Ontology mapping
- Primary identifier
-
CHEBI:131527 - Ontology label
- dipotassium hydrogen phosphate
- kg-microbe node
CHEBI:131527
Physicochemical roles
- Role
- BUFFER
- Confidence
- 1.0
- Evidence
- Reference text
- CultureMech database (2862 occurrences as 'Buffer')
- Reference type
- DATABASE_ENTRY
- Url
- https://github.com/CultureBotAI/CultureMech
- Excerpt
- Role: Buffer; Properties: Defined component, Inorganic compound, Simple component
- Curator note
- Widespread use in media formulations (2862 occurrences). High confidence based on 'Defined component' property.
Synonyms (24)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| 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 | |
| Role: Buffer; Properties: Inorganic compound, Simple component, Defined component | RAW_TEXT | CultureMech | |
| Potassium dibasic phosphate | EXACT | manual | |
| Dipotassium hydrogen phosphate | EXACT | manual | |
| Dipotassium phosphate | EXACT | manual | |
| Dibasic potassium phosphate | EXACT_SYNONYM | kg_microbe | |
| Dipotassium hydrogenorthophosphate | EXACT_SYNONYM | kg_microbe | |
| Dipotassium monohydrogen phosphate | EXACT_SYNONYM | kg_microbe | |
| Dipotassium monophosphate | EXACT_SYNONYM | kg_microbe | |
| Dipotassium orthophosphate | EXACT_SYNONYM | kg_microbe | |
| Hydrogen dipotassium phosphate | EXACT_SYNONYM | kg_microbe | |
| K 2HPO4 | EXACT_SYNONYM | kg_microbe | |
| KH2HPO4 | EXACT_SYNONYM | kg_microbe | |
| Phosphoric acid, dipotassium salt | EXACT_SYNONYM | kg_microbe | |
| Potassium monohydrogen phosphate | EXACT_SYNONYM | kg_microbe | |
| Potassium monophosphate | EXACT_SYNONYM | kg_microbe | |
| Potassium phosphate (dibasic) | EXACT_SYNONYM | kg_microbe | |
| Potassium phosphate dibasic | EXACT_SYNONYM | kg_microbe | |
| Role: Buffer; Properties: Simple component, Inorganic compound, Defined component | RAW_TEXT | CultureMech | |
| K2HPO | RAW_TEXT | CultureMech | |
| K2HPO4(Sigma P 3786) | RAW_TEXT | CultureMech |
Rejected enrichment labels (1)
Provenance-only candidates: these are not synonyms and do not resolve to this record.
| Rejected label | Disposition | Source | Occurrences |
|---|---|---|---|
| Potassium dibasic phosphate trihydrate | REJECTED_LABEL | culturemech:output/ingredient_occurrences.tsv |
Chemical properties
- Cas rn
- 7758-11-4
- Data source
- CultureBotHT compounds_to_cas.csv
- Retrieval date
- 2026-04-05T21:48:45.208971+00:00
- Molecular formula
- HO4P.2K
- Inchi
- InChI=1S/2K.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2
- Smiles
- O=P([O-])([O-])O.[K+].[K+]
Evidence (2)
DATABASE_MATCH
via CultureMech
Imported from CultureMech pipeline, quality=DIRECT_MATCH
We designed four different forms of potassium fertilizer treatments: K2SO4, KCl, KH2PO4, and K2HPO4, and used qRT-PCR and HPLC techniques to explore their differences in anthocyanin synthesis, accumulation, quality, and yield in PSP tubers.
Auto-proposed; curator should rephrase or remove.
Occurrence statistics
- Total occurrences
- 4,555
- Distinct media
- 4,480
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 |
| 2026-04-05T19:51:51.035524+00:00 | fetch_cas_rn_from_pubchem | ADDED_CAS_RN | MAPPED | Added CAS-RN:7758-11-4 from PubChem API via name lookup (Dipotassium hydrogen phosphate) |
| 2026-04-05T21:48:45.208975+00:00 | fetch_cas_rn_from_culturebot_csv | ADDED_CAS_RN | MAPPED | Added CAS-RN:7758-11-4 from CultureBotHT compounds_to_cas.csv (matched: K2HPO4) |
| 2026-04-05T23:44:06.396863+00:00 | fetch_cas_rn_with_preprocessing | ADDED_CAS_RN | MAPPED | Added CAS-RN:7758-11-4 from PubChem API (ontology label) via name preprocessing (Dipotassium phosphate) |
| 2026-04-09T00:32:50.689620+00:00 | enrich_mim_cas_rn_batch | CAS_RN_ADDED | MAPPED | Added CAS-RN 7758-11-4 from PubChem (via CHEBI:131527) |
| 2026-04-17T12:00:00+00:00 | synonym_expansion_cbclaw LLM | ADDED_SYNONYMS | MAPPED | Added 3 synonyms for unmapped CultureMech surface forms |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 13 synonyms from kg-microbe P4.4 enrichment: Dibasic potassium phosphate, Dipotassium hydrogenorthophosphate, Dipotassium monohydrogen phosphate, Dipotassium monophosphate, Dipotassium orthophosphate, ... (8 more) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 13 synonyms from kg-microbe P4.4 enrichment: Dibasic potassium phosphate, Dipotassium hydrogen phosphate, Dipotassium hydrogenorthophosphate, Dipotassium monohydrogen phosphate, Dipotassium monophosphate, ... (8 more) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 12 synonyms from kg-microbe P4.4 enrichment: Dibasic potassium phosphate, Dipotassium Phosphate, Dipotassium hydrogenorthophosphate, Dipotassium monohydrogen phosphate, Dipotassium monophosphate, ... (7 more) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 12 synonyms from kg-microbe P4.4 enrichment: Dibasic potassium phosphate, Dipotassium hydrogenorthophosphate, Dipotassium monohydrogen phosphate, Dipotassium monophosphate, Dipotassium orthophosphate, ... (7 more) |
| 2026-04-19T07:39:23.955331+00:00 | audit_mim_merge | MERGED_FROM_DUPLICATES | MAPPED | Absorbed 3 duplicate MIM record(s) into this one: Dipotassium_Phosphate.yaml, Dipotassium_Hydrogen_Phosphate.yaml, Dipotassium_Phosphate_2.yaml. Synonyms, curation_history, and occurrence counts were unioned/summed; winner selected by highest occurrence count with preferred_term readability tie-break. |
| 2026-05-01T07:35:34.147729+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (CHEBI primary) | |
| 2026-05-01T08:08:30.144470+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=HO4P.2K; inchi=InChI=1S/2K.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*; smiles=O=P([O-])([O-])O.[K+].[K+] | |
| 2026-05-01T08:09:47.892647+00:00 | auto_classify_ingredient_type | APPLY_EVIDENCE_PROPOSAL | added pmid=40302155 from propose-evidence batch | |
| 2026-05-02T03:12:15.228225+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula)) | |
| 2026-05-06T00:00:00+00:00 | unmapped_ols_exact_audit | MERGED_FROM_UNMAPPED_DUPLICATE | MAPPED | Added source variants "K2HPO" and "K2HPO4(Sigma P 3786)" and retired duplicate unmapped record K2hpo.yaml after normalization to K2HPO4; occurrence counts were summed. |
| 2026-05-29T23:35:36.111476+00:00 | extract_roles_from_synonyms | ANNOTATED | Added media role: BUFFER (confidence: 1.00) | |
| 2026-06-09T05:23:46.779982+00:00 | correct_stale_ontology_labels.py | CORRECTED | ontology_label 'K2HPO4' -> 'dipotassium hydrogen phosphate': synced to canonical CHEBI label (preferred_term 'K2HPO4' 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 | |
| 2026-08-27T03:16:39.519048+00:00 | refresh_occurrence_statistics | CORRECTED | occurrence_statistics 80/2862 -> 4480/4555 (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] | |
| 2026-08-30T10:32:26.469831+00:00 | claude_culturemech_alias_backfill | ADDED_SYNONYMS | Added 1 CultureMech recipe surface form(s) that folded onto this record's published label but were absent from MIM's label index, so CultureMech could not resolve them: 'Potassium dibasic phosphate trihydrate' (x2 CultureMech mentions). Source: culturemech:output/ingredient_occurrences.tsv. | |
| 2026-09-12T00:00:00+00:00 | reject_hidden_hydrate_synonym_collapses | REJECTED_HIDDEN_HYDRATE_SYNONYMS | MAPPED | Marked hidden hydrate synonym(s) as REJECTED_LABEL so this record no longer resolves sibling hydrate identities (#251): 'Potassium dibasic phosphate trihydrate'. |