| Melting point |
199-201 °C (lit.) |
| Boiling point |
276.04°C (rough estimate) |
| Density |
1.3682 (rough estimate) |
| refractive index |
1.6910 (estimate) |
| storage temp. |
Keep in dark place,Inert atmosphere,Room temperature |
| solubility |
1 N HCl: ethanol, 1:1: soluble50mg/mL |
| form |
Powder |
| pka |
2.06±0.10(Predicted) |
| color |
Brown-red |
| Water Solubility |
1.2 g/L (20 ºC) |
| Merck |
14,6622 |
| BRN |
608106 |
| Henry's Law Constant |
1.3×106 mol/(m3Pa) at 25℃, HSDB (2015) |
| Stability |
Stable. Incompatible with strong acids, strong reducing agents, strong oxidizing agents, acid chlorides, acid anhydrides. |
| Cosmetics Ingredients Functions |
HAIR DYEING |
| Cosmetic Ingredient Review (CIR) |
4-Nitro-o-phenylenediamine (99-56-9) |
| InChI |
1S/C6H7N3O2/c7-5-2-1-4(9(10)11)3-6(5)8/h1-3H,7-8H2 |
| InChIKey |
RAUWPNXIALNKQM-UHFFFAOYSA-N |
| SMILES |
Nc1ccc(cc1N)[N+]([O-])=O |
| CAS DataBase Reference |
99-56-9(CAS DataBase Reference) |
| IARC |
3 (Vol. 16, Sup 7) 1987 |
| EPA Substance Registry System |
Nitro-o-phenylenediamine (99-56-9) |
