The chemical name of baking soda is sodium bicarbonate, which is often used as baking powder to make steamed bread.

Edible baking soda NaHCO3. properties: white powder or fine crystal, odorless, salty and soluble in water, but less soluble than sodium carbonate in water, slightly soluble in ethanol, and slightly alkaline in aqueous solution. It decomposes easily when heated. Slowly decompose in humid air. In medical treatment, it is a medicine for treating hyperacidity, and it is also a medicine for gynecological treatment.