Na2CO3

CHEBI:29377 chemically defined MAPPED CHEBI EXACT_MATCH

Ontology mapping

Primary identifier
CHEBI:29377
Ontology label
sodium carbonate
kg-microbe node
CHEBI:29377

Physicochemical roles

Synonyms (16)

SynonymTypeSourceOccurrences
(adjust if required) RAW_TEXT CultureMech
Role: Buffer; Properties: Defined component, Inorganic compound, Simple component RAW_TEXT CultureMech
Role: Buffer; Properties: Defined component, Inorganic compound, Solution RAW_TEXT CultureMech
Role: Buffer; Properties: Defined component, Simple component, Inorganic compound RAW_TEXT CultureMech
Role: Buffer; Properties: Inorganic compound, Defined component, Simple component RAW_TEXT CultureMech
Na CO EXACT_SYNONYM kg_microbe
Na2CO3-CO2 buffer EXACT_SYNONYM kg_microbe
NaCO3 EXACT_SYNONYM kg_microbe
Natriumkarbonat EXACT_SYNONYM kg_microbe
disodium carbonate EXACT_SYNONYM kg_microbe
disodium trioxidocarbonate EXACT_SYNONYM kg_microbe
Na2CO3 anhydrous EXACT_SYNONYM merged_from_duplicate_mim_record
Sodium carbonate EXACT_SYNONYM merged_from_duplicate_mim_record
Na2CO RAW_TEXT merged_from_unmapped_duplicate_review_2026_05_11
Na2CO3(Baker 3604) RAW_TEXT merged_from_unmapped_duplicate_review_2026_05_11
Role: Buffer; Properties: Inorganic compound, Simple component, Defined component RAW_TEXT CultureMech

Chemical properties

Cas rn
497-19-8
Data source
CultureBotHT compounds_to_cas.csv
Retrieval date
2026-04-05T21:48:45.457660+00:00
Molecular formula
CO3.2Na
Inchi
InChI=1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
Smiles
O=C([O-])[O-].[Na+].[Na+]

Evidence (1)

DATABASE_MATCH via CultureMech

Imported from CultureMech pipeline, quality=DIRECT_MATCH

Occurrence statistics

Total occurrences
1,751
Distinct media
1,751

Curation history

TimestampCuratorActionNew statusChanges
2026-03-09T06:54:18.022301+00:00 import_from_culturemech IMPORTED MAPPED Initial import from CultureMech pipeline
2026-04-05T21:48:45.457667+00:00 fetch_cas_rn_from_culturebot_csv ADDED_CAS_RN MAPPED Added CAS-RN:497-19-8 from CultureBotHT compounds_to_cas.csv (matched: Na2CO3)
2026-04-05T21:48:45.459664+00:00 fetch_cas_rn_from_culturebot_csv ADDED_CAS_RN MAPPED Added CAS-RN:497-19-8 from CultureBotHT compounds_to_cas.csv (matched: Na2CO3)
2026-04-05T21:48:45.741422+00:00 fetch_cas_rn_from_culturebot_csv ADDED_CAS_RN MAPPED Added CAS-RN:497-19-8 from CultureBotHT compounds_to_cas.csv (matched: Sodium carbonate)
2026-04-05T21:48:45.743122+00:00 fetch_cas_rn_from_culturebot_csv ADDED_CAS_RN MAPPED Added CAS-RN:497-19-8 from CultureBotHT compounds_to_cas.csv (matched: Sodium Carbonate)
2026-04-09T00:32:50.689620+00:00 enrich_mim_cas_rn_batch CAS_RN_ADDED MAPPED Added CAS-RN 497-19-8 from PubChem (via CHEBI:29377)
2026-04-18T00:00:00+00:00 cbclaw_kg_microbe_sweep LLM ADDED_SYNONYMS MAPPED Added 6 synonyms from kg-microbe P4.4 enrichment: Na CO, Na2CO3-CO2 buffer, NaCO3, Natriumkarbonat, disodium carbonate, ... (1 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: Na CO, Na2CO3, Na2CO3-CO2 buffer, NaCO3, Natriumkarbonat, ... (2 more)
2026-04-18T00:00:00+00:00 cbclaw_kg_microbe_sweep LLM ADDED_SYNONYMS MAPPED Added 6 synonyms from kg-microbe P4.4 enrichment: Na CO, Na2CO3, Na2CO3-CO2 buffer, Natriumkarbonat, disodium carbonate, ... (1 more)
2026-04-18T00:00:00+00:00 cbclaw_kg_microbe_sweep LLM ADDED_SYNONYMS MAPPED Added 6 synonyms from kg-microbe P4.4 enrichment: Na CO, Na2CO3, NaCO3, Natriumkarbonat, disodium carbonate, ... (1 more)
2026-04-19T07:39:23.955331+00:00 audit_mim_merge MERGED_FROM_DUPLICATES MAPPED Absorbed 6 duplicate MIM record(s) into this one: Na2co3_Anhydrous.yaml, Sodium_Carbonate.yaml, Naco3.yaml, Sodium_Carbonate_2.yaml, Na2co3-co2_Buffer.yaml, Na2co3_2.yaml. Synonyms, curation_history, and occurrence counts were unioned/summed; winner selected by highest occurrence count with preferred_term readability tie-break.
2026-05-01T07:35:35.134178+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-01T08:08:31.199280+00:00 auto_classify_ingredient_type AUTO_BACKFILL_CHEBI_CHEMISTRY molecular_formula=CO3.2Na; inchi=InChI=1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1; smiles=O=C([O-])[O-].[Na+].[Na+]
2026-05-02T03:12:16.933667+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula))
2026-05-11T06:02:00Z mediaingredientmech-agentic-curation LLM ABSORBED_UNMAPPED_DUPLICATE MAPPED Absorbed duplicate unmapped record Na2co.yaml (UNMAPPED_0041); raw source synonym Na2CO3(Baker 3604) resolves the truncated preferred term to sodium carbonate CHEBI:29377.
2026-05-29T23:35:36.112120+00:00 extract_roles_from_synonyms ANNOTATED Added media role: BUFFER (confidence: 1.00)
2026-06-09T05:23:46.805862+00:00 correct_stale_ontology_labels.py CORRECTED ontology_label 'Na2CO3' -> 'sodium carbonate': synced to canonical CHEBI label (preferred_term 'Na2CO3' unchanged).
2026-07-20T00:00:00+00:00 migrate_media_roles_to_facets ANNOTATED Migrated legacy media_roles to role facets (#128): BUFFER -> physicochemical_roles.BUFFER
2026-08-27T03:16:39.519452+00:00 refresh_occurrence_statistics CORRECTED occurrence_statistics 126/1251 -> 1751/1751 (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]