Americium-241
fo-05ff396e7ff3d281
Identity
- Type
- Isotope
- CAS
- 86954-36-1
- EC
- —
- Origin
- EF 3.1 hybrid_name_cas_v1
- Changes
- 50 across every transformer
Structure
This substance carries 2 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%; SF=3.6e-10±0.9% |
| Half life chemrof:half_life | 432.6 |
| Has element chemrof:has_element | {'@id': 'https://vocab.brightway.dev/flow-objects/fo-9d8c8a352fa45687'} |
| InChI2D key string chemrof:inchi2d_key_string | LXQXZNRPTYVCNG-YPZZEJLDSA-N |
| InChI2D string chemrof:inchi2d_string | InChI=1S/Am/i1-2 |
| Isomeric SMILES string chemrof:isomeric_smiles_string | [241Am] |
| Isotope isotope | {"nuclide":"241Am","mass_number":241,"atomic_mass_and_uncertainty_u":"241.056827343 ± 0.000001195","half_life_and_uncertainty":"432.6 y ± 0.6","decay_modes":"α=100%; SF=3.6e-10±0.9%","discovery_year":"1949","specific_activity_bq_per_g":"126929615576.68","specific_activity_bq_per_g_value":126929615576.68,"half_life_chemlin":"432.6(6) years","chemlin_url":"https://www.chemlin.org/isotope/americium-241","isomer_resolution":{"wanted_nuclide":"Am-241","expected_half_life_days":158007.15,"attempted_slugs":["241"],"attempted_urls":["https://www.chemlin.org/isotope/americium-241"],"strategy":"half_life_agrees_with_pubchem","selected_slug":"americium-241","selected_half_life":"432.6(6) years","selected_half_life_days":158007.15,"half_life_ratio_to_pubchem":1.0,"alternates":[]},"symbol":"Am","isomeric_state":"","metastable":false} |
| Isotope lookup isotope_lookup | {"is_kbq_candidate":true,"matched":true,"matched_on":"Americium-241","claimed_nuclide":"Am-241","resolved_nuclide":"Am-241","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%; SF=3.6e-10±0.9%"},{"check":"half_life_sources_agree","passed":true,"detail":{"pubchem_days":158007.15,"chemlin_days":158007.15,"ratio":1.0}}],"reason":"","source":"pubchem_pug_view_annotation_heading","sources":["pubchem_pug_view_annotation_heading","https://www.chemlin.org"],"isomer_resolution":{"wanted_nuclide":"Am-241","expected_half_life_days":158007.15,"attempted_slugs":["241"],"attempted_urls":["https://www.chemlin.org/isotope/americium-241"],"strategy":"half_life_agrees_with_pubchem","selected_slug":"americium-241","selected_half_life":"432.6(6) years","selected_half_life_days":158007.15,"half_life_ratio_to_pubchem":1.0,"alternates":[]}} |
| IUPAC name chemrof:IUPAC_name | americium-241 |
| Molecular formula chemrof:molecular_formula | Am |
| Molecular mass chemrof:molecular_mass | 241.057 |
| Monoisotopic mass chemrof:monoisotopic_mass | 241.056829 |
| Nucleon number chemrof:nucleon_number | 241 |
| Relationships relationships | {"parent_element_flow_object_id":"fo-9d8c8a352fa45687","relationship_type":"isotope_of"} |
| SMILES string chemrof:smiles_string | [Am] |
| Symbol chemrof:symbol | Am |
Known URLs
12Where 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 |
|---|---|---|---|---|
| 64b1a72b-6556-11dd-ad8b-0800200c9a66 | Environmental → Air → Aircraft cruise height | EF 3.1 | kBq | 0 |
| 64b1a72f-6556-11dd-ad8b-0800200c9a66 | Environmental → Air → Ground level → Urban (>1000 people/square mile) | EF 3.1 | kBq | 0 |
| 64b1a72a-6556-11dd-ad8b-0800200c9a66 | Environmental → Air → Long-term | EF 3.1 | kBq | 0 |
| 64b1a72d-6556-11dd-ad8b-0800200c9a66 | Environmental → Air → Medium stack, <150 meters → Rural (<1000 people/square mile) | EF 3.1 | kBq | 0 |
| 64b1a729-6556-11dd-ad8b-0800200c9a66 | Environmental → Air → Unknown | EF 3.1 | kBq | 0 |
| 64b1a728-6556-11dd-ad8b-0800200c9a66 | Environmental → Ground → Agricultural | EF 3.1 | kBq | 0 |
| 64b1a72c-6556-11dd-ad8b-0800200c9a66 | Environmental → Ground → Non-agricultural | EF 3.1 | kBq | 0 |
| 64b1a72e-6556-11dd-ad8b-0800200c9a66 | Environmental → Ground → Unknown | EF 3.1 | kBq | 0 |
| fe0acd60-3ddc-11dd-acd5-0050c2490048 | Environmental → Water → Long-term | EF 3.1 | kBq | 1 |
| fe0acd60-3ddc-11dd-acd7-0050c2490048 | Environmental → Water → Ocean | EF 3.1 | kBq | 1 |
| aaa93a7ef049bd87d70fac424e95aa02ca4c8839 | Environmental → Water → River | bafu algorithm addition | kBq | 0 |
| fe0acd60-3ddc-11dd-acd4-0050c2490048 | Environmental → Water → Surface water | EF 3.1 | kBq | 1 |
| d005fa4595056be7419058125e0f8a7da5c96a35 | Environmental → Water → Unconfined aquifer | ecoinvent algorithm addition | kBq | 0 |
| fe0acd60-3ddc-11dd-acd6-0050c2490048 | Environmental → Water → Unknown | EF 3.1 | kBq | 1 |
History
Everything that changed this substance (50 changes)
Full record
Flow object JSON
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