Sodium pyrophosphate

CHEBI:71240 chemically defined MAPPED CHEBI EXACT_MATCH

Ontology mapping

Primary identifier
CHEBI:71240
Ontology label
sodium diphosphate
kg-microbe node
CHEBI:71240

Physicochemical roles

Synonyms (6)

SynonymTypeSourceOccurrences
Diphosphoric acid, tetrasodium salt EXACT_SYNONYM kg_microbe
Natrium pyrophosphat EXACT_SYNONYM kg_microbe
Pyrophosphoric acid tetrasodium salt EXACT_SYNONYM kg_microbe
TSPP EXACT_SYNONYM kg_microbe
Tetrasodium pyrophosphate EXACT_SYNONYM kg_microbe
sodium diphosphate EXACT_SYNONYM kg_microbe

Chemical properties

Cas rn
7722-88-5
Data source
PubChem API
Retrieval date
2026-04-05T19:53:54.789118+00:00
Molecular formula
4Na.O7P2
Inchi
InChI=1S/4Na.H4O7P2/c;;;;1-8(2,3)7-9(4,5)6/h;;;;(H2,1,2,3)(H2,4,5,6)/q4*+1;/p-4
Smiles
O=P([O-])([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+]

Evidence (1)

DATABASE_MATCH via CultureMech

Imported from CultureMech pipeline, quality=DIRECT_MATCH

Occurrence statistics

Total occurrences
3
Distinct media
3

Curation history

TimestampCuratorActionNew statusChanges
2026-03-09T06:54:18.022301+00:00 import_from_culturemech IMPORTED MAPPED Initial import from CultureMech pipeline
2026-04-05T19:53:54.789170+00:00 fetch_cas_rn_from_pubchem ADDED_CAS_RN MAPPED Added CAS-RN:7722-88-5 from PubChem API via name lookup (Sodium pyrophosphate)
2026-04-18T00:00:00+00:00 cbclaw_kg_microbe_sweep LLM ADDED_SYNONYMS MAPPED Added 6 synonyms from kg-microbe P4.4 enrichment: Diphosphoric acid, tetrasodium salt, Natrium pyrophosphat, Pyrophosphoric acid tetrasodium salt, TSPP, Tetrasodium pyrophosphate, ... (1 more)
2026-05-01T07:35:36.344602+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-01T08:08:32.436620+00:00 auto_classify_ingredient_type AUTO_BACKFILL_CHEBI_CHEMISTRY molecular_formula=4Na.O7P2; inchi=InChI=1S/4Na.H4O7P2/c;;;;1-8(2,3)7-9(4,5)6/h;;;;(H; smiles=O=P([O-])([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].
2026-05-02T03:12:18.497010+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula))
2026-06-09T05:23:46.836546+00:00 correct_stale_ontology_labels.py CORRECTED ontology_label 'Sodium pyrophosphate' -> 'sodium diphosphate': synced to canonical CHEBI label (preferred_term 'Sodium pyrophosphate' unchanged).
2026-06-14T06:54:43.256057+00:00 infer_roles_from_chebi_ancestry ANNOTATED Added media role: CHELATOR (confidence: 0.70)
2026-07-20T00:00:00+00:00 migrate_media_roles_to_facets ANNOTATED Migrated legacy media_roles to role facets (#128): CHELATOR -> physicochemical_roles.CHELATOR
2026-08-27T03:16:39.519877+00:00 refresh_occurrence_statistics CORRECTED occurrence_statistics 2/2 -> 3/3 (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]