Sorbic acid, also known as 2,4-hexadienoic acid, is a natural organic compound used as a food preservative. It has the chemical formula CH₃(CH)₄CO₂H and the structure H₃C−CH=CH−CH=CH−C(=O)OH. Here are some of its uses:

1. Food Preservation and Flavor Enhancement:

   • Sorbic acid is used as a food preservative to extend the shelf life of various food products.

   • It is also employed in seasoning blends and liquorice candy to enhance flavor.

2. Electroplating:

   • It serves as an electrolyte for zinc electroplating.

   • Zinc electroplating provides a protective coating on metal surfaces.

3. Dyeing and Leather Preservation:

   • Sorbic acid acts as a mordant in dyeing processes.

   • It is also used as a preservative for skins and leather.