Quality FCC /E202 Function Antimicrobial agent; preservative Shelf life 2 years Chem. Name Potassium(E,E)-hexa-2,4-dienoate Formula C6H7KO2 Molecular weight 150.22 CAS-No. 24634-61-5 Customs tarif No. 2916-1995 Packaging and storage Store in tight containers Parameters Specification Appearance White Granular or white powder Heat stability no change in colour after heating for 90 minutes at 105 �°C Identification Add a few drops of bromine TS to 2 mL of the sample solution,the color disappears Melting Point 133.0-135.0 �°C Assay 99,0 â?? 101,0% Loss on Drying NMT 1,0% Alkalinity (as K2CO3) NMT 1,0% Acidity (as Sorbic acid) NMT 1,0% Aldehydes NMT 0,1% Heavy metals (as Pb) NMT 10 mg/kg Lead NMT 2 mg/kg Mercury NMT 1 mg/kg Arsenic NMT 3 mg/kg Chloride(as CI) NMT 0.1% Sulfate(as SO4 ) NMT 0.1%
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