Halquinol 95~105.0% (Veterinary usage)
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Item |
Standard |
Results |
Remark |
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Appearance |
A yellowish white to yellowish-gray voluminous powder, odor-faint characteristic of cresol |
Conforms |
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Solubility |
Practically insoluble in water;soluble in 250 parts of ethanol(96 per cent),in 130 parts of ether and in 50 parts of chloroform |
Conforms |
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Acidity |
3.0~5.0 |
4.55 |
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Iron |
≤80ppm |
Conforms |
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Chloride |
≤350ppm |
Conforms |
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Sulphate |
≤300ppm |
Conforms |
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Loss on drying |
≤0.5% |
0.08% |
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Sulphated Ash |
≤0.2% |
0.16% |
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Assay-GC(on dried basis) |
95%~105% |
96.70% |
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5-chloroquinolin-8-ol |
23~40% |
28.82% |
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5,7-dichloroquinolin-8-ol |
57~74% |
67.88% |
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7-chloroquinolin-8-ol |
≤4.0% |
Within limit |
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Conclusion |
The batch product complies with BP80 |
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