Food Grade Potassium Chloride is a white crystalline powder and is freely soluble in water. The Chloride gives reaction of k salt and chlorides and has iron less than 20 PPM. The Chloride has arsenic content less than 1 PPM, barium less than 10 PPM, bromides and iodides less than 10 PPM, calcium and magnesium less than 100 PPM. The Food Grade Potassium Chloride has accurate composition.