Sodium aluminium sulphate cas no.: 10102-71-3 sodium aluminum sulfate white powder, maily used in baking agent. Food gradesodium aluminum sulfateformula: naal(so4)2 properties: white crystal or power, soluble in water, acidic property appeared in aqueous solution.Specifications:specification unit standardappearance white free of flowing, fine powderaroma odorlesspurity % 99.0104.0neutralization 104 - 108granulation on 100mesh % 30loss on drying(1 hr at 105oc) % 1.0ph(1% aq.soln) 2.5-3.5water insoluble % 0.2f % 0.003as ppm 2pb ppm 3heavy metals ppm 15fe ppm 1000packing: in 25kgs net paper or plastic woven bags.