Sodium bicarbonate, commonly known as "baking soda", sodium bicarbonate is an inorganic salt, white crystalline powder, odorless, alkaline taste, soluble in water. Stable at room temperature, above 50 ℃ began to decompose gradually to generate sodium carbonate, carbon dioxide and water. Sodium bicarbonate has a wide range of uses in life. For example, sodium bicarbonate can be used as a bulking agent for baked goods to make the food more fluffy; it can be used for cleaning to remove stains and odors; it can also be used for personal care, such as regulating oral pH, relieving hyperacidity and so on.

In the medical field, sodium bicarbonate also has some applications. Sodium bicarbonate is often used to treat symptoms such as excessive stomach acid and indigestion.