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: GB1886.39-2015 , FCC V , E202

Description
Application: White to off-white crystalline powder or granule, odorless or slight characteristic odor. It is easy to absorb moisture and oxidized to be colored. 270deg.c can be decomposition, Solubility(20deg.c,g/100mL): water 67.6; propanediol 5.8; ethanol 0.3; soluble in water.
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