... in water; absorb moisture; odorless, non-toxic. Chemical Name: Sodium sulphate Anhydrous (Na2SO4) Properties: white fine crystal or powder, easily ... absorb moisture; odorless, non-toxic. Use: widely used in vinylon, sodium silicate, bleaching, glass, paper making, tanning, metal smelting, surface treatment and ... %≤0.0020.0020.010Moisture%≤0.100.200.50Whiteness%≥8582--- Sodium Sulphate Anhydrous