Freely soluble in water; insoluble in acetone, in ethyl acetate and in benzene
Solubility (JP)
It is freely soluble in water and practically insoluble in ethanol (99.5%)
Identification A : FTIR (USP)
Matches with the standard pattern
Identification 1 (JP)
A blue-purple colour develops
Identification B : Sulfate (USP)
Meets the requirements
Identification 2 (JP)
The principal spot obtained from the sample solution and the spot obtained from the standard solution show a purple-brown colour and the same Rf value
Identification C (USP)
The retention time of the major peak of the sample solution corresponds to that of the standard solution, as obtained in the assay
Identification 3 (JP)
A white precipitate is formed
pH (1% in water at 25°C) (USP)
6.50 - 8.50
Optical rotation (JP)
+112.00° to +123.00° (1% in water at 20°C)
Organic impurity (USP)
The chromatograms show principal spots at the same Rf value and no secondary spot, if present from the sample solution, is more intense than the principal spot of standard solution 2
Related substance : TLC (JP)
The spot other than the principal spot obtained from the sample solution is not more intense than the spot from the standard solution
Crystallinity (USP)
Meets the requirements
Sulphuric acid : sulphate (JP)
15.0 - 17.0% (on dried basis)
Residue on ignition (USP)
<= 1.00%
Residue on ignition (JP)
<= 0.50%
Arsenic (JP)
<= 0.0001%
Heavy metals (JP)
<= 0.0010%
Loss on drying (USP, JP)
<= 4.00% (at 60°C at apressure not exceesing 5 mm of mercuryfor 3 hr)
Potency : System suitability : Resolution (USP)
>= 3.00
Potency : System suitability : Relative standard deviation (USP)
<= 2.00%
Potency (USP)
min. 750 µg/mg (on dried basis)
Potency (JP)
750 - 832 µg/mg (on dried basis)
Bacterial endotoxins (USP)
<= 0.67 USP EU/mg of kanamycin
Sterility (USP)
Complies
Storage and Shelf Life
Storage
Store at 2 - 8°C away from bright light.
Shelf life
36 months.
Use before expiry date
Use before expiry date given on the product label.