Sodium dithionite

CHEBI:66870 chemically defined MAPPED CHEBI EXACT_MATCH

Ontology mapping

Primary identifier
CHEBI:66870
Ontology label
sodium dithionite
kg-microbe node
CHEBI:66870

Physicochemical roles

Synonyms (12)

SynonymTypeSourceOccurrences
Properties: Defined component, Inorganic compound, Simple component RAW_TEXT CultureMech
Properties: Defined component, Simple component, Inorganic compound RAW_TEXT CultureMech
disodium dithionite EXACT_SYNONYM kg_microbe
sodium hydrosulfite EXACT_SYNONYM kg_microbe
sodium sulfoxylate EXACT_SYNONYM kg_microbe
Na2S2O4 RAW_TEXT merged_record
5,6-dihydroxy-2-(4-hydroxyphenyl)-4-oxo-4H-chromen-7-yl beta-D-glucopyranosiduronic acid RAW_TEXT merged_record
Scutellarein 7-O-beta-D-glucuronide RAW_TEXT merged_record
Scutellarein-7-O-beta-D-glucuronide RAW_TEXT merged_record
Scutellarein-7-glucuronide RAW_TEXT merged_record
Scutellarein-7beta-D-glucuronide RAW_TEXT merged_record
Scutellarein-7beta-D-glucuronoside RAW_TEXT merged_record

Chemical properties

Cas rn
7775-14-6
Data source
PubChem API
Retrieval date
2026-04-05T19:53:51.419747+00:00
Molecular formula
2Na.O4S2
Inchi
InChI=1S/2Na.H2O4S2/c;;1-5(2)6(3)4/h;;(H,1,2)(H,3,4)/q2*+1;/p-2
Smiles
O=S([O-])S(=O)[O-].[Na+].[Na+]

Evidence (1)

DATABASE_MATCH via CultureMech

Imported from CultureMech pipeline, quality=DIRECT_MATCH

Occurrence statistics

Total occurrences
47
Distinct media
47

Curation history

TimestampCuratorActionNew statusChanges
2026-03-09T06:54:18.022301+00:00 import_from_culturemech IMPORTED MAPPED Initial import from CultureMech pipeline
2026-04-05T19:53:51.419773+00:00 fetch_cas_rn_from_pubchem ADDED_CAS_RN MAPPED Added CAS-RN:7775-14-6 from PubChem API via name lookup (Sodium dithionite)
2026-04-18T00:00:00+00:00 cbclaw_kg_microbe_sweep LLM ADDED_SYNONYMS MAPPED Added 3 synonyms from kg-microbe P4.4 enrichment: disodium dithionite, sodium hydrosulfite, sodium sulfoxylate
2026-05-01T07:35:36.248521+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-01T08:08:32.337175+00:00 auto_classify_ingredient_type AUTO_BACKFILL_CHEBI_CHEMISTRY molecular_formula=2Na.O4S2; inchi=InChI=1S/2Na.H2O4S2/c;;1-5(2)6(3)4/h;;(H,1,2)(H,3,; smiles=O=S([O-])S(=O)[O-].[Na+].[Na+]
2026-05-02T03:12:18.366467+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula))
2026-06-02T07:05:13.393781+00:00 infer_roles_from_name_lists ANNOTATED Added media role: REDUCING_AGENT (confidence: 0.80)
2026-06-09T05:23:46.833979+00:00 correct_stale_ontology_labels.py CORRECTED ontology_label 'Sodium dithionite' -> 'sodium dithionite': synced to canonical CHEBI label (preferred_term 'Sodium dithionite' 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
2026-08-06T01:37:25.864886+00:00 reground_263 LLM MERGED_FROM_MAPPED_RECORD Absorbed CHEBI:61278 'Na2S2O4': 7 synonym(s), occurrences +25/25. Na2S2O4 and Sodium dithionite are the same substance (CAS 7775-14-6); the Na2S2O4 record's CHEBI:61278 'scutellarin' grounding was wrong (#263) and masked the duplicate
2026-08-27T03:16:39.519835+00:00 refresh_occurrence_statistics CORRECTED occurrence_statistics 36/36 -> 47/47 (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]