Ontology mapping
- Primary identifier
-
CHEBI:63036 - Ontology label
- potassium dihydrogen phosphate
- kg-microbe node
CHEBI:63036
Physicochemical roles
- Role
- BUFFER
- Confidence
- 1.0
- Evidence
- Reference text
- CultureMech database (3862 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 (3862 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 dihydrogen phosphate | EXACT | manual | |
| Monopotassium phosphate | EXACT | manual | |
| KH2PO4(Sigma P 0662) | RAW_TEXT | unmapped_duplicate_review_2026_05_11 | |
| KH PO | EXACT_SYNONYM | kg_microbe | |
| MKP | EXACT_SYNONYM | kg_microbe | |
| Monopotassium dihydrogen phosphate | EXACT_SYNONYM | kg_microbe | |
| Monopotassium monophosphate | EXACT_SYNONYM | kg_microbe | |
| Monopotassium orthophosphate | EXACT_SYNONYM | kg_microbe | |
| Orthophosphoric acid, monopotassium salt | EXACT_SYNONYM | kg_microbe | |
| Phosphoric acid, monopotassium salt | EXACT_SYNONYM | kg_microbe | |
| Phosphoric acid, potassium salt (1:1) | EXACT_SYNONYM | kg_microbe | |
| Potassium acid phosphate | EXACT_SYNONYM | kg_microbe | |
| Potassium dihydrogen orthophosphate | EXACT_SYNONYM | kg_microbe | |
| Potassium phosphate monobasic | EXACT_SYNONYM | kg_microbe | |
| Sorensen's potassium phosphate | EXACT_SYNONYM | kg_microbe | |
| Potassium Phosphate | EXACT_SYNONYM | merged_from_duplicate_mim_record | |
| (dibasic) | RAW_TEXT | CultureMech | |
| KH2PO4 (0.4 g/l) | RAW_TEXT | culturemech:output/ingredient_occurrences.tsv | |
| KH2PO4 (7% w/v) | RAW_TEXT | culturemech:output/ingredient_occurrences.tsv |
Chemical properties
- Cas rn
- 7778-77-0
- Data source
- PubChem API
- Retrieval date
- 2026-04-05T19:52:32.899560+00:00
- Molecular formula
- H2O4P.K
- Inchi
- InChI=1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
- Smiles
- O=P([O-])(O)O.[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
- 5,649
- Distinct media
- 5,644
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 |
| 2026-04-05T19:52:32.899614+00:00 | fetch_cas_rn_from_pubchem | ADDED_CAS_RN | MAPPED | Added CAS-RN:7778-77-0 from PubChem API via name lookup (KH2PO4) |
| 2026-04-05T21:48:45.384859+00:00 | fetch_cas_rn_from_culturebot_csv | ADDED_CAS_RN | MAPPED | Added CAS-RN:7778-77-0 from CultureBotHT compounds_to_cas.csv (matched: Monopotassium Phosphate) |
| 2026-04-05T21:48:45.386943+00:00 | fetch_cas_rn_from_culturebot_csv | ADDED_CAS_RN | MAPPED | Added CAS-RN:7778-77-0 from CultureBotHT compounds_to_cas.csv (matched: Monopotassium phosphate) |
| 2026-04-09T00:32:50.689620+00:00 | enrich_mim_cas_rn_batch | CAS_RN_ADDED | MAPPED | Added CAS-RN 7778-77-0 from PubChem (via CHEBI:63036) |
| 2026-04-17T12:00:00+00:00 | synonym_expansion_cbclaw LLM | ADDED_SYNONYMS | MAPPED | Added 2 synonyms for unmapped CultureMech surface forms |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 12 synonyms from kg-microbe P4.4 enrichment: KH PO, MKP, Monopotassium dihydrogen phosphate, Monopotassium monophosphate, Monopotassium orthophosphate, ... (7 more) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 14 synonyms from kg-microbe P4.4 enrichment: KH PO, MKP, Monopotassium Phosphate, Monopotassium dihydrogen phosphate, Monopotassium monophosphate, ... (9 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: Monopotassium_Phosphate.yaml, Potassium_Phosphate.yaml, Monopotassium_Phosphate_2.yaml. Synonyms, curation_history, and occurrence counts were unioned/summed; winner selected by highest occurrence count with preferred_term readability tie-break. |
| 2026-05-01T07:35:34.203229+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (CHEBI primary) | |
| 2026-05-01T08:08:30.202132+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=H2O4P.K; inchi=InChI=1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p; smiles=O=P([O-])(O)O.[K+] | |
| 2026-05-01T08:09:47.914685+00:00 | auto_classify_ingredient_type | APPLY_EVIDENCE_PROPOSAL | added pmid=40302155 from propose-evidence batch | |
| 2026-05-02T03:12:15.302012+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula)) | |
| 2026-05-11T04:08:29Z | mediaingredientmech-agentic-curation LLM | MERGED_FROM_UNMAPPED_DUPLICATE | MAPPED | Absorbed duplicate unmapped record Kh2po.yaml (UNMAPPED_0018); raw synonym explicitly names KH2PO4 and the local mapped CHEBI:63036 record is the potassium dihydrogen phosphate identity. |
| 2026-05-29T23:35:36.111530+00:00 | extract_roles_from_synonyms | ANNOTATED | Added media role: BUFFER (confidence: 1.00) | |
| 2026-06-09T05:23:46.781166+00:00 | correct_stale_ontology_labels.py | CORRECTED | ontology_label 'KH2PO4' -> 'potassium dihydrogen phosphate': synced to canonical CHEBI label (preferred_term 'KH2PO4' 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 | |
| 2026-08-27T03:16:39.519070+00:00 | refresh_occurrence_statistics | CORRECTED | occurrence_statistics 81/3862 -> 5644/5649 (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] | |
| 2026-08-30T04:48:06.233536+00:00 | claude_culturemech_alias_backfill | ADDED_SYNONYMS | Added 2 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: 'KH2PO4 (0.4 g/l)' (x1 CultureMech mentions); 'KH2PO4 (7% w/v)' (x1 CultureMech mentions). Source: culturemech:output/ingredient_occurrences.tsv. |