Potassium Sorbate CAS#24634-61-5
High Safety & Non-toxicity
Recognized as low-toxic preservative worldwide, completely metabolized by human body without residue, safe for long-term use.
Broad Antibacterial Spectrum
Effectively inhibit molds, yeasts and harmful bacteria, with excellent antimicrobial performance in weakly acidic environment.
Excellent Chemical Stability
Stable under dry condition, not easy to decompose; compatible with most raw materials without chemical reaction.
Good Solubility & Compatibility
Easily soluble in water, convenient for dosing and mixing, no adverse effect on product original flavor.
Potassium sorbate is a potassium salt of sorbic acid, appearing as white or off-white crystalline powder with slight characteristic odor. It is a high-efficiency and environment-friendly preservative with chemically inert property. Featuring low toxicity, broad bacteriostasis and good solubility, it is widely used in food, daily chemical, feed and other industries as a mainstream antimicrobial preservative.
Potassium Sorbate Chemical Properties
Parameter | Standard Value |
CAS Number | 24634-61-5 |
Density | 1.36 g/cm³ (20°C) |
Melting Point | 270°C (Decomposition) |
Molecular Weight | 150.22 |
pH Value | 7.0-8.0 (1% Aqueous Solution) |
Purity | ≥98.0% |
Solubility | Freely soluble in water, slightly soluble in ethanol |
Loss on Drying | ≤1.0% |
Heavy Metal (Pb) | ≤2.0 mg/kg |
Appearance | White or Off-white Crystalline Powder |
Odor | Odorless or Slight Special Odor |
Stability | Stable under dry condition; easy to oxidize and discolor when exposed to moisture and air. |
Safety Information
Parameter | Standard Value |
WGK Germany | 1 |
RTECS Number | WG2100000 |
HS Code | 2916190000 |
Hazard Classification | Non-hazardous Substance |
Exposure Limit | No Specific Limit |
TSCA | Yes |
Main Application Fields
Potassium sorbate has a wide range of application scenarios. It is mainly used as food preservative for beverages, pastries, meat products, pickled food and alcoholic drinks to extend shelf life. It can also be applied in daily chemicals such as cosmetics and personal care products for antibacterial preservation. In addition, it is widely used in feed industry, pharmaceutical intermediates and industrial anticorrosion fields.






