| Formula / Notation | K2CrO4 |
|---|---|
| CAS Number | 7789-00-6 |
| Molecular Weight | 194.190 |
| Melting Point | 975 °C |
| Boiling Point | 1000 °C |
| Density | 2.73 at 64.4 °F (USCG, 1999) - Denser than water; will sink |
| Solubility | In water, 65.0 g/100 g water at 25 °C |
| Appearance | Potassium chromate is a yellow crystalline solid. It is soluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment... |
| Also Known As | dipotassium;dioxido(dioxo)chromium; 7789-00-6; Bipotassium chromate; Potassium chromate(VI); Dipotassium chromate; Dipotassium monochromate; Tarapacaite; Chromate of potash; Chromate of potass; Neutral potassium chromate |
| Category | Salts |
What is Potassium chromate?
Potassium chromate is a potassium salt consisting of potassium and chromate ions in a 2:1 ratio. It has a role as a NMR chemical shift reference compound, a carcinogenic agent and an oxidising agent. It contains a chromate(2-).
Formula & Notation
IUPAC Name: dipotassium;dioxido(dioxo)chromium
Other Names / Synonyms: dipotassium;dioxido(dioxo)chromium; 7789-00-6; Bipotassium chromate; Potassium chromate(VI); Dipotassium chromate; Dipotassium monochromate; Tarapacaite; Chromate of potash; Chromate of potass; Neutral potassium chromate
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 975 °C |
| Boiling Point | 1000 °C |
| Density | 2.73 at 64.4 °F (USCG, 1999) - Denser than water; will sink |
| Molecular Weight | 194.190 |
| Solubility | In water, 65.0 g/100 g water at 25 °C |
| Appearance | Potassium chromate is a yellow crystalline solid. It is soluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment... |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Potassium chromate is a potassium salt consisting of potassium and chromate ions in a 2:1 ratio. It has a role as a NMR chemical shift reference compound, a carcinogenic agent and an oxidising agent. It contains a chromate(2-).
Used in food preservation, water treatment, chemical synthesis, fertilizers, and pharmaceutical applications.
Irritant or toxic depending on specific salt. Some salts are oxidising agents or toxic to aquatic environments. Consult SDS before use.
The formula or notation for Potassium chromate is: K2CrO4