Consensus flow list

Thorium-228

fo-b47b39d0905a308b

Identity

Type
Isotope
CAS
14274-82-9
EC
—
Origin
EF 3.1 hybrid_name_cas_v1
Changes
50 across every transformer

Structure

Structure diagram for Thorium-228

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 α=100%; 20O=1.13e-11±2.2%
Half life chemrof:half_life 1.9125
Has element chemrof:has_element {'@id': 'https://vocab.brightway.dev/flow-objects/fo-1fe0b0d0552af544'}
InChI2D key string chemrof:inchi2d_key_string ZSLUVFAKFWKJRC-AHCXROLUSA-N
InChI2D string chemrof:inchi2d_string InChI=1S/Th/i1-4
Isomeric SMILES string chemrof:isomeric_smiles_string [228Th]
Isotope isotope {"nuclide":"228Th","mass_number":228,"atomic_mass_and_uncertainty_u":"228.028739741 ± 0.000001938","half_life_and_uncertainty":"1.9125 y ± 0.0007","decay_modes":"α=100%; 20O=1.13e-11±2.2%","discovery_year":"1905","specific_activity_bq_per_g":"30344905354436","specific_activity_bq_per_g_value":30344905354436.0,"half_life_chemlin":"1.9116(16) years","chemlin_url":"https://www.chemlin.org/isotope/thorium-228","isomer_resolution":{"wanted_nuclide":"Th-228","expected_half_life_days":698.540625,"attempted_slugs":["228"],"attempted_urls":["https://www.chemlin.org/isotope/thorium-228"],"strategy":"half_life_agrees_with_pubchem","selected_slug":"thorium-228","selected_half_life":"1.9116(16) years","selected_half_life_days":698.2119,"half_life_ratio_to_pubchem":0.9995294117647059,"alternates":[]},"symbol":"Th","isomeric_state":"","metastable":false}
Isotope lookup isotope_lookup {"is_kbq_candidate":true,"matched":true,"matched_on":"Thorium-228","claimed_nuclide":"Th-228","resolved_nuclide":"Th-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":"α=100%; 20O=1.13e-11±2.2%"},{"check":"half_life_sources_agree","passed":true,"detail":{"pubchem_days":698.540625,"chemlin_days":698.2119,"ratio":1.0004708097928436}}],"reason":"","source":"pubchem_pug_view_annotation_heading","sources":["pubchem_pug_view_annotation_heading","https://www.chemlin.org"],"isomer_resolution":{"wanted_nuclide":"Th-228","expected_half_life_days":698.540625,"attempted_slugs":["228"],"attempted_urls":["https://www.chemlin.org/isotope/thorium-228"],"strategy":"half_life_agrees_with_pubchem","selected_slug":"thorium-228","selected_half_life":"1.9116(16) years","selected_half_life_days":698.2119,"half_life_ratio_to_pubchem":0.9995294117647059,"alternates":[]}}
IUPAC name chemrof:IUPAC_name thorium-228
Molecular formula chemrof:molecular_formula Th
Molecular mass chemrof:molecular_mass 228.029
Monoisotopic mass chemrof:monoisotopic_mass 228.028741
Nucleon number chemrof:nucleon_number 228
Relationships relationships {"parent_element_flow_object_id":"fo-1fe0b0d0552af544","relationship_type":"isotope_of"}
SMILES string chemrof:smiles_string [Th]
Symbol chemrof:symbol Th

Known URLs

8

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=14274-82-9 enrich_references.pubchem_identifier_url
ChemLin https://www.chemlin.org —
ChemLin https://www.chemlin.org/isotope/thorium-228 —
comptox.epa.gov https://comptox.epa.gov/dashboard/DTXSID00891778 enrich_references.pubchem_identifier_url
PubChem https://pubchem.ncbi.nlm.nih.gov/compound/61724 enrich_references.pubchem_compound
PubChem https://pubchem.ncbi.nlm.nih.gov/element/90 —
PubChem https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/element/90/JSON —
wikidata.org https://www.wikidata.org/wiki/Q81987540 enrich_references.pubchem_identifier_url

Elementary flows

14
Flow Context Source Unit CFs
32ccd37d-6556-11dd-ad8b-0800200c9a66 Environmental → Air → Aircraft cruise height EF 3.1 kBq 0
fe0acd60-3ddc-11dd-ac87-0050c2490048 Environmental → Air → Ground level → Urban (>1000 people/square mile) EF 3.1 kBq 0
fe0acd60-3ddc-11dd-ac86-0050c2490048 Environmental → Air → Long-term EF 3.1 kBq 0
fe0acd60-3ddc-11dd-ac88-0050c2490048 Environmental → Air → Medium stack, <150 meters → Rural (<1000 people/square mile) EF 3.1 kBq 0
fe0acd60-3ddc-11dd-ac85-0050c2490048 Environmental → Air → Unknown EF 3.1 kBq 0
32ccd37c-6556-11dd-ad8b-0800200c9a66 Environmental → Ground → Agricultural EF 3.1 kBq 0
32ccd37e-6556-11dd-ad8b-0800200c9a66 Environmental → Ground → Non-agricultural EF 3.1 kBq 0
32ccd37f-6556-11dd-ad8b-0800200c9a66 Environmental → Ground → Unknown EF 3.1 kBq 0
08a91e70-3ddc-11dd-9973-0050c2490048 Environmental → Water → Long-term EF 3.1 kBq 0
08a91e70-3ddc-11dd-9975-0050c2490048 Environmental → Water → Ocean EF 3.1 kBq 0
2f345e26907978ad54d3ad15d0668373b452fcf3 Environmental → Water → River bafu algorithm addition Bq 0
08a91e70-3ddc-11dd-9972-0050c2490048 Environmental → Water → Surface water EF 3.1 kBq 0
adb46f2bedf0f5afa3314309f9ce7a742300aff9 Environmental → Water → Unconfined aquifer ecoinvent algorithm addition kBq 0
08a91e70-3ddc-11dd-9974-0050c2490048 Environmental → Water → Unknown EF 3.1 kBq 0

History

Everything that changed this substance (50 changes)

Open the changes page

Full record

Flow object JSON 
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      "half_life_and_uncertainty": "1.9125 y ± 0.0007",
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      "isomeric_state": "",
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}

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