| Melting point | 26-28 °C (lit.) |
| Boiling point | 242-243 °C (lit.) |
| density | 1.099 g/mL at 25 °C (lit.) |
| refractive index | n |
| FEMA | 2978 | ISOQUINOLINE |
| Fp | 225 °F |
| storage temp. | 2-8°C |
| solubility | 5g/l |
| form | Low Melting Solid |
| pka | 5.42(at 20℃) |
| color | Light brown |
| PH | 7.5 (5g/l, H2O, 20℃) |
| Water Solubility | practically insoluble |
| Merck | 14,5222 |
| JECFA Number | 1303 |
| BRN | 107549 |
| InChIKey | AWJUIBRHMBBTKR-UHFFFAOYSA-N |
| CAS DataBase Reference | 119-65-3(CAS DataBase Reference) |
| NIST Chemistry Reference | Isoquinoline(119-65-3) |
| EPA Substance Registry System | Isoquinoline (119-65-3) |
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