Sodium Bicarbonate (baking soda) is a white, crystalline powder that is commonly used as a pH buffering agent, an electrolyte replenisher, systemic alkalizer and in topical cleansing solutions. Sodium bicarbonate is a supplement that provides dietary bicarbonate.
 
Total Alkalinity as Na2CO3            99.3 - 101.5%
PH of 1% Solution                   8.2 - 8.5
Chloride as Cl                         0.01 - 0.02%
Insoluble matters                    0.01 - 0.05%
Iron as Fe percent                     0.001 - 0.002%