Description
The final product is a tasteless and odorless powder. According to the FDA, it is considered safe to use because it decomposes into water and carbon dioxide in the body. It is on the list of preservatives that can be used with restrictions in cosmetic products, and its maximum allowable concentration in the final product is 0.6%, calculated as sorbic acid. It works best in an acidic environment, otherwise its properties are much weaker.
| Physical and chemical characteristics | Value |
|---|---|
| Contents | 99 – 101% |
| Loss on drying (105℃, 3h) | 1% Max. |
| Thermal stability | No color change after heating for 90 minutes at 105℃ |
| Acidity (as C6H8O2) | 1% Max. |
| Alkalinity (as K2CO3) | 1% Max. |
| Chlorides (as Cl) | 0.018% Max. |
| Aldehydes (as formaldehyde) | 0.1% Max. |
| Sulphates (as SO4) | 0.038% Max. |
| Lead (Pb) | 5 mg/kg Maks. |
| Arsen (As) | 3 mg/kg Maks. |
| Mercury (Hg) | 1 mg/kg Maks. |
| Heavy metals (as Pb) | 10 mg/kg Maks. |
| Volatile organic pollutants | Meets the requirements |
The shelf life of potassium sorbate is 24 months.
Salsal Trading SA offers potassium sorbate in 25 kg bags.
Potassium sorbate is safe for use in cosmetics in limited concentrations. Countless products containing potassium sorbate include: face creams, elixirs, oils, face washes, balms, foot and hand creams, hair masks, conditioners, trichological products and many more. It is used in various types of packaged foods to prevent spoilage during the manufacturing and packaging process, as well as throughout the shelf life.
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