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Appearance
|
White or almost white crystalline powder or colorless crystals
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|
Assay (by HPLC)
|
98.0 -102.0%
|
|
Solubility
|
Very slightly soluble in water, freely soluble in ethanol (96 per cent) and in methanol
|
|
Appearance of solution
|
Passes test
|
|
Identification (as per BP)
|
Passes test
|
|
Melting point
|
115 - 118°C
|
|
Acidity
|
Passes test
|
|
Related Substances
|
-
|
|
Impurity A
|
NMT 0.5%
|
|
Unknown impurities
|
NMT 0.5%
|
|
Total impurities
|
NMT 1.0%
|
|
Sulphated ash
|
Max 0.1%
|