Ontology mapping
- Primary identifier
-
CHEBI:78074 - Ontology label
- tin(II) chloride dihydrate
Nutritional roles
- Role
- TRACE_ELEMENT
- Confidence
- 1.0
- Evidence
- Reference type
- DATABASE_ENTRY
- Reference text
- Imported from CultureMech pipeline
- Curator note
- Original role text: Mineral
Synonyms (9)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| SnCl2 x 2H2O | HYDRATE_FORM | kg_microbe | |
| SnCl2.2H2O | HYDRATE_FORM | kg_microbe | |
| SnCl2·2H2O | HYDRATE_FORM | kg_microbe | |
| lambda(2)-tin(2+) dihydrate dichloride | EXACT_SYNONYM | kg_microbe | |
| stannous chloride dihydrate | EXACT_SYNONYM | kg_microbe | |
| tin dichloride dihydrate | EXACT_SYNONYM | kg_microbe | |
| tin dichloride.2H2O | HYDRATE_FORM | kg_microbe | |
| tin(II) chloride dihydrate | EXACT_SYNONYM | kg_microbe | |
| Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component | RAW_TEXT | CultureMech |
Chemical properties
- Molecular formula
- 2Cl.2H2O.Sn
- Inchi
- InChI=1S/2ClH.2H2O.Sn/h2*1H;2*1H2;/q;;;;+2/p-2
- Smiles
- O.O.[Cl-].[Cl-].[Sn+2]
- Data source
- CHEBI sqlite (oaklib)
Evidence (1)
DATABASE_MATCH
via CultureMech
Imported from CultureMech pipeline, quality=DIRECT_MATCH
Occurrence statistics
- Total occurrences
- 7
- Distinct media
- 7
Curation history
| Timestamp | Curator | Action | New status | Changes |
|---|---|---|---|---|
| 2026-03-09T06:54:18.022301+00:00 | import_from_culturemech | IMPORTED | MAPPED | Initial import from CultureMech pipeline |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 8 synonyms from kg-microbe P4.4 enrichment: SnCl2 x 2H2O, SnCl2.2H2O, SnCl2·2H2O, lambda(2)-tin(2+) dihydrate dichloride, stannous chloride dihydrate, ... (3 more) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 7 synonyms from kg-microbe P4.4 enrichment: SnCl2 x 2 H2O, SnCl2 x 2H2O, SnCl2.2H2O, lambda(2)-tin(2+) dihydrate dichloride, stannous chloride dihydrate, ... (2 more) |
| 2026-04-19T07:23:20.785693+00:00 | audit_mim_merge | MERGED_FROM_DUPLICATES | MAPPED | Absorbed 1 duplicate MIM record(s) into this one: Sncl22h2o.yaml. Synonyms, curation_history, and occurrence counts were unioned/summed; winner selected by highest occurrence count with preferred_term readability tie-break. |
| 2026-05-01T07:35:36.191881+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (CHEBI primary) | |
| 2026-05-01T08:08:32.279255+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=2Cl.2H2O.Sn; inchi=InChI=1S/2ClH.2H2O.Sn/h2*1H;2*1H2;/q;;;;+2/p-2; smiles=O.O.[Cl-].[Cl-].[Sn+2] | |
| 2026-05-02T03:12:18.281910+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula)) | |
| 2026-05-29T23:35:36.112783+00:00 | extract_roles_from_synonyms | ANNOTATED | Added media role: MINERAL (confidence: 1.00) | |
| 2026-06-09T05:23:46.832035+00:00 | correct_stale_ontology_labels.py | CORRECTED | ontology_label 'SnCl2 x 2 H2O' -> 'tin(II) chloride dihydrate': synced to canonical CHEBI label (preferred_term 'SnCl2 x 2 H2O' unchanged). | |
| 2026-07-20T00:00:00+00:00 | migrate_media_roles_to_facets | ANNOTATED | Migrated legacy media_roles to role facets (#128): MINERAL -> nutritional_roles.TRACE_ELEMENT | |
| 2026-08-27T03:16:39.519823+00:00 | refresh_occurrence_statistics | CORRECTED | occurrence_statistics 4/4 -> 7/7 (media_count/total_occurrences), derived from distinct CultureMech recipe ids in the #337 occurrence table. The prior values came from the importer retired in #453, whose media_count counted a list truncated to 50 examples (#449). [source=ingredient_occurrences.tsv culturemech_rev=15a4da5c08 rows=194137 distinct_recipes=15257] |