Ontology mapping
- Primary identifier
-
CHEBI:114786 - Ontology label
- sodium disulfite
- kg-microbe node
CHEBI:114786
Physicochemical roles
- Role
- REDUCING_AGENT
- Confidence
- 0.6
- Evidence
- Reference type
- COMPUTATIONAL_PREDICTION
- Reference text
- Assigned by in-session Claude reasoning (no external API)
- Curator note
- Provisional in-session LLM role assignment; review recommended.
Synonyms (13)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| Disodium disulfite | EXACT_SYNONYM | kg_microbe | |
| Disodium disulphite | EXACT_SYNONYM | kg_microbe | |
| Disodium metabisulfite | EXACT_SYNONYM | kg_microbe | |
| Disodium pyrosulfite | EXACT_SYNONYM | kg_microbe | |
| Disulfurous acid, disodium salt | EXACT_SYNONYM | kg_microbe | |
| E223 | EXACT_SYNONYM | kg_microbe | |
| Pyrosulfurous acid, disodium salt | EXACT_SYNONYM | kg_microbe | |
| Sodium metabisulphite | EXACT_SYNONYM | kg_microbe | |
| Sodium pyrosulfite | EXACT_SYNONYM | kg_microbe | |
| disodium oxido(oxo)-kappa(4)-sulfanesulfonate | EXACT_SYNONYM | kg_microbe | |
| sodium disulfite | EXACT_SYNONYM | kg_microbe | |
| sodium metabisulfite | EXACT_SYNONYM | kg_microbe | |
| sodium pyrosulphite | EXACT_SYNONYM | kg_microbe |
Chemical properties
- Cas rn
- 7681-57-4
- Data source
- PubChem API
- Retrieval date
- 2026-04-05T19:53:20.380750+00:00
- Molecular formula
- 2Na.O5S2
- Inchi
- InChI=1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
- Smiles
- O=S([O-])S(=O)(=O)[O-].[Na+].[Na+]
Evidence (1)
DATABASE_MATCH
via CultureMech
Imported from CultureMech pipeline, quality=DIRECT_MATCH
Occurrence statistics
- Total occurrences
- 6
- Distinct media
- 6
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 |
| 2026-04-05T19:53:20.380947+00:00 | fetch_cas_rn_from_pubchem | ADDED_CAS_RN | MAPPED | Added CAS-RN:7681-57-4 from PubChem API via name lookup (Na2S2O5) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 13 synonyms from kg-microbe P4.4 enrichment: Disodium disulfite, Disodium disulphite, Disodium metabisulfite, Disodium pyrosulfite, Disulfurous acid, disodium salt, ... (8 more) |
| 2026-05-01T07:35:35.250069+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (CHEBI primary) | |
| 2026-05-01T08:08:31.320312+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=2Na.O5S2; inchi=InChI=1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,; smiles=O=S([O-])S(=O)(=O)[O-].[Na+].[Na+] | |
| 2026-05-02T03:12:17.065172+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula)) | |
| 2026-06-09T04:56:30.248086+00:00 | claude_in_session_curation | ANNOTATED | Added media role: REDUCING_AGENT (confidence: 0.60) | |
| 2026-06-09T05:23:46.807459+00:00 | correct_stale_ontology_labels.py | CORRECTED | ontology_label 'Na2S2O5' -> 'sodium disulfite': synced to canonical CHEBI label (preferred_term 'Na2S2O5' unchanged). | |
| 2026-07-20T00:00:00+00:00 | migrate_media_roles_to_facets | ANNOTATED | Migrated legacy media_roles to role facets (#128): REDUCING_AGENT -> physicochemical_roles.REDUCING_AGENT | |
| 2026-08-27T03:16:39.519491+00:00 | refresh_occurrence_statistics | CORRECTED | occurrence_statistics 4/4 -> 6/6 (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] |