soda ash light 1.CAS:497-19-8 2.Specifications Total alkali(Na2Co3): 99.2%min Chloride(NaCl): 0.70%max Iron(Fe): 0.006%max Water insoluble matter: 0.1%msoda ash light is a kind of basic chemical material, which mainly used by glass industry, detergent, chemical industry, food, dye industry,and so on. our company can supply with material shiped by bulk