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 personal care products.
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 |
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