1 the purity of our soda ash is 99.2%min 2 widely used in papermaking,printing,dye etc. 3 10days after ... /dense soda ash Molecular formula: Na2CO3 Molecular weight: 105.99 CAS No.: 497-19-8 HS no: 28,362,000 Usage ... : China (Mainland)Grade Standard: Agriculture Grade, Electron Gra...Purity: 99.2%Appearance: white crystalline granulesApplication: chemicals,metallurgy,medicine,petr...Brand Name ...