Vanillin, also known as vanillin, the chemical name is 3-methoxy-4-hydroxybenzaldehyde, is an organic compound extracted from the Rutaceae plant vanilla bean, which is white to slightly yellow crystals or crystalline Powder, slightly sweet, soluble in hot water, glycerin and alcohol, insoluble in cold water and vegetable oil. The aroma is stable and not volatile at higher temperatures. It is easy to be oxidized in the air and easy to change color when it encounters alkaline substances.
Vanillin has the aroma of vanilla bean and strong milky aroma, which can enhance and fix the aroma. It is widely used in cosmetics, tobacco, cakes, candy and baked food industries.