Potassium Bicarbonate ( Food Grade ) also known as Baking Soda is a white, crystalline powder that is odorless and has a slightly salty taste. Potassium Bicarbonate is also known as potassium hydrogen carbonate or potassium acid carbonate. U.S.Steriles is a leading manufacturer of Potassium Bicarbonate ( Food Grade ) in India. The Brand – PYORAA is a registered trademark.