Sorbic Acid

Sorbic acid, or 2,4-hexadienoic acid, is a natural organic compound used as a food preservative. It is a colourless solid that is slightly soluble in water and sublimes readily.

Sorbic acid and its salts, such as sodium sorbate, potassium sorbate, and calcium sorbate, are antimicrobial agents often used as preservatives in food and drinks to prevent the growth of mold, yeast, and fungi. In general the salts are preferred over the acid form because they are more soluble in water, but it is the acid form that is active.

Sorbic acid can also be used as an additive for cold rubber, and as an intermediate in the manufacture of some plasticizers and lubricants.

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