Potassium chromate
A potassium salt consisting of potassium and chromate ions in a 2:1 ratio. — 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 | 7789-00-6 | ChEBI ↗ |
| Molecular formula | CrO4.2K | ChEBI ↗ |
| Molar mass | 194.188 g/mol | ChEBI ↗ |
| Monoisotopic mass | 193.84758 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:75249 | ChEBI ↗ |
Names & structural identifiers
Copy any identifierpotassium chromatedipotassium dioxido(dioxo)chromiumXMXNVYPJWBTAHN-UHFFFAOYSA-N[K+].[K+].[O]=[Cr](=[O])([O-])[O-]InChI=1S/Cr.2K.4O/q;2*+1;;;2*-1Names & synonyms
Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.
Classification & relationships
ChEBI ontologyRoles recorded in ChEBI
Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.
Safety classification · Japan
NITE / Japanese governmentPotassium chromate · H26-B-141 / R-087
| Endpoint | Reported classification |
|---|---|
| Acute toxicity （Oral） | Category 3 |
| Skin corrosion/irritation | Category 1 |
| Serious eye damage/eye irritation | Category 1 |
| Respiratory sensitization | Category 1 |
| Skin sensitization | Category 1 |
| Germ cell mutagenicity | Category 1B |
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 194.188 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsOCrKCalculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.
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.