Potassium sorbate


Potassium sorbate

3.00
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SORBATO POTASSIUM

INCI: Potassium sorbate

FORMULA: C6H7O2K
P.M.:150,22

No. CAS 24634-61-5 

No. CE 246-376-1


Synonyms: Potassium 2,4-hexadienoate. E-202

CHARACTERISTICS
DESCRIPTION: Solid white grain grain with characteristic flavor and odor.
SOLUBILITY: Easily soluble in water, sparingly soluble in ethanol.

They have antibacterial and antifungal properties, particularly against molds and yeasts.
Its activity decreases to pH> 6.0 - 6.5, with an optimum of 4.5. They are used as a preservative in pharmaceutical and cosmetic preparations. It has the advantage over sorbic acid of having a greater solubility in water. Efficacy increases when combined with other antimicrobials or with glycols such as propylene glycol.
In emulsions it is better to use equal parts of the acid and the potassium salt because of the partition coefficient. Potassium sorbate has also been used to increase the ocular bioavailability of timolol. The aqueous solutions of Potassium sorbate can be sterilized by autoclaving.

ESSAYS
PARAMETER SPECIFICATION
WEALTH> 99.0%
DRYING LOSS <1.0%
THERMAL STABILITY (105 ºC, 90 min) No color changes
PUNTO FUSIÓN 133- 135 ºC
ACIDITY AND ALKALINITY <1.0%
ALDEHYDS <0.1% (calculated as formaldehyde)
HEAVY METALS (Pb) <10 ppm
ARSENIC <3 ppm
LEAD <5 ppm
MERCURY <1 ppm
GRANULOMETRIC PROFILE Diameter: 1 mm
Length: 3- 5 mm
PH value (at 50 g / l H2O) (20ºC): approx.8.3

INCOMPATIBILITIES: Non-ionic surfactants, some plastics, oxidizing and reducing agents, and heavy metal salts. Alkalis in the case of acid
sorbic

Very effective in cosmetics, combining it with sodium benzoate. Soluble in water is usually used 0.4%.

OBSERVATIONS: ADDITIVE Nº: E-202 - The product is suitable for use as a food additive, among other uses. For proper use in food, consult current regulations regarding doses and permitted uses.

CONSERVATION:
In tightly closed containers. Protect from light.

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