A leavening agent with a pH of approximately 8.5 in a 1 percent solution at 25oC. It functions with food grade phosphates (acidic leavening compounds) to release carbon dioxide which expands during the baking process to provide the baked good with increased volume and tender eating qualities. It is also used in dry-mix beverages to obtain carbonation, which results when water is added to the mix containing the sodium bicarbonate and an acid. It is a component of baking powder. It is also termed baking soda, bicarbonate of soda, sodium acid carbonate, and sodium hydrogen carbonate.
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