Water Soluble Ammonium Chloride is a white crystalline powder and gives reaction of NH4 salt and chlorides. The Ammonium Chloride has arsenic less than 4 PPM, calcium less than 200 PPM, iron less than 20 PPM, heavy metals less than 10 PPM. The Ammonium Chloride is freely soluble in water. The Water Soluble Ammonium Chloride basic sulphate less than 150 PPM and has accurate thiocynate.