Thorium-232
fo-dd071bb59f3d2d92
Identity
- Type
- Isotope
- CAS
- 7440-29-1
- EC
- 231-139-7
- Origin
- EF 3.1 hybrid_name_cas_v1
- Changes
- 53 across every transformer
Structure
Properties
| Property | Value |
|---|---|
| Decay mode chemrof:decay_mode | IS=99.98±0.2%; α=100%; SF=1.1e-9±0.4%; 24Ne+26Ne<2.78e-10%; 2β- ? |
| Elemental charge chemrof:elemental_charge | 0 |
| Half life chemrof:half_life | 14000000000.0 |
| Has element chemrof:has_element | {'@id': 'https://vocab.brightway.dev/flow-objects/fo-1fe0b0d0552af544'} |
| InChI2D key string chemrof:inchi2d_key_string | ZSLUVFAKFWKJRC-UHFFFAOYSA-N |
| InChI2D string chemrof:inchi2d_string | InChI=1S/Th |
| Isotope isotope | {"nuclide":"232Th","mass_number":232,"atomic_mass_and_uncertainty_u":"232.038053606 ± 0.000001525","half_life_and_uncertainty":"14.0 Gy ± 0.1","decay_modes":"IS=99.98±0.2%; α=100%; SF=1.1e-9±0.4%; 24Ne+26Ne<2.78e-10%; 2β- ?","discovery_year":"1898","specific_activity_bq_per_g":"4074.5766776368","specific_activity_bq_per_g_value":4074.5766776368,"half_life_chemlin":"1.40(1)e10 years","chemlin_url":"https://www.chemlin.org/isotope/thorium-232","isomer_resolution":{"wanted_nuclide":"Th-232","expected_half_life_days":5113500000000.0,"attempted_slugs":["232"],"attempted_urls":["https://www.chemlin.org/isotope/thorium-232"],"strategy":"half_life_agrees_with_pubchem","selected_slug":"thorium-232","selected_half_life":"1.40(1)e10 years","selected_half_life_days":5113500000000.0,"half_life_ratio_to_pubchem":1.0,"alternates":[]},"symbol":"Th","isomeric_state":"","metastable":false} |
| Isotope lookup isotope_lookup | {"is_kbq_candidate":true,"matched":true,"matched_on":"Thorium-232","claimed_nuclide":"Th-232","resolved_nuclide":"Th-232","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":"IS=99.98±0.2%; α=100%; SF=1.1e-9±0.4%; 24Ne+26Ne<2.78e-10%; 2β- ?"},{"check":"half_life_sources_agree","passed":true,"detail":{"pubchem_days":5113500000000.0,"chemlin_days":5113500000000.0,"ratio":1.0}}],"reason":"","source":"pubchem_pug_view_annotation_heading","sources":["pubchem_pug_view_annotation_heading","https://www.chemlin.org"],"isomer_resolution":{"wanted_nuclide":"Th-232","expected_half_life_days":5113500000000.0,"attempted_slugs":["232"],"attempted_urls":["https://www.chemlin.org/isotope/thorium-232"],"strategy":"half_life_agrees_with_pubchem","selected_slug":"thorium-232","selected_half_life":"1.40(1)e10 years","selected_half_life_days":5113500000000.0,"half_life_ratio_to_pubchem":1.0,"alternates":[]}} |
| IUPAC name chemrof:IUPAC_name | thorium |
| Molecular formula chemrof:molecular_formula | Th |
| Molecular mass chemrof:molecular_mass | 232.038 |
| Monoisotopic mass chemrof:monoisotopic_mass | 232.038055, 232.03806 |
| Nucleon number chemrof:nucleon_number | 232 |
| 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
20Where 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
14| Flow | Context | Source | Unit | CFs |
|---|---|---|---|---|
| 2905782b-6556-11dd-ad8b-0800200c9a66 | Environmental → Air → Aircraft cruise height | EF 3.1 | kBq | 0 |
| 08a91e70-3ddc-11dd-9981-0050c2490048 | Environmental → Air → Ground level → Urban (>1000 people/square mile) | EF 3.1 | kBq | 0 |
| 08a91e70-3ddc-11dd-9980-0050c2490048 | Environmental → Air → Long-term | EF 3.1 | kBq | 0 |
| 08a91e70-3ddc-11dd-9982-0050c2490048 | Environmental → Air → Medium stack, <150 meters → Rural (<1000 people/square mile) | EF 3.1 | kBq | 0 |
| 08a91e70-3ddc-11dd-997f-0050c2490048 | Environmental → Air → Unknown | EF 3.1 | kBq | 0 |
| 08a91e70-3ddc-11dd-997d-0050c2490048 | Environmental → Ground → Agricultural | EF 3.1 | kBq | 0 |
| 08a91e70-3ddc-11dd-9986-0050c2490048 | Environmental → Ground → Non-agricultural | EF 3.1 | kBq | 0 |
| 08a91e70-3ddc-11dd-997e-0050c2490048 | Environmental → Ground → Unknown | EF 3.1 | kBq | 0 |
| 08a91e70-3ddc-11dd-9984-0050c2490048 | Environmental → Water → Long-term | EF 3.1 | kBq | 0 |
| 08a91e70-3ddc-11dd-9987-0050c2490048 | Environmental → Water → Ocean | EF 3.1 | kBq | 0 |
| 1fff912b5bc883f160edd13da3f0656f0924b441 | Environmental → Water → River | bafu algorithm addition | kBq | 0 |
| 08a91e70-3ddc-11dd-9983-0050c2490048 | Environmental → Water → Surface water | EF 3.1 | kBq | 0 |
| 9d294788a2948b796dab83298dd71c9e9a26a45a | Environmental → Water → Unconfined aquifer | ecoinvent algorithm addition | kBq | 0 |
| 08a91e70-3ddc-11dd-9985-0050c2490048 | Environmental → Water → Unknown | EF 3.1 | kBq | 0 |
History
Everything that changed this substance (53 changes)
Full record
Flow object JSON
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}Something wrong here?
- This substance is published under the wrong name
- This is not that chemical
- This record is two substances, or it is a second copy of one
You do not need to run a build or clone anything. Name the record and say what your evidence is; the measurement is done for you. How contributing works