Radium-226
fo-37192d83d3c232cf
Identity
- Type
- Isotope
- CAS
- 13982-63-3
- EC
- —
- Origin
- EF 3.1 hybrid_name_cas_v1
- Changes
- 51 across every transformer
Structure
This substance carries 4 candidate structures; the diagram is the first one RDKit could parse, not a settled answer.
Properties
| Property | Value |
|---|---|
| Decay mode chemrof:decay_mode | α=100%; 14C=2.6e-9±0.6%; 2β- ? |
| Elemental charge chemrof:elemental_charge | 0 |
| Half life chemrof:half_life | 1600.0 |
| Has element chemrof:has_element | {'@id': 'https://vocab.brightway.dev/flow-objects/fo-611748cc803ce39c'} |
| InChI2D key string chemrof:inchi2d_key_string | DQXWBJUMYKQGMA-GLJCYROLSA-N, HCWPIIXVSYCSAN-IGMARMGPSA-N |
| InChI2D string chemrof:inchi2d_string | InChI=1S/Ra.2H/i1+0;;, InChI=1S/Ra/i1+0 |
| Isomeric SMILES string chemrof:isomeric_smiles_string | [226RaH2], [226Ra] |
| Isotope isotope | {"nuclide":"226Ra","mass_number":226,"atomic_mass_and_uncertainty_u":"226.025408186 ± 0.000002068","half_life_and_uncertainty":"1.600 ky ± 0.007","decay_modes":"α=100%; 14C=2.6e-9±0.6%; 2β- ?","discovery_year":"1898","specific_activity_bq_per_g":"36600962950.947","specific_activity_bq_per_g_value":36600962950.947,"half_life_chemlin":"1600(7) years","chemlin_url":"https://www.chemlin.org/isotope/radium-226","isomer_resolution":{"wanted_nuclide":"Ra-226","expected_half_life_days":584400.0,"attempted_slugs":["226"],"attempted_urls":["https://www.chemlin.org/isotope/radium-226"],"strategy":"half_life_agrees_with_pubchem","selected_slug":"radium-226","selected_half_life":"1600(7) years","selected_half_life_days":584400.0,"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-226","claimed_nuclide":"Ra-226","resolved_nuclide":"Ra-226","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%; 14C=2.6e-9±0.6%; 2β- ?"},{"check":"half_life_sources_agree","passed":true,"detail":{"pubchem_days":584400.0,"chemlin_days":584400.0,"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-226","expected_half_life_days":584400.0,"attempted_slugs":["226"],"attempted_urls":["https://www.chemlin.org/isotope/radium-226"],"strategy":"half_life_agrees_with_pubchem","selected_slug":"radium-226","selected_half_life":"1600(7) years","selected_half_life_days":584400.0,"half_life_ratio_to_pubchem":1.0,"alternates":[]}} |
| IUPAC name chemrof:IUPAC_name | radium-226 |
| Molecular formula chemrof:molecular_formula | H2, H2Ra, Ra |
| Nucleon number chemrof:nucleon_number | 226 |
| 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
13Where 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.
Elementary flows
15| Flow | Context | Source | Unit | CFs |
|---|---|---|---|---|
| 32cc1039-6556-11dd-ad8b-0800200c9a66 | Environmental → Air → Aircraft cruise height | EF 3.1 | kBq | 1 |
| 08a91e70-3ddc-11dd-98bd-0050c2490048 | Environmental → Air → Ground level → Urban (>1000 people/square mile) | EF 3.1 | kBq | 1 |
| fe0acd60-3ddc-11dd-aba7-0050c2490048 | Environmental → Air → Long-term | EF 3.1 | kBq | 1 |
| 08a91e70-3ddc-11dd-98be-0050c2490048 | Environmental → Air → Medium stack, <150 meters → Rural (<1000 people/square mile) | EF 3.1 | kBq | 1 |
| fe0acd60-3ddc-11dd-aba6-0050c2490048 | Environmental → Air → Unknown | EF 3.1 | kBq | 1 |
| 32cc1038-6556-11dd-ad8b-0800200c9a66 | Environmental → Ground → Agricultural | EF 3.1 | kBq | 0 |
| 32cc103a-6556-11dd-ad8b-0800200c9a66 | Environmental → Ground → Non-agricultural | EF 3.1 | kBq | 0 |
| 32cc103b-6556-11dd-ad8b-0800200c9a66 | Environmental → Ground → Unknown | EF 3.1 | kBq | 0 |
| 02bb8f103459c8faeb5c972145e47e06b8cfeee3 | Environmental → Water → Lake | bafu algorithm addition | Bq | 0 |
| 08a91e70-3ddc-11dd-98c0-0050c2490048 | Environmental → Water → Long-term | EF 3.1 | kBq | 1 |
| 08a91e70-3ddc-11dd-98c2-0050c2490048 | Environmental → Water → Ocean | EF 3.1 | kBq | 1 |
| a169a4be654ee1ce0a4b7ff51aff1aa1e45192cb | Environmental → Water → River | bafu algorithm addition | Bq | 0 |
| 08a91e70-3ddc-11dd-98bf-0050c2490048 | Environmental → Water → Surface water | EF 3.1 | kBq | 1 |
| 5e868a4991991ddd54e9dcde50b486b7329727ac | Environmental → Water → Unconfined aquifer | ecoinvent algorithm addition | kBq | 0 |
| 08a91e70-3ddc-11dd-98c1-0050c2490048 | Environmental → Water → Unknown | EF 3.1 | kBq | 1 |
History
Everything that changed this substance (51 changes)
Full record
Flow object JSON
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