From Manufacturer: 99.2% Soda Ash (Na2CO3) Available Perennially.
Our factory is one of the largest manufactures for Soda Ash in China. We afford Soda Ash Light & Dense all through the year, and we are looking for a long-term business relationship.
Our products include both Soda Ash Light and Soda Ash Dense in Grade of GB210-92 with the purity of 99.2%.
The product details are as follows:
Classification: Soda Ash; Disodium carbonate; Sodium carbonate; Calcined soda; Carbonic acid disodium salt; washing soda, soda crystals.
Formula: Na2CO3
CAS No.: 497-19-8
M.W.: 105.99
Minimum Order Quantity: 40 Metric Ton
Certificate of Analysis
          Total alkalinity (As the dry Na2CO3 %)              99.2% min
          Chloride (As the NaCl %)                                   0.70%max
          Iron (As the Fe %)                           0.0035%max
          Sulphuric (As the SO4 %)                                   0.3%max
          Matter insoluble in water %                                   0.03%max

If you are inerested, please let me know.
Sincerely,
Jennifer Z.

Sales Manager
International Business Center
Hebei Youdai Trading Co.,Ltd