Consensus flow list

Radon-220

fo-865acbf4d6a03e81

Identity

Type
Isotope
CAS
22481-48-7
EC
—
Origin
EF 3.1 hybrid_name_cas_v1
Changes
52 across every transformer

Structure

Structure diagram for Radon-220

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

Alternative labels

4

Properties

PropertyValue
Decay mode chemrof:decay_mode α=100%; 2β- ?
Elemental charge chemrof:elemental_charge 0
Half life chemrof:half_life 1.7618576824600094e-06
Has element chemrof:has_element {'@id': 'https://vocab.brightway.dev/flow-objects/fo-37b91965500c706c'}
InChI2D key string chemrof:inchi2d_key_string SYUHGPGVQRZVTB-YPZZEJLDSA-N
InChI2D string chemrof:inchi2d_string InChI=1S/Rn/i1-2
Isomeric SMILES string chemrof:isomeric_smiles_string [220Rn]
Isotope isotope {"nuclide":"220Rn","mass_number":220,"atomic_mass_and_uncertainty_u":"220.011392443 ± 0.000001947","half_life_and_uncertainty":"55.6 s ± 0.1","decay_modes":"α=100%; 2β- ?","discovery_year":"1900","specific_activity_bq_per_g":"3.4123722556567e+19","specific_activity_bq_per_g_value":3.4123722556567e+19,"half_life_chemlin":"55.6(1) s","chemlin_url":"https://www.chemlin.org/isotope/radon-220","isomer_resolution":{"wanted_nuclide":"Rn-220","expected_half_life_days":0.0006435185185185185,"attempted_slugs":["220"],"attempted_urls":["https://www.chemlin.org/isotope/radon-220"],"strategy":"half_life_agrees_with_pubchem","selected_slug":"radon-220","selected_half_life":"55.6(1) s","selected_half_life_days":0.0006435185185185185,"half_life_ratio_to_pubchem":1.0,"alternates":[]},"symbol":"Rn","isomeric_state":"","metastable":false}
Isotope lookup isotope_lookup {"is_kbq_candidate":true,"matched":true,"matched_on":"Radon-220","claimed_nuclide":"Rn-220","resolved_nuclide":"Rn-220","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%; 2β- ?"},{"check":"half_life_sources_agree","passed":true,"detail":{"pubchem_days":0.0006435185185185185,"chemlin_days":0.0006435185185185185,"ratio":1.0}}],"reason":"","source":"pubchem_pug_view_annotation_heading","sources":["pubchem_pug_view_annotation_heading","https://www.chemlin.org"],"isomer_resolution":{"wanted_nuclide":"Rn-220","expected_half_life_days":0.0006435185185185185,"attempted_slugs":["220"],"attempted_urls":["https://www.chemlin.org/isotope/radon-220"],"strategy":"half_life_agrees_with_pubchem","selected_slug":"radon-220","selected_half_life":"55.6(1) s","selected_half_life_days":0.0006435185185185185,"half_life_ratio_to_pubchem":1.0,"alternates":[]}}
IUPAC name chemrof:IUPAC_name thoron
Molecular formula chemrof:molecular_formula Rn, [220Rn]
Molecular mass chemrof:molecular_mass 220.011
Monoisotopic mass chemrof:monoisotopic_mass 220.01139, 220.011394
Nucleon number chemrof:nucleon_number 220
Relationships relationships {"parent_element_flow_object_id":"fo-37b91965500c706c","relationship_type":"isotope_of"}
SMILES string chemrof:smiles_string [Rn]
Symbol chemrof:symbol Rn

Known URLs

10

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=22481-48-7 enrich_references.chebi_xrefs
ChEBI https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:33491 enrich_references.chebi_id_link
ChemLin https://www.chemlin.org —
ChemLin https://www.chemlin.org/isotope/radon-220 —
comptox.epa.gov https://comptox.epa.gov/dashboard/DTXSID90945158 enrich_references.pubchem_identifier_url
gmelin gmelin:297037 enrich_references.chebi_xrefs
PubChem https://pubchem.ncbi.nlm.nih.gov/compound/62761 enrich_references.pubchem_compound
PubChem https://pubchem.ncbi.nlm.nih.gov/element/86 —
PubChem https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/element/86/JSON —
wikidata.org https://www.wikidata.org/wiki/Q3280563 enrich_references.pubchem_identifier_url

Elementary flows

12
Flow Context Source Unit CFs
3e4cb457-6556-11dd-ad8b-0800200c9a66 Environmental → Air → Aircraft cruise height EF 3.1 kBq 0
fe0acd60-3ddc-11dd-abae-0050c2490048 Environmental → Air → Ground level → Urban (>1000 people/square mile) EF 3.1 kBq 0
fe0acd60-3ddc-11dd-abad-0050c2490048 Environmental → Air → Long-term EF 3.1 kBq 0
fe0acd60-3ddc-11dd-abaf-0050c2490048 Environmental → Air → Medium stack, <150 meters → Rural (<1000 people/square mile) EF 3.1 kBq 0
fe0acd60-3ddc-11dd-abac-0050c2490048 Environmental → Air → Unknown EF 3.1 kBq 0
3e4cb455-6556-11dd-ad8b-0800200c9a66 Environmental → Ground → Agricultural EF 3.1 kBq 0
3e4cb458-6556-11dd-ad8b-0800200c9a66 Environmental → Ground → Non-agricultural EF 3.1 kBq 0
3e4cb45a-6556-11dd-ad8b-0800200c9a66 Environmental → Ground → Unknown EF 3.1 kBq 0
3e4cb45c-6556-11dd-ad8b-0800200c9a66 Environmental → Water → Long-term EF 3.1 kBq 0
3e4cb459-6556-11dd-ad8b-0800200c9a66 Environmental → Water → Ocean EF 3.1 kBq 0
3e4cb456-6556-11dd-ad8b-0800200c9a66 Environmental → Water → Surface water EF 3.1 kBq 0
3e4cb45b-6556-11dd-ad8b-0800200c9a66 Environmental → Water → Unknown EF 3.1 kBq 0

History

Everything that changed this substance (52 changes)

Open the changes page

Full record

Flow object JSON 
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      "state_resolution": {
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