Potassium antimonyl tartrate is a chemical compound that contains potassium, antimony, and tartaric acid. It is often used in laboratory settings, particularly in the preparation of certain types of reagents and in the analysis of metals. This compound is known for its role in the detection of heavy metals and can be utilized in various chemical processes. In addition to its laboratory applications, potassium antimonyl tartrate has historical significance in medicine, particularly in the treatment of leishmaniasis, a disease caused by parasites. However, due to its toxicity, its use in medical treatments has become less common, and safety precautions are essential when handling this compound.