Description
4,4′-Diaminodiphenylsulfone Chemical Properties
| Melting point | 175-177 °C(lit.) |
| Boiling point | 511.7±35.0 °C(Predicted) |
| density | 1.2701 (rough estimate) |
| vapor pressure | 0.004Pa at 25℃ |
| refractive index | 1.5950 (estimate) |
| storage temp. | 2-8°C |
| solubility | 0.38g/l |
| form | Crystalline Powder |
| pka | pKb 13.0(at 25℃) |
| color | White to beige |
| PH | 5.5-7.5 (H2O, 20℃)(saturated aqueous solution) |
| Water Solubility | <0.1 g/100 mL at 20 ºC |
| Merck | 14,2822 |
| BRN | 788055 |
| BCS Class | 4,2 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
| InChIKey | MQJKPEGWNLWLTK-UHFFFAOYSA-N |
| LogP | 0.97 at 25℃ |
| CAS DataBase Reference | 80-08-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Dapsone(80-08-0) |
| IARC | 3 (Vol. 24, Sup 7) 1987 |
| EPA Substance Registry System | Dapsone (80-08-0) |
Safety Information
| Hazard Codes | Xn |
| Risk Statements | 22 |
| Safety Statements | 22 |
| RIDADR | 3249 |
| WGK Germany | 1 |
| RTECS | BY8925000 |
| TSCA | Yes |
| HazardClass | 6.1(b) |
| PackingGroup | III |
| HS Code | 29051620 |
| HS Code | 29309070 |
| Hazardous Substances Data | 80-08-0(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: 1000 mg/kg LD50 dermal Rabbit > 4000 mg/kg |
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