| Halquinol | BP80 |
| Characters | Yellowish white to yellowish-gray voluminous powder |
| Solubility | Practically insoluble in water,soluble in 250 parts of ethanol,50 parts of chloroform |
| Assay | 99.1% |
| Ash content | <0.23% |
| Loss on drying | <0.3% |
| Clarity of solution | Conforms |
| Acidity | 3.1 |