452-58-4
| Name | 2,3-Diaminopyridine |
| CAS | 452-58-4 |
| EINECS(EC#) | 207-200-9 |
| Molecular Formula | C5H7N3 |
| MDL Number | MFCD00006319 |
| Molecular Weight | 109.13 |
| MOL File | 452-58-4.mol |
Chemical Properties
| Appearance | Brown powder |
| Melting point | 110-115 °C (lit.) |
| Boiling point | 195°C 55mm |
| density | 1.1118 (rough estimate) |
| refractive index | 1.5340 (estimate) |
| Fp | 205 °C |
| storage temp. | Refrigerator (+4°C) |
| solubility | H2O: soluble50mg/mL, opaque (brown to very dark brown) |
| form | Solid |
| pka | 6.78±0.36(Predicted) |
| color | Very Dark Brown |
| Water Solubility | 100 g/L (20 ºC) |
| Sensitive | Air Sensitive |
| Detection Methods | HPLC，NMR |
| BRN | 109869 |
| InChI | 1S/C5H7N3/c6-4-2-1-3-8-5(4)7/h1-3H,6H2,(H2,7,8) |
| InChIKey | ZZYXNRREDYWPLN-UHFFFAOYSA-N |
| SMILES | Nc1cccnc1N |
| CAS DataBase Reference | 452-58-4(CAS DataBase Reference) |
Safety Data
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 |
| Hazard Codes | Xn,Xi,T |
| Risk Statements | |
| Safety Statements | |
| RIDADR | UN 2811 |
| WGK Germany | 3 |
| RTECS | US7548000 |
| F | 9 |
| Hazard Note | Irritant |
| HazardClass | 6.1 |
| PackingGroup | II |
| HS Code | 29333999 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |