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Potassium sorbate CAS 590-00-1 is the potassium salt of Sorbic Acid, chemical formula C6H7KO2. Its primary

use is as a food preservative (E number 202). Potassium sorbate is effective in a variety of applications including food

wine, and personal care products. Potassium sorbate is produced by reacting Sorbic Acid with an equimolar portion of

potassium hydroxide. The resulting potassium sorbate may be crystallized from aqueous ethanol.

Specification

Appearance                            White granular

Assay                                    99.0~101.0%

Free acid(as sorbic acid)          <1%

Free Alkali(as K2CO3)             <1%

Heavy metals(as Pb)               ≤10ppm

Arsenic(as As)                        ≤3ppm

Loss on drying                        ≤1.0%

Lead                                      ≤2ppm

Melting Point(As sorbic acid)   133.0°C-135.0°C

Mercury                                 ≤1ppm

Aldehydes                              <0.1%

Chloride(as Cl)                       ≤0.1%

Application

Potassium sorbate is used to inhibit molds and yeasts in many foods, such as cheese, wine, yogurt, dried meats,
apple cider, soft drinks and fruit drinks, and baked goods. It can also be found in the ingredients list of many
dried fruit products. Potassium sorbate is used in food, vegetables in soy, tabacco, drugs, cosmetics, agricultural
products,forage and other domain.It is also used in resins,spices and rubber industries.

Packing

25kg or 50kg/bag/carton/drum

Storage & Transport

Stored in cool and airy place; away from fire and heat; handle with care; no breakage, avoid leakage