2,3,7,8-tetrachlorodibenzo-p-dioxin

Substance: fo-e82f82743b0aacbb Neutral molecule
Source: EF 3.1
Unit: kg
Context: Environmental → Air → Unknown
CAS: 1746-01-6
EC: 217-122-7

Dimension: Environmental
Media: Air
Strata: Unknown

2,3,7,8-Tetrachlorodibenzodioxin
2,3,7,8-tetrachlorooxanthrene
Dioxin
PCDD 48
TCDD
Tetrachlorodibenzodioxin
dioxine
tetradioxin
2,3,7,8-TCDD
2,3,7,8-Tetrachloro-p-dioxin
2,3,7,8-Tetrachlorodibenzo-1,4-dioxin
2,3,7,8-Tetrachlorodibenzo[b,e][1,4]dioxin
2378TCDD
Dibenzo-p-dioxin, 2,3,7,8-tetrachloro-
Dibenzo[b,e][1,4]dioxin, 2,3,7,8-tetrachloro-
Dioxin (herbicide contaminant)
TCDBD
Tetrachlorodibenzo-p-dioxin

List	Version	Source flow	Name there	Why this flow
EF	3.1	fe0acd60-3ddc-11dd-ab67-0050c2490048	2,3,7,8-tetrachlorodibenzo-p-dioxin	The consensus list is built from this one, so this row is the flow itself rather than something matched to it.
agribalyse	3.2	12ba279d-80ec-5bb0-8e7d-0becb385fa54	Dioxins (TEQ)	The CAS numbers are the same (1746-01-6); both name the same compartment.
agribalyse	3.2	18b0c0aa-cd95-56c1-ba60-cac7863c8032	Dioxin, 2,3,7,8 Tetrachlorodibenzo-p-	The CAS numbers are the same (1746-01-6); both name the same compartment.
bafu	2026-v1	66fcceb6-6efb-5b05-8aaa-6db4eb550afd	Dioxin, 2,3,7,8 Tetrachlorodibenzo-p-	The CAS numbers are the same (1746-01-6); both name the same compartment.
ecoinvent	3.12	082903e4-45d8-4078-94cb-736b15279277	Dioxins, measured as 2,3,7,8-tetrachlorodibenzo-p-dioxin	The CAS numbers are the same (1746-01-6); both name the same compartment.
ecoinvent	3.8	082903e4-45d8-4078-94cb-736b15279277	Dioxins, measured as 2,3,7,8-tetrachlorodibenzo-p-dioxin	The CAS numbers are the same (1746-01-6); both name the same compartment.
stepwise	2006-1.09	fa79c0d9-bd6f-5074-bbf0-c444c7764ab2	Dioxin, 2,3,7,8 Tetrachlorodibenzo-p-	The CAS numbers are the same (1746-01-6); both name the same compartment.

Source list	Source flow	Name there	Compartment there	Match	Conversion
EF 3.1	fe0acd60-3ddc-11dd-ab67-0050c2490048	2,3,7,8-tetrachlorodibenzo-p-dioxin	Emissions/Emissions to air/Emissions to air, unspecified	exactMatch	—
ecoinvent 3.12	082903e4-45d8-4078-94cb-736b15279277	Dioxins, Measured As 2,3,7,8-tetrachlorodibenzo-p-dioxin	air / unspecified	closeMatch	—
ecoinvent 3.8	082903e4-45d8-4078-94cb-736b15279277	Dioxins, Measured As 2,3,7,8-tetrachlorodibenzo-p-dioxin	air / unspecified	closeMatch	—
bafu 2026-v1	66fcceb6-6efb-5b05-8aaa-6db4eb550afd	Dioxin, 2,3,7,8 Tetrachlorodibenzo-p-	emissions to air / unspecified	closeMatch	—
stepwise 2006-1.09	fa79c0d9-bd6f-5074-bbf0-c444c7764ab2	Dioxin, 2,3,7,8 Tetrachlorodibenzo-p-	Air / (unspecified)	closeMatch	—
agribalyse 3.2	18b0c0aa-cd95-56c1-ba60-cac7863c8032	Dioxin, 2,3,7,8 Tetrachlorodibenzo-p-	Emissions to air	closeMatch	—
agribalyse 3.2	12ba279d-80ec-5bb0-8e7d-0becb385fa54	Dioxins (TEQ)	Emissions to air	closeMatch	—

brightway-flows 9
2.-0 LCA consultants 5
European Commission — JRC 4
GreenDelta 4
ecoinvent Centre 4

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	Ecotoxicity, freshwater	—	799,680	—
EF 3.1	ecoinvent Centre	Ecotoxicity, freshwater	—	799,680	—
EF 3.1	GreenDelta	Ecotoxicity, freshwater	—	799,680	—
EF 3.1	brightway-flows	Ecotoxicity, freshwater	—	799,680	agreed
EF 3.1	European Commission — JRC	Ecotoxicity, freshwater_organics	—	799,680	—
EF 3.1	ecoinvent Centre	Ecotoxicity, freshwater_organics	—	799,680	—
EF 3.1	GreenDelta	Ecotoxicity, freshwater_organics	—	799,680	—
EF 3.1	brightway-flows	Ecotoxicity, freshwater_organics	—	799,680	agreed
EF 3.1	European Commission — JRC	Human toxicity, cancer	—	35.175	—
EF 3.1	ecoinvent Centre	Human toxicity, cancer	—	35.175	—
EF 3.1	GreenDelta	Human toxicity, cancer	—	35.175	—
EF 3.1	brightway-flows	Human toxicity, cancer	—	35.175	agreed
EF 3.1	European Commission — JRC	Human toxicity, cancer_organics	—	35.175	—
EF 3.1	ecoinvent Centre	Human toxicity, cancer_organics	—	35.175	—
EF 3.1	GreenDelta	Human toxicity, cancer_organics	—	35.175	—
EF 3.1	brightway-flows	Human toxicity, cancer_organics	—	35.175	agreed
Stepwise 2006	2.-0 LCA consultants	Ecotoxicity, aquatic	—	393,500.2454	—
Stepwise 2006	brightway-flows	Ecotoxicity, aquatic	—	393,500.2454	sole
Stepwise 2006	2.-0 LCA consultants	Ecotoxicity, terrestrial	—	259.120374	—
Stepwise 2006	brightway-flows	Ecotoxicity, terrestrial	—	259.120374	sole
Stepwise 2006	2.-0 LCA consultants	Human toxicity, carcinogens	—	1.7219e+09	—
Stepwise 2006	brightway-flows	Human toxicity, carcinogens	—	1.7219e+09	sole
Stepwise 2006	2.-0 LCA consultants	Human toxicity, non-carc.	—	8.6964e+09	—
Stepwise 2006	brightway-flows	Human toxicity, non-carc.	—	8.6964e+09	sole
Stepwise 2006	2.-0 LCA consultants	Photochemical ozone, vegetat.	—	1,159	—
Stepwise 2006	brightway-flows	Photochemical ozone, vegetat.	—	1,159	sole

This flow in the difference report

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

Open the changes page

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Flow JSON

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          "algorithm.basis=cas:1746-01-6",
          "algorithm.flow_object_candidates=1",
          "algorithm.elementary_candidates=17",
          "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:1746-01-6);flow_object_candidates(1);elementary_candidates(17);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/18b0c0aa-cd95-56c1-ba60-cac7863c8032",
        "skos:prefLabel": "Dioxin, 2,3,7,8 Tetrachlorodibenzo-p-",
        "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-ab67-0050c2490048"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-ab67-0050c2490048"
      },
      "provenance": {
        "prov:wasGeneratedBy": "merge_agribalyse",
        "prov:wasAttributedTo": "brightway-flows",
        "prov:hadPrimarySource": [
          "agribalyse:3.2:18b0c0aa-cd95-56c1-ba60-cac7863c8032",
          "Dioxin, 2,3,7,8 Tetrachlorodibenzo-p-",
          "",
          "algorithm.lookup_order=cas>ec>label",
          "algorithm.basis=cas:1746-01-6",
          "algorithm.flow_object_candidates=1",
          "algorithm.elementary_candidates=17",
          "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:1746-01-6);flow_object_candidates(1);elementary_candidates(17);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/12ba279d-80ec-5bb0-8e7d-0becb385fa54",
        "skos:prefLabel": "Dioxins (TEQ)",
        "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-ab67-0050c2490048"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-ab67-0050c2490048"
      },
      "provenance": {
        "prov:wasGeneratedBy": "merge_agribalyse",
        "prov:wasAttributedTo": "brightway-flows",
        "prov:hadPrimarySource": [
          "agribalyse:3.2:12ba279d-80ec-5bb0-8e7d-0becb385fa54",
          "Dioxins (TEQ)",
          "",
          "algorithm.lookup_order=cas>ec>label",
          "algorithm.basis=cas:1746-01-6",
          "algorithm.flow_object_candidates=1",
          "algorithm.elementary_candidates=17",
          "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:1746-01-6);flow_object_candidates(1);elementary_candidates(17);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",
    "roles": "link_flows_to_their_substance"
  },
  "cas_match_labels": {
    "1746-01-6": "exactMatch"
  },
  "_transformed": true,
  "_provided": {
    "name": "2,3,7,8-tetrachlorodibenzo-p-dioxin",
    "synonyms": [
      "2,3,7,8-:tetrachlorodibenzo-p-dioxin",
      "2,3,7,8-Czterochlorodwubenzo-p-dwuoksyny",
      "2,3,7,8-T4CDD",
      "2,3,7,8-TCDD",
      "2,3,7,8-TETRACHLORODIBENZO-P-DIOXIN (SEE ALSO TRANSGENIC MODEL EVALUATION (2,3,7,8-TETRACHLORODIBENZODIOXIN))",
      "2,3,7,8-Tetra polychlorinated dibenzo-p-dioxin",
      "2,3,7,8-Tetrachloro(b,e)dibenzodioxin",
      "2,3,7,8-Tetrachloro(b,f)dibenzodioxin",
      "2,3,7,8-Tetrachloro-dibenzo[b,e][1,4]dioxin",
      "2,3,7,8-Tetrachlorodibenzo(b,e)(1,4)dioxin",
      "2,3,7,8-Tetrachlorodibenzo-1,4-dioxin",
      "2,3,7,8-Tetrachlorodibenzo-p-dioxin [Dioxin and dioxin-like compounds]",
      "2,3,7,8-Tetrachlorodibenzo[b,e][1,4]dioxin",
      "2,3,7,8-Tetrachlorodibenzodioxin",
      "2,3,7,8-Tetrachlorooxanthrene",
      "AC1L26AF",
      "Dibenzo(b,e)(1,4)dioxin, 2,3,7,8-tetrachloro-",
      "Dibenzo-p-dioxin, 2,3,7,8-tetrachloro-",
      "Dioksyny",
      "Dioxin",
      "Dioxin (herbicide contaminant)",
      "Dioxin mixture",
      "Dioxine",
      "NCI-C03714",
      "PCDD 48",
      "TCDB D",
      "TCDBD",
      "TCDD",
      "TEF TRANSGENICS (TCDD)",
      "TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) (SEE ALSO TCDD & TRANSGENIC MODEL EVALUATION)",
      "TRANSGENIC MODEL EVALUATION (2,3,7,8-TETRACHLORODIBENZODIOXIN)",
      "Tetrachlorodibenzo-1,4-dioxin",
      "Tetrachlorodibenzo-p-dioxin",
      "Tetrachlorodibenzodioxin",
      "Tetradioxin",
      "[3H]-TCDD",
      "dibenzo-dioxin, 2,3,7,8-tetrachlorinated"
    ],
    "context": [
      "Emissions",
      "Emissions to air",
      "Emissions to air, unspecified"
    ],
    "cas_numbers": [
      "1746-01-6"
    ],
    "ec_numbers": [
      "217-122-7"
    ],
    "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

2,3,7,8-tetrachlorodibenzo-p-dioxin

Identity

Context

Alternative labels

Source lists

Concept associations

Characterisation factors

History

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