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10 Kilogram |
Negotiable |
Mebendazole 31431-39-7Mebendazole(5-Benzoyl-1H-benzimidazol-2-yl)carbamicacidmethylester 31431-39-7
Items |
Standard |
Test Result |
|
Appearance |
White to slightly yellow powder |
Off-white powder |
|
Solubility |
Freely soluble in formic acid;practically insoluble in water, in dilute solutions of mineral acids,in alcohol,in ether,and in chloroform. |
Complies |
|
Melting Point |
About 290℃ |
289-290℃ |
|
Identification |
IR |
Complies with reference spectrum |
Complies |
HPLC |
The retention time of the major peak of the Sample solution corresponds to that of the Standard solution, as obtained in the Assay. |
Complies |
|
Assay |
98.0-102.0% |
99.7% |
|
Residue on ignition |
≤20ppm |
<20ppm |
|
Loss on drying |
≤0.5% |
<0.1% |
|
Residual solvent |
Methylbenzene:≤890ppm |
175ppm 68ppm |
|
Conclusion |
Qualified |
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