Potassium Sorbate

Sorbistat Potassium

CAS
590-00-1
EC
611-771-3
Food Code
E202
Sectors
Food & Nutrition, Personal Care & Cosmetics

Potassium Sorbate (CAS 590-00-1) is the white crystalline potassium salt of sorbic acid, supplied as a white to off-white powder that dissolves readily in water, and it is used as an antimicrobial preservative in food, beverage and cosmetic formulations. It is highly soluble in water, forming a neutral solution.

Typical Properties

Molecular formulaC6H8O2.K
Molecular weight150.22 g/mol
AppearanceWhite powder. Soluble in water (25C).
FormSolid
ColorWhite to Off-White
Odorat 100.00?%. characteristic
Melting point270 °C
Density1.363 g/cm³ @ Temp: 25 °C
GHS signal wordWarning · Irritant / harmful
Grades availableFood Grade

Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.

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Potassium Sorbate

Applications

Widely used in food preservation, beverage stabilization, and cosmetic formulations. In pharmaceuticals, it extends shelf life by preventing microbial growth. It also serves as a mild preservative in personal care and dairy products.

Safety & Risks

Non-toxic and GRAS-approved; may cause mild irritation at high concentrations. Avoid prolonged exposure to humidity.

Packaging

Supplied in 25 kg PE-lined paper bags or fiber drums. Store in a cool, dry, and tightly sealed location away from direct sunlight.