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Potassium Sorbate
Chemical Name: Potassium sorbate.2,4-di-ethene acid kalium
Molecular Formula: C6H7KO2
Molecular Weight: 150.22
Properties: White crystal or crystalline powder
Quality standard: GB13736-92, FCC-V
Application: It is used for food, cosmetic, medical health product and preservative for tobacco As unsaturated acid,it also used in resins,spices and rubber industries.
Packing: (1)25kg or 50kg(net weight)carton lined with plastics bag,(2)30kg(net weight)fiber drum lined with plastics bag,(3)25kg(net weight)woven bag or kraft paper bag lined with plastics bag.
Storage and transport: Kept in tightly closed containers, it should be stored in a dry and ventilative warehouse, kept away from moisture and hot. Furthermore, it should be stored separately from poisonous substances. Handled with care, so as to avoid to damage bags.
Index item FCC-V GB13736-92
Content % 98.0-101.0 98.0-102.0
Clarity -- Passes test
Free acid(in sorbic acid)≤% Passes test --
Free alkali (in K2CO3)≤% Passes test Passes test
Loss on drying ≤% 1 1
Chloride(in Cl) ≤% -- 0.018
Sulfate(in S04) ≤% -- 0.038
Heavy metal(in lead) ≤% -- 0.001
Aldehyde(in HCHO) ≤% -- 0.001
Arsenic(in As2O2)Content≤% 0.0002 0.0003
Lead ≤mg/kg 2 --
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