Sorbate de potassium

Sorbate de potassium granule

Chemical name, 2.4-1-lexadienoic acid. Potassium salt Chemical formula, d,H,KO,
Relative molecular mass, 150.22
Description: White or off-white granular, slight characteristic odor.
freely soluble in watertapprox.1400g/L at 20'C). less soluble in ethyl alcohol (approx.19/1 at practically insoluble in ether. It decomposes at about 270t.

Functional use: Preservative (food grade). antimicrobial agent
CAS NO.. 590-00-1/ 24634-61-5 E number: E 202 EINECS number: 246-376-1

Date of expiry: 2 years

Identification: Ultra-violet absorption: UV-Maximum264±2nm(solution of 0.0020/1. in water at pH<3) Test for potassium sorbate: Positive

Appearance : White or off white granular
Melting range :133-135°C
acidity (as sorbic acid) : Passes test (≤ 1%)
Free alkalinity ( as K2C0s). % : Passes test (≤ 1%)
Loss on drying (105°C for 3 H).% : ≤1.0%
Assay : 98.0%-101.0% of Celiti<0t on dry weight basis
pH-Value (5% water solution) : 8.5-10.5
Heavy metals(as lead). ppm : ≤10 ppm
Lead. ppm : ≤ 2ppm
Aldehydes (as formaldehyde) % : ≤ 0.1%
Arsenic. ppm : ≤ 3ppm
Zinc. ppm : ≤ 0.1ppm
1 Cadmium. ppm : ≤ 0.02 ppm
Chloride. PM : sl80ppm
Sulfate(as SO.) . ppm : ≤380ppm
Merixay. ppm : ≤ 1 ppm
Heat Stability : No discoloration after 24 hours al 1050