What Is Potassium Chromate?
Potassium Chromate, an inorganic compound with the formula K2CrO4, has a CAS number of 7789-00-6. It’s characterized by its high solubility in water, insolubility in ethanol, and notable oxidizing and corrosive properties. Exposure risks include potential carcinogenic effects.
Uses of Potassium Chromate
Used as an oxidizer, Potassium Chromate is also a valuable analytical reagent, a mordant in textile dyeing, and a raw material for various chromates. Its applications extend to leather finishing, improving the material’s heat resistance, dyeability, and insulation.
Properties of Potassium Chromate
1. Synthesis of Potassium Chromate
Produced from Potassium Dichromate and Potassium Carbonate, or through the reaction of Potassium Hydroxide with Chromium Trioxide, its synthesis involves specific aqueous solutions and cooling processes.
2. Chemical Properties
With a crystal structure similar to Potassium Sulfate, Potassium Chromate exhibits basicity in aqueous solutions and forms various compounds with metals like silver and barium.
3. Regulatory Information
As a toxic hexavalent chromium compound, Potassium Chromate is subject to strict regulations in handling and use.
Types of Potassium Chromate
Marketed mainly for research, Potassium Chromate is available in various capacities and also as an aqueous solution, suitable for room-temperature storage and transportation.