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Colistin Sulfate or Colistin Sulphate USP BP EP CAS 1264-72-8 
Product Name: Colistin Sulfate (Colistin Sulphate)
Synonyms: Colistini sulfas
CAS Number: 1264-72-8
Characteristics: A white or almost white powder. Colistin Sulfate (Colistin Sulphate) is hygroscopic
A mixture of the sulphates of polypeptides produced by certain strains of Bacillus polymyxa var. colistinus or obtained by any other means.
Content:
Total of Colistins E1, E2, E3, E1-I and E1-7MOA : Min 77.0 %
Colistin E1-I: Maximum 10.0%
Colistin E1-7MOA : Max 10.0%
Colistin E3: Maximum 10.0 %
Standard: EP, USP, CPV.
Package: 20KGS/DRUM, Gross weight: About 24Kg/Drum
Usage: Colistin Sulfate (Colistin Sulphate) is the raw material widely used in vet-Health industry. It will fight against some kind of infections. It also can be made in to Colistin Sulfate premix with different content(Assay)
COA of Colistin Sulfate (Colistin Sulphate)
Name of Product |
Colistin Sulfate (Colistin Sulphate) |
|
Testing Item |
Standard |
Result |
Heavy Metal |
≤ 0.003% |
< 0.003% |
Acidity (pH) |
4.0 ~ 6.5 |
5.9 |
Specific optical rotation |
-63° ~ -73° |
-72° |
Related substances |
Individual impurity ≤ 4.0 % Total impurities ≤ 23.0 % |
1.8% 15.3% |
|
Sulphate (as dried substance) |
16.0% ~ 18.0% |
17.1% |
Sulphated Ash |
≤ 1.0 % |
0.4% |
Loss on drying |
≤ 3.5% |
3.2% |
|
Biological potency (as wet substances) (as dried subatance) |
------- ------- |
22634 u/mg 23431 u/mg |
Assay |
E1+E2+E3+E1-I+E1-7MOA≥ 77.0% E1-I ≥ 10.0 % E1-7MOA ≥ 10.0 % E3 ≥ 10.0 % |
85.2% 0.7% 3.2% 2.8% |
