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potassium sorbate

Potassium Sorbate (Granular)

Potassium sorbate (granular) is a chemical compound widely used as a food preservative. It is the potassium salt of sorbic acid and is characterized by its granular form, making it easy to handle and incorporate into various products.

Chemical Information:

  • Chemical Formula: C6H7KO2
  • Molecular Weight: 150.22 g/mol
  • CAS Number: 24634-61-5


Physical Properties:

  • Appearance: White to off-white granules
  • Odor: Odorless
  • Solubility: Soluble in water
  • Melting Point: 270°C (518°F)



  1. Food Industry: Potassium sorbate is extensively used in the food industry to inhibit the growth of mold, yeast, and fungi, thereby extending the shelf life of food products. Common applications include:

    • Baked goods
    • Dairy products (e.g., cheese, yogurt)
    • Beverages (e.g., fruit juices, wines)
    • Processed vegetables and fruits
  2. Cosmetics and Personal Care: It is also used as a preservative in cosmetics and personal care products such as lotions, creams, and shampoos to prevent microbial contamination and spoilage.

  3. Pharmaceuticals: In the pharmaceutical industry, potassium sorbate is utilized to preserve medications, ensuring their efficacy and safety over time.

  4. Wine Production: It prevents the re-fermentation of wines and ciders by inhibiting yeast activity.

Safety and Handling:

  • Safety: Potassium sorbate is generally recognized as safe (GRAS) when used appropriately. However, it should be handled with care to avoid inhalation or direct contact with skin and eyes.
  • Storage: Store in a cool, dry place, away from moisture and direct sunlight. Keep the container tightly closed when not in use to prevent caking and contamination.


Regulatory Status: Potassium sorbate is approved for use as a food additive by various health authorities, including the U.S. Food and Drug Administration (FDA) and the European Food Safety Authority (EFSA), with specific usage limits depending on the type of food product.

Environmental Impact: Potassium sorbate is considered environmentally friendly due to its biodegradability. It breaks down into water and carbon dioxide under natural conditions, posing minimal environmental risk.


  • Sorbistat-K
  • E202 (European food additive number)


Conclusion: Potassium sorbate (granular) is an effective and versatile preservative widely used across multiple industries to extend the shelf life and maintain the quality of various products. Its ease of use, safety profile, and regulatory acceptance make it a popular choice for manufacturers.