| Melting point | 298-302 °C (lit.) |
| Boiling point | 235.5°C (rough estimate) |
| density | 1.3293 (rough estimate) |
| vapor pressure | 0Pa at 25℃ |
| refractive index | 1.4330 (estimate) |
| storage temp. | Store below +30°C. |
| solubility | 0.6g/l |
| pka | 3.41±0.10(Predicted) |
| form | Powder |
| color | White to slightly yellow |
| PH | <7 (H2O, 20℃) |
| Water Solubility | 0.6g/L(15 ºC) |
| BRN | 2693561 |
| Dissociation constant | 0-0 at 23℃ |
| CAS DataBase Reference | 618-83-7(CAS DataBase Reference) |
| EPA Substance Registry System | 5-Hydoxyisophthalic acid (618-83-7) |


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