Address:
Shandong,China
Main Products:
feed additive,veterinary medcine,biological preparation,transfer factor,vaccine
(Colistin Sulfate, CAS NO.1264-72-8)
Standard: EP
Package: drum/carton
Unit: bou/kg Colistin Sulphate EP5 (Colistin Sulfate CAS NO.1264-72-8)
Test Specification
Characteristics:White or almost white powder
IdentificationMeets EP specification
PH4.0 ~ 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 substancesAny impurity≤4.0%
Total impurity≤23.0%
Potency(Moisture basis)-------
Potency (Dried basis)≥19000IU/mg