Soda Ash Dense Molecular Fomular:Na2CO3. CAS No.:497-19-8. Appearance:White powder. Item Index Best Quality First Quality Export Grade Total alkali(NaCO3)% 99.2 98.8 99.2 Chlorides(NaCl)% 0.70 0.90 0.70 Iron(Fe) content % 0.004 0.006 0.003 Sulphate(SO4) content % 0.03 ---- 0.03 Water insolubles % 0.04 0.10 0.03 Drying loss % 0.80 1.0 0.5 Property:White crystal powder,easily soluble in warter,aqueous solution is basic,can easily absorb moisture and carbon dioxide when exposed to the air. Usage:Mainly used in glass,chemical engineerin,metalluigy,paper making and dyeing,detergents and petro-chem industry. Packaging Details:50kg/bag,1000kg/bag. Delivery time:Within 25days