Potassium sorbate
- CAS NO.:24634-61-5
- Empirical Formula: C6H7KO2
- Molecular Weight: 150.22
- MDL number: MFCD00016546
- EINECS: 246-376-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-05-30 16:33:02
What is Potassium sorbate?
Description
Potassium sorbate is a white crystalline powder. It is a potassium salt of sorbic acid.It was originally discovered in the 1850’s, and was derived from the Mountain Ash Tree. Today, potassium sorbate is synthetically created.Potassium sorbate is a good food preservatives, fully degradable, similar to fatty acids found naturally in foods. It is used to slow the growth of molds and yeasts in foods. It is commonly found in margarine, wines, cheeses, yogurts, soft drinks, and baked goods. Potassium sorbate has been used has a food preservative for many years. There have been extensive long-term tests that have confirmed its safety and it is on the Center for Science in the Public Interest list of safe additives.
The Uses of Potassium sorbate
Sorbic acid and its potassium salt is commonly employed as food preservative in wide range of foodstuffs, such as cheese, pickles, sauces and wines.
Potassium sorbate is a food grade preservative generally regarded as safe (GRAS) worldwide. It is the inactive salt of sorbic acid. It readily dissolves in water where it converts to sorbic acid, its active form, at a low pH. Sorbic acid is very pH dependent. While it shows some activity up to pH 6 (about 6%), it is most active at pH 4.4 (70%). At pH 5.0 it is 37% active. As sorbic acid, it is considered to be active against mold, fair against yeast and poor against most bacteria. Sorbic acid is an unsaturated fatty acid and as such is subject to oxidation (use of an antioxidant like Mixed Tocopherols T50 is recommended). It is also sensitive to UV light and may turn yellow in solution. Gluconolactone is reported to stabilize potassium sorbate against discoloration and darkening in aqueous solutions and may be useful in stabilizing sorbic acid in the water phase of a product.
What are the applications of Application
Potassium sorbate is a mold and yeast inhibitor.
Properties of Potassium sorbate
Melting point: | 270 °C |
Density | 1,361 g/cm3 |
storage temp. | 2-8°C |
solubility | H2O: 1 M at 20 °C, clear, colorless to faintly yellow |
form | Powder |
color | White to light cream |
Odor | Odorless |
Water Solubility | 58.2 g/100 mL (20 ºC) |
Safety information for Potassium sorbate
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H319:Serious eye damage/eye irritation |
Precautionary Statement Codes |
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Potassium sorbate
InChIKey | CHHHXKFHOYLYRE-STWYSWDKSA-M |
Abamectin manufacturer
JSK Chemicals
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