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What is Potassium Sorbate?
Potassium sorbate is the potassium salt of sorbic acid, the molecular formula is C6H7O2K, colorless or white scaly crystals or crystalline powder. Odorless or slightly smelly, easy to absorb moisture and be oxidized and decomposed in the air for a long time. It is soluble in water and in pro-pylene glycol and et-hanol. Potassium sorbate and sorbic acid are commonly used organic preservatives, which are widely used in food, chemical products and feed preservatives. It is easy to be absorbed and metabolized by the human body, with no residue in the body and no toxicity.

Potassium sorbate is made from sorbic acid and pot-assium hydroxide by neutralization and has all the basic properties of sorbic acid except for solubility. Potassium sorbate is a white or white particle or powder, easy to absorb moisture and is unstable in the air, easy to oxidize and turn brown, but more stable to light and heat, at about 270ºC will melt and decomposition, the pH value of 1% aqueous solution is 7-8.

Potassium sorbate is mainly used as a food preservative. It is widely used because it has a very strong inhibitory effect on mold and spoilage bacteria, and it is easy to dissolve in water. Potassium sorbate has been recommended as a safe and efficient food preservative by the Food and Agriculture Organization of the United Nations. Potassium sorbate has the characteristics of low toxicity, good anti-mold effect, does not change the original nature of food, easy to use, wide range of applications, so many foreign developed countries have taken potassium sorbate as a good and efficient preservative, widely used in food. At present, potassium sorbate also has a wide range of applications in the domestic food industry. With the continuous breakthrough of production cost and production technology, potassium sorbate as a low-toxicity, safe and efficient food preservative, its application scope will continue to expand.