Item

Acceptance criteria

Result

Characters

Appearance:

White or almost white powder 

Complies

Solubility:

Very slightly or slightly soluble in water ,freelysoluble in anhydrous ethanol and in methanol ,slightly soluble in acetone

Complies

Identification 

A: IR:

The infrared absorption spectrum exhibits maximum only at the same wavelengths as that of the standard sample.   

Complies

B:  

It gives reaction of chlorides

Complies

Related substances:

Impurity B NMT0.15%  

0.0049%

Impurity E NMT0.05%  

0.0021%

Any other impurity NMT0.1% 

0.033%

Total of impurity NMT0.3 %

0.19%

Loss on drying: 

NMT0.5%

0.28%

Sulphated ash:

NMT0.1%  

0.03%

Purity:

NLT99.5% 

 99.81%