... ... Synonym: Washing Soda,Soda CrystalsMolecular Formula: Na2CO3 Molecular Weight: 106CAS No.:497-19-8Property: white particle powder, easily soluble in water ... , synthetic fibers ,fibres, fertilizers, paper making foodstuff ,etc. Soda Ash(Cas No.:497-19-8)98.5%,99.2%