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Potassium Sorbate

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INTRODUCTION
Parameters
Product Potassium Sorbate
CAS No. 590-00-1/24634-61-5
Molecular Formula C6H7KO2
Structural Formula
Molecular Weight 150.22
Quality Standard FCC IX
Packing In 25kgs carton
Shelf Life 2 years, Keep in cool and dry place
Specification Standard
Appearance White to off- white granular
Odor Slight characteristic odor
Solubility Freely soluble in water and practically insoluble in ether
Heat Stability No change in color after heating for 90 min at 105 ℃
Identification Test

(1) Potassium test: Passes Test

(2) Test of double bonds:Passes Test

(3) UV: conforms with standard spectrum

(4) Melting point:133.0135.0 ℃

Assay(on dry weight basis) 99%101.0%
pH-Value(10% water solution) 8.5-10.5
Transmittance ≥90.0%
Clarify Passes Test
Organic Volatile Impurities Meet the requirement
Acidity(As sorbic acid) ≤1%
Alkalinity(as K2CO3) ≤1%
Chloride(as Cl) ≤0.018%
Sulfate(as SO4) ≤0.038%
Loss On Drying ≤1.0%
Aldehydes(as formaldehyde) ≤0.1%
Heavy Metals(as Pb) ≤10mg/kg
Arsenic (as As) ≤3mg/kg
Lead ≤2mg/kg
Zinc ≤0.1mg/kg
Cadmium ≤0.02mg/kg
Mercury ≤1mg/kg
Please feel free contact AWI team via sales@awelling.com for more details, your inquiry will be replied within 1 working day.

 

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