Tripotassium phosphate
An inorganic potassium salt that is the tripotassium salt of phosphoric acid. — ChEBI
Safety documents & references
1 indexed referencesFind a product-specific SDS
Safety guides and government classification records are not a manufacturer’s SDS. Match supplier, product number, concentration, physical form, region and revision before using a document.
Identity & molecular properties
Source-linked values| CAS number | 7778-53-2 | ChEBI ↗ |
| Molecular formula | 3K.O4P | ChEBI ↗ |
| Molar mass | 212.264 g/mol | ChEBI ↗ |
| Monoisotopic mass | 211.84454 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:190301 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 212.266 g/mol | PubChem ↗ |
| Exact mass | 211.8445399 Da | PubChem ↗ |
PubChem computed values are shown separately from the ChEBI record. An exact InChIKey match was used to connect the records. Molecular descriptors do not describe a supplied product’s purity, particle size or performance.
Names & structural identifiers
Copy any identifiertripotassium phosphatetripotassium phosphateLWIHDJKSTIGBAC-UHFFFAOYSA-KO=P([O-])([O-])[O-].[K+].[K+].[K+]InChI=1S/3K.H3O4P/c;;;1-5(2,3)4/h;;;(H3,1,2,3,4)/q3*+1;/p-3Classification & relationships
ChEBI ontologySafety classification · Japan
NITE / Japanese governmentTripotassium phosphate · 23A5136
| Endpoint | Reported classification |
|---|---|
| Acute toxicity （Oral） | Category 4 |
| Skin corrosion/irritation | Category 1 |
| Serious eye damage/eye irritation | Category 1 |
Selected source-reported endpoints. Other endpoints, rationales and conditions remain in the original classification. Missing or unlisted information does not mean non-hazardous. This is not a global classification or transport decision.
Read the original NITE classificationMass ↔ amount of substance
Calculated from sourced massUses 212.264 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Research & patent references
Selected source associationsSources & record history
Checked 27 Sep 2026Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0
PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.