Customization: | Available |
---|---|
CAS No.: | CAS:24634-61-5 |
Formula: | C6h7ko2 |
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Potassium sorbate - colorless to white flake crystal or crystalline powder, odorless or slightly smelly. Unstable in air. It can be colored by oxidation. Molecular weight 150.22. It is hygroscopic. Soluble in water and ethanol. It is mainly used as a food preservative, which is an acidic preservative combined with organic acids to improve the anti-corrosion reaction effect. It is prepared with potassium carbonate or potassium hydroxide and sorbic acid as raw materials.
Items of Analysis |
Specification |
Result |
|
Active content (as K2CO3) |
≥99.0% |
99.6% |
|
Chloride (as KCL) |
≤0.01% |
0.002% |
|
Sulphate (as K2SO4) |
≤0.01% |
0.003% |
|
Calcium (Ca) |
≤0.002% |
0.0007% |
|
Copper(Cu) |
≤0.0005% |
0.0002% |
|
Iron Fe |
≤0.001% |
0.0002% |
|
Pb % |
≤0.0005% |
0.0002% |
|
Insoluble matter in water |
≤0.02% |
0.009% |
|
Heavy metal (as Pb) |
≤20ppm |
<2ppm |
|
Ignition loss |
≤ 0.6% |
0.31% |