Ontology mapping
- Primary identifier
-
CHEBI:31695 - Ontology label
- indigo carmine
- kg-microbe node
CHEBI:31695
Physicochemical roles
- Role
- PH_INDICATOR
- Confidence
- 1.0
- Evidence
- Reference type
- DATABASE_ENTRY
- Reference text
- Imported from CultureMech pipeline
- Curator note
- Original role text: Ph Indicator
Synonyms (22)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| Acid blue 74 | EXACT_SYNONYM | kg_microbe | |
| C.I. 73015 | EXACT_SYNONYM | kg_microbe | |
| C.I. 75781 | EXACT_SYNONYM | kg_microbe | |
| C.I. Acid Blue 74 | EXACT_SYNONYM | kg_microbe | |
| C.I. Food Blue 1 | EXACT_SYNONYM | kg_microbe | |
| C.I. Food Blue 1, disodium salt | EXACT_SYNONYM | kg_microbe | |
| C.I. Natural Blue 2 | EXACT_SYNONYM | kg_microbe | |
| Disodium 3,3'-dioxo-(delta2,2'-biindoline)-5,5'-disulfonate | EXACT_SYNONYM | kg_microbe | |
| Disodium 5,5'-disulfoindigo | EXACT_SYNONYM | kg_microbe | |
| Disodium 5,5'-indigotin disulfonate | EXACT_SYNONYM | kg_microbe | |
| Disodium indigo-5,5-disulfonate | EXACT_SYNONYM | kg_microbe | |
| E 132 | EXACT_SYNONYM | kg_microbe | |
| FD and C Blue No. 2 | EXACT_SYNONYM | kg_microbe | |
| FD&C Blue No. 2 | EXACT_SYNONYM | kg_microbe | |
| Indigo carmine | EXACT_SYNONYM | kg_microbe | |
| Indigotin-5,5'-disulfonic acid disodium salt | EXACT_SYNONYM | kg_microbe | |
| Indigotindisulfonate sodium | EXACT_SYNONYM | kg_microbe | |
| Natural blue 2 | EXACT_SYNONYM | kg_microbe | |
| Sodium 5,5'-indigotindisulfonate | EXACT_SYNONYM | kg_microbe | |
| Sodium indigo-5,5'-bisulfonate | EXACT_SYNONYM | kg_microbe | |
| Role: pH indicator; Properties: Organic compound, Simple component, Defined component | RAW_TEXT | CultureMech | |
| disodium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)-2,3-dihydro-1H-indole-5-sulfonate | EXACT_SYNONYM | chebi_synonym_review |
Chemical properties
- Cas rn
- 860-22-0
- Data source
- PubChem (via CHEBI:31695)
- Retrieval date
- 2026-04-09T00:32:50.689620+00:00
- Molecular formula
- C16H8N2O8S2.2Na
- Inchi
- InChI=1S/C16H10N2O8S2.2Na/c19-15-9-5-7(27(21,22)23)1-3-11(9)17-13(15)14-16(20)10-6-8(28(24,25)26)2-4-12(10)18-14;;/h1-6,17-18H,(H,21,22,23)(H,24,25,26);;/q;2*+1/p-2/b14-13+;;
- Smiles
- O=C1/C(=C2Nc3ccc(S(=O)(=O)[O-])cc3C2=O)Nc2ccc(S(=O)(=O)[O-])cc21.[Na+].[Na+]
Evidence (1)
DATABASE_MATCH
via CultureMech
Imported from CultureMech pipeline, quality=DIRECT_MATCH
Occurrence statistics
- Total occurrences
- 19
- Distinct media
- 19
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 |
| 2026-04-05T19:52:24.988736+00:00 | fetch_cas_rn_from_pubchem | ADDED_CAS_RN | MAPPED | Added CAS-RN:860-22-0 from PubChem API via name lookup (Indigo carmine) |
| 2026-04-09T00:32:50.689620+00:00 | enrich_mim_cas_rn_batch | CAS_RN_ADDED | MAPPED | Added CAS-RN 860-22-0 from PubChem (via CHEBI:31695) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 20 synonyms from kg-microbe P4.4 enrichment: Acid blue 74, C.I. 73015, C.I. 75781, C.I. Acid Blue 74, C.I. Food Blue 1, ... (15 more) |
| 2026-04-19T07:39:23.955331+00:00 | audit_mim_merge | MERGED_FROM_DUPLICATES | MAPPED | Absorbed 1 duplicate MIM record(s) into this one: Indigo_Carmine.yaml. Synonyms, curation_history, and occurrence counts were unioned/summed; winner selected by highest occurrence count with preferred_term readability tie-break. |
| 2026-05-01T07:35:34.043606+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (CHEBI primary) | |
| 2026-05-01T08:08:30.028401+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=C16H8N2O8S2.2Na; inchi=InChI=1S/C16H10N2O8S2.2Na/c19-15-9-5-7(27(21,22)23; smiles=O=C1/C(=C2Nc3ccc(S(=O)(=O)[O-])cc3C2=O)Nc2ccc(S(=O | |
| 2026-05-02T03:12:15.081406+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula)) | |
| 2026-05-29T23:35:36.111423+00:00 | extract_roles_from_synonyms | ANNOTATED | Added media role: PH_INDICATOR (confidence: 1.00) | |
| 2026-06-09T05:23:46.776614+00:00 | correct_stale_ontology_labels.py | CORRECTED | ontology_label 'Indigocarmine' -> 'indigo carmine': synced to canonical CHEBI label (preferred_term 'Indigocarmine' unchanged). | |
| 2026-07-20T00:00:00+00:00 | migrate_media_roles_to_facets | ANNOTATED | Migrated legacy media_roles to role facets (#128): PH_INDICATOR -> physicochemical_roles.PH_INDICATOR | |
| 2026-08-27T03:16:39.519009+00:00 | refresh_occurrence_statistics | CORRECTED | occurrence_statistics 14/14 -> 19/19 (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] |