NaHSO3

CHEBI:26709 chemically defined MAPPED CHEBI EXACT_MATCH

Ontology mapping

Primary identifier
CHEBI:26709
Ontology label
sodium hydrogensulfite

Physicochemical roles

Synonyms (16)

SynonymTypeSourceOccurrences
Properties: Defined component, Inorganic compound, Simple component RAW_TEXT CultureMech
E 222 EXACT_SYNONYM kg_microbe
E222 EXACT_SYNONYM kg_microbe
Natriumbisulfit EXACT_SYNONYM kg_microbe
Natriumhydrogensulfit EXACT_SYNONYM kg_microbe
Sodium Bisulfite EXACT_SYNONYM kg_microbe
hydrogen sulfite sodium EXACT_SYNONYM kg_microbe
primaeres Natriumsulfit EXACT_SYNONYM kg_microbe
saures Natriumsulfit EXACT_SYNONYM kg_microbe
sodium bisulphite EXACT_SYNONYM kg_microbe
sodium hydrogen sulfite EXACT_SYNONYM kg_microbe
sodium hydrogensulfite EXACT_SYNONYM kg_microbe
sulfurous acid monosodium salt EXACT_SYNONYM kg_microbe
sulfurous acid sodium salt EXACT_SYNONYM kg_microbe
sulfurous acid, monosodium salt EXACT_SYNONYM kg_microbe
sulfurous acid, sodium salt (1:1) EXACT_SYNONYM kg_microbe

Chemical properties

Cas rn
7631-90-5
Data source
PubChem API
Retrieval date
2026-04-05T19:53:28.102286+00:00
Molecular formula
HO3S.Na
Inchi
InChI=1S/Na.H2O3S/c;1-4(2)3/h;(H2,1,2,3)/q+1;/p-1
Smiles
O=S([O-])O.[Na+]

Evidence (1)

DATABASE_MATCH via CultureMech

Imported from CultureMech pipeline, quality=DIRECT_MATCH

Occurrence statistics

Total occurrences
5
Distinct media
5

Curation history

TimestampCuratorActionNew statusChanges
2026-03-09T06:54:18.022301+00:00 import_from_culturemech IMPORTED MAPPED Initial import from CultureMech pipeline
2026-04-05T19:53:28.102340+00:00 fetch_cas_rn_from_pubchem ADDED_CAS_RN MAPPED Added CAS-RN:7631-90-5 from PubChem API via name lookup (NaHSO3)
2026-04-07T10:20:02.196604+00:00 feba_ontology_enrichment_batch CREATED MAPPED Created ingredient file from FEBA ontology enrichment batch with ChEBI ID CHEBI:26709
2026-04-18T00:00:00+00:00 cbclaw_kg_microbe_sweep LLM ADDED_SYNONYMS MAPPED Added 15 synonyms from kg-microbe P4.4 enrichment: E 222, E222, Natriumbisulfit, Natriumhydrogensulfit, Sodium Bisulfite, ... (10 more)
2026-04-18T00:00:00+00:00 cbclaw_kg_microbe_sweep LLM ADDED_SYNONYMS MAPPED Added 15 synonyms from kg-microbe P4.4 enrichment: E 222, E222, NaHSO3, Natriumbisulfit, Natriumhydrogensulfit, ... (10 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: Sodium_bisulfite.yaml. Synonyms, curation_history, and occurrence counts were unioned/summed; winner selected by highest occurrence count with preferred_term readability tie-break.
2026-05-01T07:35:35.389185+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-01T08:08:31.470758+00:00 auto_classify_ingredient_type AUTO_BACKFILL_CHEBI_CHEMISTRY molecular_formula=HO3S.Na; inchi=InChI=1S/Na.H2O3S/c;1-4(2)3/h;(H2,1,2,3)/q+1;/p-1; smiles=O=S([O-])O.[Na+]
2026-05-02T03:12:17.231639+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula))
2026-06-09T04:56:30.248095+00:00 claude_in_session_curation ANNOTATED Added media role: REDUCING_AGENT (confidence: 0.60)
2026-06-09T05:23:46.809818+00:00 correct_stale_ontology_labels.py CORRECTED ontology_label 'NaHSO3' -> 'sodium hydrogensulfite': synced to canonical CHEBI label (preferred_term 'NaHSO3' 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
2026-08-27T03:16:39.519548+00:00 refresh_occurrence_statistics CORRECTED occurrence_statistics 3/3 -> 5/5 (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]