Consensus flow list

Strontium-90

fo-33c131efe4e15a47

Identity

Type
Isotope
CAS
10098-97-2
EC
—
Origin
EF 3.1 hybrid_name_cas_v1
Changes
50 across every transformer

Structure

Structure diagram for Strontium-90

This substance carries 2 candidate structures; the diagram is the first one RDKit could parse, not a settled answer.

Properties

PropertyValue
Decay mode chemrof:decay_mode β-=100%
Half life chemrof:half_life 28.91
Has element chemrof:has_element {'@id': 'https://vocab.brightway.dev/flow-objects/fo-d849427648e608ee'}
InChI2D key string chemrof:inchi2d_key_string CIOAGBVUUVVLOB-NJFSPNSNSA-N
InChI2D string chemrof:inchi2d_string InChI=1S/Sr/i1+2
Isomeric SMILES string chemrof:isomeric_smiles_string [90Sr]
Isotope isotope {"nuclide":"90Sr","mass_number":90,"atomic_mass_and_uncertainty_u":"89.907727870 ± 0.000001555","half_life_and_uncertainty":"28.91 y ± 0.03","decay_modes":"β-=100%","discovery_year":"1948","specific_activity_bq_per_g":"5092423668162.6","specific_activity_bq_per_g_value":5092423668162.6,"half_life_chemlin":"28.91(3) years","chemlin_url":"https://www.chemlin.org/isotope/strontium-90","isomer_resolution":{"wanted_nuclide":"Sr-90","expected_half_life_days":10559.3775,"attempted_slugs":["90"],"attempted_urls":["https://www.chemlin.org/isotope/strontium-90"],"strategy":"half_life_agrees_with_pubchem","selected_slug":"strontium-90","selected_half_life":"28.91(3) years","selected_half_life_days":10559.3775,"half_life_ratio_to_pubchem":1.0,"alternates":[]},"symbol":"Sr","isomeric_state":"","metastable":false}
Isotope lookup isotope_lookup {"is_kbq_candidate":true,"matched":true,"matched_on":"Strontium-90","claimed_nuclide":"Sr-90","resolved_nuclide":"Sr-90","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":10559.3775,"chemlin_days":10559.3775,"ratio":1.0}}],"reason":"","source":"pubchem_pug_view_annotation_heading","sources":["pubchem_pug_view_annotation_heading","https://www.chemlin.org"],"isomer_resolution":{"wanted_nuclide":"Sr-90","expected_half_life_days":10559.3775,"attempted_slugs":["90"],"attempted_urls":["https://www.chemlin.org/isotope/strontium-90"],"strategy":"half_life_agrees_with_pubchem","selected_slug":"strontium-90","selected_half_life":"28.91(3) years","selected_half_life_days":10559.3775,"half_life_ratio_to_pubchem":1.0,"alternates":[]}}
IUPAC name chemrof:IUPAC_name strontium-90
Molecular formula chemrof:molecular_formula Sr
Molecular mass chemrof:molecular_mass 89.908
Monoisotopic mass chemrof:monoisotopic_mass 89.907738
Nucleon number chemrof:nucleon_number 90
Relationships relationships {"parent_element_flow_object_id":"fo-d849427648e608ee","relationship_type":"isotope_of"}
SMILES string chemrof:smiles_string [Sr]
Symbol chemrof:symbol Sr

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=10098-97-2 enrich_references.pubchem_identifier_url
ChemLin https://www.chemlin.org —
ChemLin https://www.chemlin.org/isotope/strontium-90 —
gsrs.ncats.nih.gov https://gsrs.ncats.nih.gov/ginas/app/beta/substances/5TZZ77Z4ER enrich_references.pubchem_identifier_url
ncithesaurus.nci.nih.gov https://ncithesaurus.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI_Thesaurus&ns=ncit&code=C29776 enrich_references.pubchem_identifier_url
PubChem https://pubchem.ncbi.nlm.nih.gov/compound/5486204 enrich_references.pubchem_compound
PubChem https://pubchem.ncbi.nlm.nih.gov/element/38 —
PubChem https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/element/38/JSON —
wikidata.org https://www.wikidata.org/wiki/Q544529 enrich_references.pubchem_identifier_url

Elementary flows

14
Flow Context Source Unit CFs
29063b74-6556-11dd-ad8b-0800200c9a66 Environmental → Air → Aircraft cruise height EF 3.1 kBq 0
29063b78-6556-11dd-ad8b-0800200c9a66 Environmental → Air → Ground level → Urban (>1000 people/square mile) EF 3.1 kBq 0
29063b73-6556-11dd-ad8b-0800200c9a66 Environmental → Air → Long-term EF 3.1 kBq 0
29063b76-6556-11dd-ad8b-0800200c9a66 Environmental → Air → Medium stack, <150 meters → Rural (<1000 people/square mile) EF 3.1 kBq 0
29063b72-6556-11dd-ad8b-0800200c9a66 Environmental → Air → Unknown EF 3.1 kBq 0
29063b71-6556-11dd-ad8b-0800200c9a66 Environmental → Ground → Agricultural EF 3.1 kBq 0
29063b75-6556-11dd-ad8b-0800200c9a66 Environmental → Ground → Non-agricultural EF 3.1 kBq 0
29063b77-6556-11dd-ad8b-0800200c9a66 Environmental → Ground → Unknown EF 3.1 kBq 0
4d9a8790-3ddd-11dd-926d-0050c2490048 Environmental → Water → Long-term EF 3.1 kBq 1
fe0acd60-3ddc-11dd-9f07-0050c2490048 Environmental → Water → Ocean EF 3.1 kBq 1
8cc65ae1f30fb2fa2acf245d345bdbbb0f7991c9 Environmental → Water → River bafu algorithm addition Bq 0
4d9a8790-3ddd-11dd-926c-0050c2490048 Environmental → Water → Surface water EF 3.1 kBq 1
ff443d73d919634586c5d78b0ae19dc437791f8c Environmental → Water → Unconfined aquifer ecoinvent algorithm addition kBq 0
4d9a8790-3ddd-11dd-926e-0050c2490048 Environmental → Water → Unknown EF 3.1 kBq 1

History

Everything that changed this substance (50 changes)

Open the changes page

Full record

Flow object JSON 
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  "@type": [
    "https://w3id.org/chemrof/Isotope",
    "https://w3id.org/chemrof/Radionuclide"
  ]
}

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