Potassium Sorbate 1. Assay:99.0%-101.0% of C6H8O2 2. White or off-white granulalar 3. We'r manufacturer 4. 25kgs or 50lbs/c

1. PRODUCTION DESCRIPTION:

White or off-white granular,slight characteristic odor,

freely soluble in water(approx. 1400g/L at 20°C),less soluble in ethyl alcohol(approx.1g/L at 20°C) and practically insoluble in ether. It decomposes at about 270°C.

2. PHYSICAL ANALYSIS:

Purity	Index
Assay(on dry weight basis)%	99.0%-101.0% of C6H8O2,on dry weight basis
Melting range	133-135°C
Acidity(as sobic acid)	Passes test (about 1%)
Heat stability	No discoloration after heating 90 minutes at 105°C
Free alkalinity(calc. as K2CO3)%	Passes test (about 1%)
Loss on drying% PH-Value	≤1%(Karl Fischer method,105°C for 3 h) 8.5-10.5(10% water solution)
Heavy metals(as lead),%	≤10ppm
Lead,%	≤2ppm
Mercury	≤1ppm
Aldehydes(as formaldehyde)%	≤0.1%
Arsenic,ppm	≤2ppm
Cadmium	≤0.02ppm
Zinc	≤0.1ppm
Chloride	≤180ppm
Sulfate(as S04)%	≤380ppm
Appearance	White or off white granular
Particle Size(As Mesh)	20 Mesh

  

Potassium Sorbate Granular food preservative grade e202