Benzoylmetronildazole CAS NO.13182-89-3

1) Description White or cream coloured crystalline powder or flakes. 2) Solubility Freely soluble in chloroform, in dichloromethane and in ethanol (…

1) Description White or cream coloured crystalline powder or flakes. 2) Solubility Freely soluble in chloroform, in dichloromethane and in ethanol (95%) soluble in acetone; slightly soluble in ether, practically insoluble in water. 3) Identification Light absorption in the range 230 nm to 360nm of 0.001% w/v soluble in ethanol exhibits a maximum only at about 309 nm; absorbance at about 309 nm, about 0.3. Gives reactions of benzoates. Melts between 98oC and 102oC 4) pH :- (2% w/v suspension) Between 5.0 to 7.0 5) Related substances by TLC Impurity :- NMT 0.3% 6) Free benzoic acid NMT 0.2% 7) Sulphated ash NMT 0.1% 8) Loss on drying NMT 0.5% 9) Assay 98.0% to 101.0%