1.sodium carbonate/light soda ash /Na2co3 2.purity:99.2% 3.CAS no:497-19-8 4.50kg/bag 5.competitive price and best service 6.Specifications: ITEM STANDARDRESULTSNa2CO3%(dry basis) ≥99.299.23NaCl % ≤0.700.50Fe % ≤0.00350.0032Water Insoluble Matter % ≤0.030.028