Product Name:Colistin Sulfate
Standard:     BP/EP

Molecular formula: Colistin A: C₅₃H₁₀₀N₁₆O₁₃    Colistin B: C₅₂H₉₈N₁₆O₁₃

Molecular Weight:  Colistin A:1169            Colistin B:1155

CAS No.: 1264-72-8

Properties: A white or almost white powder. stinkless, bitter and hygroscopic, frelly soluble in water, slightly soluble in methanol and ethandal, Insoluble in acetone, enther, etc. Its free base is slightly soluble in water. Stable under PH Value 3-7.5.

Potency (dried substance): not less than 19,000 IU./m

Advantages:Toxicity and no side effects.

Adaptability:Colistin sulfate is an antibiotic of basic polypetides composed.It has strong antibiotic effect against intestinal diseases caused by gram-negative bacilli.It is used as feed addictive and also has some growth to the dried substance.

Directions for use:Mix 2-20g Colistin Sulfate Premix into 1000kg feed.