Consensus flow list

Radium-228

fo-0dc13c3f0c4d1522

Identity

Type
Isotope
CAS
15262-20-1
EC
—
Origin
EF 3.1 hybrid_name_cas_v1
Changes
51 across every transformer

Structure

Structure diagram for Radium-228

This substance carries 4 candidate structures; the diagram is the first one RDKit could parse, not a settled answer.

Properties

PropertyValue
Decay mode chemrof:decay_mode β-=100%
Elemental charge chemrof:elemental_charge 0
Half life chemrof:half_life 5.75
Has element chemrof:has_element {'@id': 'https://vocab.brightway.dev/flow-objects/fo-611748cc803ce39c'}
InChI2D key string chemrof:inchi2d_key_string DQXWBJUMYKQGMA-AEAMRFAVSA-N, HCWPIIXVSYCSAN-NJFSPNSNSA-N
InChI2D string chemrof:inchi2d_string InChI=1S/Ra.2H/i1+2;;, InChI=1S/Ra/i1+2
Isomeric SMILES string chemrof:isomeric_smiles_string [228RaH2], [228Ra]
Isotope isotope {"nuclide":"228Ra","mass_number":228,"atomic_mass_and_uncertainty_u":"228.031068574 ± 0.000002141","half_life_and_uncertainty":"5.75 y ± 0.03","decay_modes":"β-=100%","discovery_year":"1907","specific_activity_bq_per_g":"10088342219342","specific_activity_bq_per_g_value":10088342219342.0,"half_life_chemlin":"5.75(3) years","chemlin_url":"https://www.chemlin.org/isotope/radium-228","isomer_resolution":{"wanted_nuclide":"Ra-228","expected_half_life_days":2100.1875,"attempted_slugs":["228"],"attempted_urls":["https://www.chemlin.org/isotope/radium-228"],"strategy":"half_life_agrees_with_pubchem","selected_slug":"radium-228","selected_half_life":"5.75(3) years","selected_half_life_days":2100.1875,"half_life_ratio_to_pubchem":1.0,"alternates":[]},"symbol":"Ra","isomeric_state":"","metastable":false}
Isotope lookup isotope_lookup {"is_kbq_candidate":true,"matched":true,"matched_on":"Radium-228","claimed_nuclide":"Ra-228","resolved_nuclide":"Ra-228","state_resolution":{"claimed_state":"","selected_state":"","strategy":"state_taken_as_written","candidates":[]},"checks":[{"check":"ground_state_does_not_decay_by_isomeric_transition","passed":true,"detail":"β-=100%"},{"check":"half_life_sources_agree","passed":true,"detail":{"pubchem_days":2100.1875,"chemlin_days":2100.1875,"ratio":1.0}}],"reason":"","source":"pubchem_pug_view_annotation_heading","sources":["pubchem_pug_view_annotation_heading","https://www.chemlin.org"],"isomer_resolution":{"wanted_nuclide":"Ra-228","expected_half_life_days":2100.1875,"attempted_slugs":["228"],"attempted_urls":["https://www.chemlin.org/isotope/radium-228"],"strategy":"half_life_agrees_with_pubchem","selected_slug":"radium-228","selected_half_life":"5.75(3) years","selected_half_life_days":2100.1875,"half_life_ratio_to_pubchem":1.0,"alternates":[]}}
IUPAC name chemrof:IUPAC_name radium-228
Molecular formula chemrof:molecular_formula H2, H2Ra, Ra
Nucleon number chemrof:nucleon_number 228
Relationships relationships {"parent_element_flow_object_id":"fo-611748cc803ce39c","relationship_type":"isotope_of"}
SMILES string chemrof:smiles_string [RaH2], [Ra]
Symbol chemrof:symbol Ra

Known URLs

9

Where else this substance is described. Collected while the pipeline resolved it — from ChEBI's cross-references, from PubChem's identifier list, and from the CAS number — so a link here is a record the merge actually read, not a search it suggests.

Resource URL Recorded by
CAS Common Chemistry https://commonchemistry.cas.org/detail?cas_rn=15262-20-1 enrich_references.chebi_xrefs
ChEBI https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:80505 enrich_references.chebi_id_link
ChemLin https://www.chemlin.org —
ChemLin https://www.chemlin.org/isotope/radium-228 —
comptox.epa.gov https://comptox.epa.gov/dashboard/DTXSID6050415 enrich_references.pubchem_identifier_url
KEGG https://www.genome.jp/entry/C16457 enrich_references.chebi_xrefs
PubChem https://pubchem.ncbi.nlm.nih.gov/compound/6328553 enrich_references.pubchem_compound
PubChem https://pubchem.ncbi.nlm.nih.gov/element/88 —
PubChem https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/element/88/JSON —

Elementary flows

14
Flow Context Source Unit CFs
3e4c661a-6556-11dd-ad8b-0800200c9a66 Environmental → Air → Aircraft cruise height EF 3.1 kBq 0
08a91e70-3ddc-11dd-98c5-0050c2490048 Environmental → Air → Ground level → Urban (>1000 people/square mile) EF 3.1 kBq 0
08a91e70-3ddc-11dd-98c4-0050c2490048 Environmental → Air → Long-term EF 3.1 kBq 0
08a91e70-3ddc-11dd-98c6-0050c2490048 Environmental → Air → Medium stack, <150 meters → Rural (<1000 people/square mile) EF 3.1 kBq 0
08a91e70-3ddc-11dd-98c3-0050c2490048 Environmental → Air → Unknown EF 3.1 kBq 0
3e4c6619-6556-11dd-ad8b-0800200c9a66 Environmental → Ground → Agricultural EF 3.1 kBq 0
3e4c661b-6556-11dd-ad8b-0800200c9a66 Environmental → Ground → Non-agricultural EF 3.1 kBq 0
3e4c661c-6556-11dd-ad8b-0800200c9a66 Environmental → Ground → Unknown EF 3.1 kBq 0
fe0acd60-3ddc-11dd-aba8-0050c2490048 Environmental → Water → Long-term EF 3.1 kBq 0
fe0acd60-3ddc-11dd-abaa-0050c2490048 Environmental → Water → Ocean EF 3.1 kBq 0
c0108b3e311ac69b56469efd0e7dabdd11f47613 Environmental → Water → River bafu algorithm addition Bq 0
08a91e70-3ddc-11dd-98c7-0050c2490048 Environmental → Water → Surface water EF 3.1 kBq 0
20fdef4690794970497ccde5b6a090247288f36e Environmental → Water → Unconfined aquifer ecoinvent algorithm addition kBq 0
fe0acd60-3ddc-11dd-aba9-0050c2490048 Environmental → Water → Unknown EF 3.1 kBq 0

History

Everything that changed this substance (51 changes)

Open the changes page

Full record

Flow object JSON 
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        "https://w3id.org/chemrof/Isotope",
        "https://w3id.org/chemrof/Radionuclide"
      ],
      "provenance": {
        "prov:wasGeneratedBy": "semantic_typing.classify",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:wasDerivedFrom": "semantic_typing.rule.isotope_record"
      }
    }
  },
  "classifications": {
    "http://semanticscience.org/resource/CHEMINF_000446": {
      "@value": [
        "15262-20-1"
      ],
      "rdfs:seeAlso": [
        "https://commonchemistry.cas.org/detail?cas_rn=15262-20-1"
      ],
      "http://www.w3.org/2004/02/skos/core#exactMatch": [
        {
          "@id": "https://commonchemistry.cas.org/detail?cas_rn=15262-20-1"
        }
      ],
      "provenance": {
        "prov:wasGeneratedBy": "hybrid_name_cas_v1",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "EF 3.1"
        ],
        "prov:wasDerivedFrom": "cas_numbers"
      }
    }
  },
  "origin_qualifier": null,
  "parent_flow_object_id": null,
  "parent_intervention_id": null,
  "@type": [
    "https://w3id.org/chemrof/Isotope",
    "https://w3id.org/chemrof/Radionuclide"
  ]
}

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