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Potassium sorbate

Molecular Structure:
MDL:
MFCD00016546
Molecular Formula:
C6H7KO2
Molecular Weight:
150.21
Alias:
2,4-己二烯酸钾,(E,E)-2,4-己二烯酸钾盐 2,4-Hexadienoic acid potassium salt Sorbic acid potassium salt
Product order:
Name Specifications Packing Price Delivery
Potassium sorbate CP 100g RMB 61.6 现货
Potassium sorbate GR 100g RMB 75.9 现货
Potassium sorbate CP 500g RMB 93.5 现货
Potassium sorbate GR 500g RMB 129.8 现货
Potassium sorbate 药用级 500g RMB 94.6 现货
Character:
白色鳞片状结晶。无气味或稍有气味。在空气中不稳定,会被氧化而变色。20℃时溶解度:水58.2%,乙醇6.5%,丙二醇5.8%,乙醚0.1%。半数致死量(小鼠,经口)5860mg/kg。有刺激性。
密度:1.363
熔点:>270℃
Quality Standard:
项目                                      化学纯  
                                           (CP)
干燥失重Loss on drying                    ≤2.0%  
碱度Alkality(以OH-计)/(mmol/100g)       ≤4.0  
硫酸盐Sulfate                             ≤0.048%  
氯化物Chloride                            ≤0.018%  
熔点Melting point ℃                      130.0~135.0  
砷Arsenic                                 ≤0.0004%  
重金属Heavy metals                        ≤0.002%  


项目                                      优级纯  
                                          (GR)
外观Appearance                           白色至浅乳白色粉末
红外光谱鉴别Infrared spectrometry        和对照品匹配  
纯度Purity                               ≥99.0% (中和滴定)
干燥失重Loss on drying                   <1 % (105°C, 3 hrs)
重金属Heavy metals (as Pb)               <10 ppm
As                                       < 2 ppm
Cu                                       < 10 ppm
Ni                                       < 10 ppm
Pb                                       < 10 ppm
酸碱度试验Acidity/alkalinity             passes test 

Storage:
密封阴凉干燥保存。
用途  霉菌和酵母菌的抑制剂。
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