Potassium oxalate (K2C2O4) is a chemical compound that typically appears as colorless, water-soluble crystals. It is the potassium salt of oxalic acid and is used in analytical chemistry for identifying heavy metals, in photography, and as a bleach. It can be hazardous if swallowed or in contact with skin.
Uses
- Analytical chemistry: It is used as a reagent to identify and test for the presence of calcium and other heavy metals.
- Photography: It was historically used as a developing agent for platinum prints and is still used in some photographic processes.
- Cleaning and bleaching: It acts as a bleaching agent and is used to remove stains from various materials.







