Potassium Oxalate Monohydrate is a white, odorless, tasteless crystal or crystalline powder with hygroscopic property. Its aqueous solution is weakly alkaline (pH 7.0–8.5). It is stable at room temperature and can be decomposed into oxalic acid upon contact with strong acids. This product is non-flammable and non-explosive, but has certain toxicity.

1. Analytical Chemistry: Used as an analytical reagent and primary standard for the determination of metal ions such as calcium and lead.

2. Pharmaceutical Field: Used as an anticoagulant to prevent blood coagulation by removing calcium ions in blood.

3. Industrial Applications: Used in film processing, pharmaceutical manufacturing, leather processing, fabric bleaching, metal surface treatment, etc.

4. Others: Used as a reducing agent and chelating agent for the removal of metal ions from water.