... /month 4.Factory Chemical Name: Na2SO4 99.6% Min Sodium sulfate anhydrous Molecular formula: Na2SO4Molecular weight: 142.04CAS No ... ; odorless, non-toxic. Use: widely used in vinylon, sodium silicate, bleaching, glass, paper making, tanning, metal smelting, ... synthetic fiber, leather industry as well.Sodium sulfate Specifications Anhydrous sodium sulfate.GB/T9853-2008No .Test ItemsUnit ARResultsLevel ...