... weight :142.04Appearance :white crystalline powderCAS NO:7756-82-8EINECS NO:231-820-9purity:99%stability:Stable, but ... thickness ≥0.05mm. There are "food additives Sodium metabisulfite" printed on the external packing, with the sign of ... and dry place, avoid moisture and heat. No breakage, No mixed with oxidant and toxic matter. The storage ... SSA23 sodium sulfate,anhydrous Na2SO4 99% CAS NO 7756-82-8