Ammonium aluminium sulphate is a white crystalline double sulphate also called as ammonium alum. It is generally viewed as the dodecahydrate. It can be availed in either crystalline powder or granular form. The water-soluble chemical compound is freely but slowly soluble in glycerin, and insoluble in alcohol. It generally acts like a neutralizing agent. It usually comes in different grades and our company offers food grade ammonium aluminium sulphate. It has Fluoride up to 0.003%, Lead up to 3 mg/kg and Selenium up to 0.003%.