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UREA
UREA
SPECIFICATION
CLIOQUINOL |
|
CAS No. : 130-26-7 Grade : IP | |
Mol. Wt. : 305.50g/ mol Mol. Formula : C9H5CllNO | |
Appearance : A yellowish white to brownish yellow powder;odour,
faint and characteristic. Solubility : Freely soluble in dimethyl formamide and in pyridine; practically insoluble in ethanol (95 per cent) and in water. Identification A : Pass B : Pass C : Pass |
|
PARAMETERS | LIMITS |
*Assay(ODB) | 97.0-103.0% |
MAXIMUM LIMITS OF IMPURITIES | |
Acidity or alkalinity | Pass |
Free iodine | Pass |
Halide ions | Pass |
Related substance | The total content of the named impurities does not exceed 3.0 % w/w, the content of any other impurity does not exceed 0.2 % w/w and
The sum of the contents is not more than 4.0 % w/w. |
Sulphated ash | 0.2% |
Loss on drying | 0.5% |