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Product name:Colistin sulphate 1264-72-8 Cas no.:1264-72-8 Purity: 99% min MF:C52H98N16O13

Product name:Colistin sulphate 1264-72-8Cas no.:1264-72-8Purity: 99% minMF:C52H98N16O13

Colistin sulphate 1264-72-8

Specification:

Test	Specification
Characteristics	White or almost white powder
Identification	Meets EP specification
PH	4.0 ~ 6.0
Loss on drying	≤3.5%
Optical rotation	-63° ~ -73°
Sulphated ash	≤1.0%
Sulphate (dried basis)	16.0% ~ 18.0%
Content (Dry basis HPLC)	Colistin E1-I≤10%
	Colistin E1-7MOA≤10%
	Colistin E3≤10%
	E1+ E2+E3+E1-I+E1-7MOA≥77.0%
Related substances	Any impurity≤4.0%
	Total impurity≤23.0%
Potency(Moisture basis)	-------
Potency (Dried basis)	≥19000IU/mg

Property:

A white or almost white powder, stinkless, bitter an hygroscopic, freely soluble in water, slightly soluble in methanol and ethanol, insoluble in acetone, ether, ect. Its free base in slightly soluble in water. Stable under PH value 3-7.5.

Usage:

Colistin sulphate is an antibiotic of basic polypeptides composed by various amino acids and fatty acids. It has strong antibiotic effect against intestinal diseases caused by gram-negative bacilli. It is used as feed addictive and also has some growth-promoting effect.

Storage:

To be stored away from light but in a cool and dry place.

Colistin sulfate 1264-72-8