20721-50-0
| Name | DISPERSE BLACK 9 |
| CAS | 20721-50-0 |
| EINECS(EC#) | 243-987-5 |
| Molecular Formula | C16H20N4O2 |
| MDL Number | MFCD00161159 |
| Molecular Weight | 300.36 |
| MOL File | 20721-50-0.mol |
Chemical Properties
| Melting point | 157-160 °C(lit.) |
| Boiling point | 569.2±50.0 °C(Predicted) |
| density | 1.22±0.1 g/cm3(Predicted) |
| storage temp. | room temp |
| form | powder |
| pka | 14.21±0.10(Predicted) |
| ε(extinction coefficient) | ≥20000 at 458-464nm in H2O |
| λmax | 461 nm |
| Major Application | diagnostic assay manufacturing hematology histology |
| Cosmetics Ingredients Functions | HAIR DYEING |
| InChI | 1S/C16H20N4O2/c17-13-1-3-14(4-2-13)18-19-15-5-7-16(8-6-15)20(9-11-21)10-12-22/h1-8,21-22H,9-12,17H2 |
| InChIKey | NZKTVPCPQIEVQT-UHFFFAOYSA-N |
| SMILES | Nc1ccc(cc1)N=Nc2ccc(cc2)N(CCO)CCO |
| LogP | 2.500 (est) |
| EPA Substance Registry System | Ethanol, 2,2'-[[4-[(4-aminophenyl)azo]phenyl]imino]bis- (20721-50-0) |
Safety Data
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P305+P351+P338 |
| Hazard Codes | Xi |
| Risk Statements | |
| Safety Statements | |
| WGK Germany | 3 |
| TSCA | TSCA listed |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |