Potassium chromate (K₂CrO₄) is a bright yellow, crystalline solid with the following physical characteristics:

Appearance:

* Color: Bright yellow

* Form: Crystalline solid

Physical Properties:

* Molecular weight: 194.19 g/mol

* Density: 2.732 g/cm³

* Melting point: 968 °C (1774 °F)

* Boiling point: Decomposes above 1000 °C (1832 °F)

* Solubility:

* Water: Highly soluble (62.9 g/100 ml at 20 °C)

* Ethanol: Slightly soluble

* Acetone: Insoluble

* Hygroscopicity: Hygroscopic (absorbs moisture from the air)

Other characteristics:

* Odor: Odorless

* Toxicity: Potassium chromate is toxic and can cause skin and eye irritation, as well as respiratory problems. It is a known carcinogen.

* Stability: Stable under normal conditions, but can decompose upon heating.

Note: Potassium chromate is a strong oxidizing agent and should be handled with caution.