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china chemical e202 food grade preservative potassium sorbate granular CAS No.590-00-1

Quantity:

1、Chemical Name:Potassium sorbate

2、Molecular Formula : C6H7KO2

3、Molecular Weight:150.22

4、CAS: 590-00-1

5、Character: White to light yellow, flaky crystalline granule or powder. Odorless or slight odor. It is deliquescent, decomposed and coloring which stored in air for long time. Relative density is 1.363. Melting point is 270℃(decomposed). Highly soluble in water. The PH value of aqueous solution with 1%is between 7 and 8.

6、Usage: Preservative; Mildew-retarding agent.

7、Packing:It is packed with polythene bag as the inner layer, and polywoven bag as the outer layer. The net weight of each bag is 25kg.

8、Storage and Transport: It should be stored in a dry, clean, and ventilativewarehouse, kept away from water and moisture during transport, unload with care so as to avoid damaging the bags. Be cautious to keep away from moisture and hot.

Item

GB13736-92

Content(on the base of dry basis)

98.0%~102.0%

Loss on drying(150℃,3h)

1%

Clear garde

Pass

PH value

Pass


0.1%

Chloride

0.018%

Arsenic

0.0003%

Heavy metals(Pb)

0.001%

Sulphate

0.038%


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