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  • Company Name : Jiangsu SEL Biochem Co., Ltd.
  • Tel : 86-571-88219255,13819107804
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Colistin Sulfate CAS:1264-72-8

Colistin Sulfate CAS:1264-72-8
Product Detailed
1) API of Colistin Sulfate for Veterinary Drug 2) Best Quality & Price in China 3) Capacity: 50MT / Month 4) CAS:1264-72-8


Colistin Sulfate CAS:1264-72-8


Colistin (Polymyxin E) is polymyxin antibiotic isolated from culture fluid of Bacillus polymyxa var colistinus bacteria in soil. Colistin is effective against most Gram-negative bacilli such as E-coil, Serpulina Hyodysenteriae, Salmonella Pullorum  and also effective on Pseudomonas aeruginosa.



[Molecular Formula]    2(C52H98N16O13) · 5(H2SO4) 


[Molecular Weight]      2801.27


[Specifications for EP7] 


Test Items



White or almost white, hygroscopic powder

Specific Rotation

-63º to -73º




4.0 to 6.0

Loss on Drying

3.5% max

Sulphate (Dried Basis)

16.0 to 18.0 %

Sulphated Ash

1.0% max

Total Impurities

23.0% max

Assay HPLC (Dried Basis)

Sum of E1,E2,E1-I,E1-7MOA,E3

77.0% min

Potency (Dried Basis)

19,000 IU/mg min


 1)  Improve growth performance and conversion rate of livestock & poultry;

 2)  Inhibit Gram-negative bacteria at growth duration or dormancy state;

 3)  Prevent bacterial diarrhea & synergistic effects with other antibiotics;

 4)  No cross tolerance with broad range of antibacterial agent;

 5)  Little absorbed by intestine and stomach, no residue.

[Recommended dosage]   g/ton of complete feed

Target Animals

Colistin Sulphate

Withdrawal Period


<2 months

2(60MU) – 20(600MU)

7 Days

2-4 months

2(60MU) – 40(1,200MU)


< 70 days

2(60MU) – 20(600MU)


< 3 months

5(150MU) – 40(1,200MU)

Note: 1ug of Colistin is equivalent to 30 units of Colistin; MU = Million Unit


 1)   May cause damage in kidney function by overdosing;

  2)  Prohibited to use during laying period. 

[Storage]   It should be kept cool and dry in well-closed original package.

[Package]   25kg Drum net each

[Shelf Life]   Two Years

We also manufacture the material for CP quality.

If you are interested in our product or need more information,

please do not hesitate to get in touch with us, your any questions are welcome!



Colistin Sulfate CAS:1264-72-8

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