Brightway Flows 1.0
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Nitrous Oxide

08a91e70-3ddc-11dd-94c5-0050c2490048

Identity

Substance
fo-8c6906c0ddba5602 Neutral molecule
Source
EF 3.1
Unit
kg
Context
Environmental → Air → Ground level → Urban (>1000 people/square mile)
CAS
10024-97-2
EC
233-032-0

Context

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

Alternative labels

22

Source lists

5
List Version Source flow Name there Why this flow
EF 3.1 08a91e70-3ddc-11dd-94c5-0050c2490048 nitrous oxide The consensus list is built from this one, so this row is the flow itself rather than something matched to it.
agribalyse 3.2 a4a4322d-a1ed-5c1e-ac68-f9679c3aa03b Dinitrogen monoxide Several substances share the CAS number (10024-97-2), and the row's name picks this one; both name the same compartment.
bafu 2026-v1 3206793d-5e78-5c1e-9fb9-2bd6a78f6c0c Dinitrogen monoxide Several substances share the CAS number (10024-97-2), and the row's name picks this one; both name the same compartment.
ecoinvent 3.12 6dc1b46f-ee89-4495-95c4-b8a637bcd6cb Dinitrogen monoxide Several substances share the CAS number (10024-97-2), and the row's name picks this one; both name the same compartment.
ecoinvent 3.8 6dc1b46f-ee89-4495-95c4-b8a637bcd6cb Dinitrogen monoxide Several substances share the CAS number (10024-97-2), and the row's name picks this one; both name the same compartment.

Concept associations

5
Source list Source flow Name there Compartment there Match Conversion
EF 3.1 08a91e70-3ddc-11dd-94c5-0050c2490048 nitrous oxide Emissions/Emissions to air/Emissions to urban air close to ground exactMatch —
ecoinvent 3.12 6dc1b46f-ee89-4495-95c4-b8a637bcd6cb Dinitrogen Monoxide air / urban air close to ground closeMatch —
ecoinvent 3.8 6dc1b46f-ee89-4495-95c4-b8a637bcd6cb Dinitrogen Monoxide air / urban air close to ground closeMatch —
bafu 2026-v1 3206793d-5e78-5c1e-9fb9-2bd6a78f6c0c Dinitrogen Monoxide emissions to air / high. pop. closeMatch —
agribalyse 3.2 a4a4322d-a1ed-5c1e-ac68-f9679c3aa03b Dinitrogen Monoxide Emissions to air / high. pop. closeMatch —

Characterisation factors

17

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 — 273 —
EF 3.1 ecoinvent Centre Climate change — 273 —
EF 3.1 GreenDelta Climate change — 273 —
EF 3.1 consensus-flow-list Climate change — 273 agreed
EF 3.1 European Commission — JRC Climate change-Fossil — 273 —
EF 3.1 ecoinvent Centre Climate change-Fossil — 273 —
EF 3.1 GreenDelta Climate change-Fossil — 273 —
EF 3.1 consensus-flow-list Climate change-Fossil — 273 agreed
EF 3.1 European Commission — JRC Human toxicity, non-cancer — 1.6090e-08 —
EF 3.1 ecoinvent Centre Human toxicity, non-cancer — 1.6090e-08 —
EF 3.1 GreenDelta Human toxicity, non-cancer — 1.6090e-08 —
EF 3.1 consensus-flow-list Human toxicity, non-cancer — 1.6090e-08 agreed
EF 3.1 European Commission — JRC Human toxicity, non-cancer_organics — 1.6090e-08 —
EF 3.1 ecoinvent Centre Human toxicity, non-cancer_organics — 1.6090e-08 —
EF 3.1 GreenDelta Human toxicity, non-cancer_organics — 1.6090e-08 —
EF 3.1 consensus-flow-list Human toxicity, non-cancer_organics — 1.6090e-08 agreed
Stepwise 2006 consensus-flow-list Global warming, fossil — 273 carried

This flow in the difference report

History

The change log and the PROV-O trail (2 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.

Full record

Flow JSON 
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      "@value": "Dinitrogen monoxide",
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          "algorithm.lookup_order=cas>ec>label",
          "algorithm.basis=cas+label:10024-97-2",
          "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+label:10024-97-2);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/bafu/2026-v1/flow/3206793d-5e78-5c1e-9fb9-2bd6a78f6c0c",
        "skos:prefLabel": "Dinitrogen Monoxide",
        "context": "emissions to air / high. pop.",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloGM"
        },
        "skos:closeMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/08a91e70-3ddc-11dd-94c5-0050c2490048"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/08a91e70-3ddc-11dd-94c5-0050c2490048"
      },
      "provenance": {
        "prov:wasGeneratedBy": "merge_bafu",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "bafu:2026-v1:3206793d-5e78-5c1e-9fb9-2bd6a78f6c0c",
          "Dinitrogen Monoxide",
          "",
          "algorithm.lookup_order=cas>ec>label",
          "algorithm.basis=cas+label:10024-97-2",
          "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+label:10024-97-2);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/a4a4322d-a1ed-5c1e-ac68-f9679c3aa03b",
        "skos:prefLabel": "Dinitrogen Monoxide",
        "context": "Emissions to air / high. pop.",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloGM"
        },
        "skos:closeMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/08a91e70-3ddc-11dd-94c5-0050c2490048"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/08a91e70-3ddc-11dd-94c5-0050c2490048"
      },
      "provenance": {
        "prov:wasGeneratedBy": "merge_agribalyse",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "agribalyse:3.2:a4a4322d-a1ed-5c1e-ac68-f9679c3aa03b",
          "Dinitrogen Monoxide",
          "",
          "algorithm.lookup_order=cas>ec>label",
          "algorithm.basis=cas+label:10024-97-2",
          "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+label:10024-97-2);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": "normalize_name_case",
    "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": {
    "10024-97-2": "exactMatch"
  },
  "_transformed": true,
  "_provided": {
    "name": "nitrous oxide",
    "synonyms": [
      "AC1L1ADZ",
      "Diazyne 1-oxide",
      "Dinitrogen monoxide",
      "Dinitrogen oxide",
      "Distickstoffmonoxid",
      "Factitious air",
      "Gas, Laughing",
      "Hyponitrous acid anhydride",
      "Lachgas",
      "Laughing gas",
      "N2O",
      "NITROUS-OXIDE",
      "Nitrogen hypoxide",
      "Nitrogen oxide (N2O)",
      "Nitrous oxide (JP15/USP)",
      "Nitrous oxide (TN)",
      "Nitrous oxide [Anaesthetics, volatile]",
      "Nitrous oxide, compressed",
      "Nitrous oxide, refrigerated liquid",
      "Oxide, Nitrous",
      "Oxido nitroso",
      "Stickdioxyd",
      "Stickstoff(I)-oxid",
      "gaz hilarant",
      "nitrogenium oxydulatum",
      "oxidodinitrogen(N--N)",
      "oxyde nitreux",
      "protoxyde d'azote"
    ],
    "context": [
      "Emissions",
      "Emissions to air",
      "Emissions to urban air close to ground"
    ],
    "cas_numbers": [
      "10024-97-2"
    ],
    "ec_numbers": [
      "233-032-0"
    ],
    "unit": "kg"
  }
}

Something wrong here?

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

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