Potassium Sorbate
Potassium sorbate 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 personalcare products.
Potassium sorbate is produced by reacting sorbic acid with anequimolar portion of potassium hydroxide. The resulting potassium sorbate maybe crystallized from aqueous ethanol.
Potassium sorbate is used to inhibit molds and yeasts in manyfoods, such as cheese, wine, yogurt, dried meats, apple cider, soft drinks and fruit drinks, and baked products.
It can also be found in the ingredients list of many dried fruit products. In addition, herbal dietary supplement products generally contain potassium sorbate, which acts to prevent mold and microbes and to increase shelf life, and is used in quantities at which there are no known adverse health effects, over short periods of time.
Quality Index:
| ITEMS | STANDARDs |
| Appearance | White to off-white granular |
| Assay | 99.0% - 101.0% |
| Loss on drying(105℃,3h) | 1% Max |
| Heat Stability | No change in colour after heating for 90 minutes at 105℃ |
| Acidity (as C6H8O2) | 1% Max |
| Alkalinity (as K2CO3) | 1% Max |
| Chloride (as Cl) | 0.018% Max |
| Aldehydes (as formaldehyde) | 0.1% Max |
| Sulfate (as SO4) | 0.038% Max |
| Lead (Pb) | 5 mg/kg Max |
| Arsenic (As) | 3 mg/kg Max |
| Mercury (Hg) | 1 mg/kg Max |
| Heavy metals (as Pb) | 10 mg/kg Max |
| Organic Volatile Impurities | Meet the requirements |
| Residual solvents | Meet the requirements |
If you need it,we can also customize the quality parameters for you.