In analytical chemistry (testing for amino acids, cobalt, iodine, urea).Potassium nitrite is used as a food preservative, paint and coating additives and analytical reagent. It is used as a strong oxidizing agent as well as involved in the preparation of heat transfer salts. In addition, it is employed as corrosion inhibitors and anti-scaling agents.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.