The chemical name of baking soda is sodium bicarbonate, and the chemical formula is NaHCO3. White crystal, tasteless and nontoxic, salty, soluble in water and slightly soluble in ethanol. It is also an industrial chemical. Solids above 50℃ begin to decompose gradually to produce sodium carbonate, carbon dioxide and water, and completely decompose at 270℃.

Sodium bicarbonate is an acid salt formed by neutralization of strong alkali and weak acid, which is weakly alkaline when dissolved in water. In daily life, sodium bicarbonate can be used as leavening agent, cleaning and deodorization in the process of food production, and the effect is obvious.