Potassium nitrite appears as a yellowish white crystalline solid.Potassium nitrite is a strong oxidizing agent .it is Used to make other chemicals and in chemical analysis.
Potassium nitrite is the inorganic compound with the chemical formula KNO2. It is an ionic salt of potassium ions K+ and nitrite ions NO2−, which forms a white or slightly yellow, hygroscopic crystalline powder that is soluble in water.