Tert-butyl Methyl Ether
08a91e70-3ddc-11dd-9934-0050c2490048
Identity
- Substance
- fo-a935acb263b1c533 Neutral molecule
- Source
- EF 3.1
- Unit
- kg
- Context
- Environmental → Air → Unknown
- CAS
- 1634-04-4
- EC
- 216-653-1
Context
- Dimension
- Environmental
- Media
- Air
- Strata
- Unknown
Alternative labels
15- 2-Methoxy-2-methylpropane
- 2-Methyl-2-methoxypropane
- MTBE
- Methyl 1,1-dimethylethyl ether
- Methyl t-butyl ether
- Methyl tert-butyl ether
- Methyl tertiary-butyl ether
- t-Butyl methyl ether
- tert-C4H9OCH3
- 1,1-Dimethylethyl methyl ether
- tert-Butoxymethane
- Driveron
- Ether, tert-butyl methyl
- Methyl tertiary butyl ether
- Propane, 2-methoxy-2-methyl-
Source lists
6| List | Version | Source flow | Name there | Why this flow |
|---|---|---|---|---|
| EF | 3.1 | 08a91e70-3ddc-11dd-9934-0050c2490048 | tert-butyl methyl ether | The consensus list is built from this one, so this row is the flow itself rather than something matched to it. |
| agribalyse | 3.2 | 7dc3e913-e875-5cdb-acf6-53ac7acb6ad9 | t-Butyl methyl ether | The CAS numbers are the same (1634-04-4); both name the same compartment. |
| bafu | 2026-v1 | ffe54098-0524-5caf-8d97-51400de5bfdb | t-Butyl methyl ether | The CAS numbers are the same (1634-04-4); both name the same compartment. |
| ecoinvent | 3.12 | beb69352-568e-4a33-b9d4-3b5bfafc85bd | t-Butyl methyl ether | The CAS numbers are the same (1634-04-4); both name the same compartment. |
| ecoinvent | 3.8 | beb69352-568e-4a33-b9d4-3b5bfafc85bd | t-Butyl methyl ether | The CAS numbers are the same (1634-04-4); both name the same compartment. |
| stepwise | 2006-1.09 | ac237bba-9c69-55c3-bb50-65c7a898d34a | t-Butyl methyl ether | The CAS numbers are the same (1634-04-4); both name the same compartment. |
Concept associations
6| Source list | Source flow | Name there | Compartment there | Match | Conversion |
|---|---|---|---|---|---|
| EF 3.1 | 08a91e70-3ddc-11dd-9934-0050c2490048 | tert-butyl methyl ether | Emissions/Emissions to air/Emissions to air, unspecified | exactMatch | — |
| ecoinvent 3.12 | beb69352-568e-4a33-b9d4-3b5bfafc85bd | t-Butyl Methyl Ether | air / unspecified | closeMatch | — |
| ecoinvent 3.8 | beb69352-568e-4a33-b9d4-3b5bfafc85bd | t-Butyl Methyl Ether | air / unspecified | closeMatch | — |
| bafu 2026-v1 | ffe54098-0524-5caf-8d97-51400de5bfdb | t-Butyl Methyl Ether | emissions to air / unspecified | closeMatch | — |
| stepwise 2006-1.09 | ac237bba-9c69-55c3-bb50-65c7a898d34a | t-Butyl Methyl Ether | Air / (unspecified) | closeMatch | — |
| agribalyse 3.2 | 7dc3e913-e875-5cdb-acf6-53ac7acb6ad9 | t-Butyl Methyl Ether | Emissions to air | closeMatch | — |
Characterisation factors
38- consensus-flow-list 12
- European Commission — JRC 7
- 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 | Ecotoxicity, freshwater | — | 0.14879 | — |
| EF 3.1 | ecoinvent Centre | Ecotoxicity, freshwater | — | 0.14879 | — |
| EF 3.1 | GreenDelta | Ecotoxicity, freshwater | — | 0.14879 | — |
| EF 3.1 | consensus-flow-list | Ecotoxicity, freshwater | — | 0.14879 | agreed |
| EF 3.1 | European Commission — JRC | Ecotoxicity, freshwater_organics | — | 0.14879 | — |
| EF 3.1 | ecoinvent Centre | Ecotoxicity, freshwater_organics | — | 0.14879 | — |
| EF 3.1 | GreenDelta | Ecotoxicity, freshwater_organics | — | 0.14879 | — |
| EF 3.1 | consensus-flow-list | Ecotoxicity, freshwater_organics | — | 0.14879 | agreed |
| EF 3.1 | European Commission — JRC | Human toxicity, cancer | — | 5.9568e-08 | — |
| EF 3.1 | ecoinvent Centre | Human toxicity, cancer | — | 5.9568e-08 | — |
| EF 3.1 | GreenDelta | Human toxicity, cancer | — | 5.9568e-08 | — |
| EF 3.1 | consensus-flow-list | Human toxicity, cancer | — | 5.9568e-08 | agreed |
| EF 3.1 | European Commission — JRC | Human toxicity, cancer_organics | — | 5.9568e-08 | — |
| EF 3.1 | ecoinvent Centre | Human toxicity, cancer_organics | — | 5.9568e-08 | — |
| EF 3.1 | GreenDelta | Human toxicity, cancer_organics | — | 5.9568e-08 | — |
| EF 3.1 | consensus-flow-list | Human toxicity, cancer_organics | — | 5.9568e-08 | agreed |
| EF 3.1 | European Commission — JRC | Human toxicity, non-cancer | — | 3.1143e-09 | — |
| EF 3.1 | ecoinvent Centre | Human toxicity, non-cancer | — | 3.1143e-09 | — |
| EF 3.1 | GreenDelta | Human toxicity, non-cancer | — | 3.1143e-09 | — |
| EF 3.1 | consensus-flow-list | Human toxicity, non-cancer | — | 3.1143e-09 | agreed |
| EF 3.1 | European Commission — JRC | Human toxicity, non-cancer_organics | — | 3.1143e-09 | — |
| EF 3.1 | ecoinvent Centre | Human toxicity, non-cancer_organics | — | 3.1143e-09 | — |
| EF 3.1 | GreenDelta | Human toxicity, non-cancer_organics | — | 3.1143e-09 | — |
| EF 3.1 | consensus-flow-list | Human toxicity, non-cancer_organics | — | 3.1143e-09 | agreed |
| EF 3.1 | European Commission — JRC | Photochemical ozone formation - human health | — | 0.296 | — |
| EF 3.1 | ecoinvent Centre | Photochemical ozone formation - human health | — | 0.296 | — |
| EF 3.1 | GreenDelta | Photochemical ozone formation - human health | — | 0.296 | — |
| EF 3.1 | consensus-flow-list | Photochemical ozone formation - human health | — | 0.296 | agreed |
| Stepwise 2006 | 2.-0 LCA consultants | Ecotoxicity, aquatic | — | 0.334734 | — |
| Stepwise 2006 | consensus-flow-list | Ecotoxicity, aquatic | — | 0.334734 | sole |
| Stepwise 2006 | 2.-0 LCA consultants | Ecotoxicity, terrestrial | — | 0.069665 | — |
| Stepwise 2006 | consensus-flow-list | Ecotoxicity, terrestrial | — | 0.069665 | sole |
| Stepwise 2006 | 2.-0 LCA consultants | Human toxicity, non-carc. | — | 0.001322 | — |
| Stepwise 2006 | consensus-flow-list | Human toxicity, non-carc. | — | 0.001322 | sole |
| Stepwise 2006 | 2.-0 LCA consultants | Photochemical ozone, vegetat. | — | 610 | — |
| Stepwise 2006 | consensus-flow-list | Photochemical ozone, vegetat. | — | 610 | sole |
| Stepwise 2006 | 2.-0 LCA consultants | Respiratory organics | — | 0.076 | — |
| Stepwise 2006 | consensus-flow-list | Respiratory organics | — | 0.076 | sole |
History
The change log and the PROV-O trail (2 consensus changes)
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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"skos:prefLabel": "t-Butyl Methyl Ether",
"context": "Emissions to air",
"qudt:hasUnit": {
"@id": "https://vocab.brightway.one/units/unit/KiloGM"
},
"skos:closeMatch": {
"@id": "https://vocab.brightway.dev/elementary-flows/08a91e70-3ddc-11dd-9934-0050c2490048"
}
},
"xkos:targetConcept": {
"@id": "https://vocab.brightway.dev/elementary-flows/08a91e70-3ddc-11dd-9934-0050c2490048"
},
"provenance": {
"prov:wasGeneratedBy": "merge_agribalyse",
"prov:wasAttributedTo": "consensus-flow-list",
"prov:hadPrimarySource": [
"agribalyse:3.2:7dc3e913-e875-5cdb-acf6-53ac7acb6ad9",
"t-Butyl Methyl Ether",
"",
"algorithm.lookup_order=cas>ec>label",
"algorithm.basis=cas:1634-04-4",
"algorithm.flow_object_candidates=1",
"algorithm.elementary_candidates=15",
"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:1634-04-4);flow_object_candidates(1);elementary_candidates(15);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": "dedupe_altlabels",
"cas_match_labels": "consensus_match",
"concept_associations": "carry_associations_onto_flows",
"types": "link_flows_to_their_substance"
},
"cas_match_labels": {
"1634-04-4": "exactMatch"
},
"_transformed": true,
"_provided": {
"name": "tert-butyl methyl ether",
"synonyms": [
"1,1-dimethylethyl methyl ether",
"2-Methoxy-2-methylpropane",
"2-Methyl-2-methoxypropane",
"AB1002041",
"AC1L25UO",
"AC1Q44EM",
"AC1Q55PJ",
"AKOS000121105",
"B0991",
"Ether, tert-butyl methyl",
"I14-8122",
"LTBB001332",
"MTBE",
"Methyl 1,1-dimethylethyl ether",
"Methyl Tertiary Butyl Ether",
"Methyl t-butyl ether",
"Methyl tert-butyl ether",
"Methyl tertiary-butyl ether",
"Methyl-t-butyl ether",
"Methyl-tert-butyl ether",
"Propane, 2-methoxy-2-methyl-",
"S0676",
"T-BUTYL METHYL ETHER",
"tert-C4H9OCH3"
],
"context": [
"Emissions",
"Emissions to air",
"Emissions to air, unspecified"
],
"cas_numbers": [
"1634-04-4"
],
"ec_numbers": [
"216-653-1"
],
"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.
- A row from my list should not reach this flow
- This flow is not that chemical
- The compartment or the unit is wrong
- One of these characterisation factors cannot be this substance's
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