      "R 152a",
      "Refrigerant 152a"
    ],
    "context": [
      "Emissions",
      "Emissions to air",
      "Emissions to air, unspecified"
    ],
    "cas_numbers": [
      "75-37-6"
    ],
    "ec_numbers": [
      "200-866-1"
    ],
    "unit": "kg"
  }
}

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