It can be used as a sour agent for cool drinks and food, a color retention agent for fruit drinks, and a preservative (an emulsion stabilizer for mayonnaise, etc.). 2. It is used as raw materials for medicines, cosmetics, chemical book dental liquid, metal cleaner, buffer, retarder for textile industry, industrial deodorant, fluorescent whitening agent for polyester fiber, and monomer for manufacturing alkyd resin.

The consumption of malic acid is slightly more than itaconic acid, and it is also an organic acid with a wide range of uses. Malic acid is used as a sour agent in food industry, such as beverage, jam, jelly and fruit wine; In daily chemical industry, it is used to improve the quality of toothpaste and cosmetics in the Chemicalbook; In medicine, it is compounded with amino acid to make an injection, which is used as a nutrient solution after surgery and a good drug for patients with abnormal liver function; In addition, it is also used as the coating of chemical industry and the component of detergent and deodorant.

Malic acid CAS 6915-15-7 is stable under normal conditions, and has hygroscopicity when the humidity is high. Tricline system white crystal. It is easily soluble in methanol, ethanol, acetone and many other polar solvents.