28466-26-4
| Name | 1H-PYRAZOL-4-YLAMINE |
| CAS | 28466-26-4 |
| EINECS(EC#) | 625-292-2 |
| Molecular Formula | C3H5N3 |
| MDL Number | MFCD01693729 |
| Molecular Weight | 83.0919 |
| MOL File | 28466-26-4.mol |
Chemical Properties
| Melting point | 75-77°C |
| Boiling point | 142.17°C (rough estimate) |
| density | 1.0248 (rough estimate) |
| refractive index | 1.5060 (estimate) |
| storage temp. | Keep in dark place,Inert atmosphere,Store in freezer, under -20°C |
| form | powder to crystal |
| pka | 17.70±0.50(Predicted) |
| color | White to Brown to Dark purple |
| Sensitive | Hygroscopic |
| InChI | InChI=1S/C3H5N3/c4-3-1-5-6-2-3/h1-2H,4H2,(H,5,6) |
| InChIKey | AXINVSXSGNSVLV-UHFFFAOYSA-N |
| SMILES | N1C=C(N)C=N1 |
| CAS DataBase Reference | 28466-26-4 |
| NIST Chemistry Reference | 4-NH2-pyrazole(28466-26-4) |
Safety Data
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302-H315-H319-H335 |
| Precautionary statements | P261-P264-P270-P301+P312-P302+P352-P305+P351+P338 |
| Hazard Codes | Xi,Xn |
| Risk Statements | |
| Safety Statements | |
| WGK Germany | 3 |
| RTECS | UQ4993000 |
| HazardClass | IRRITANT |
| HS Code | 2933199090 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Acute Tox. 4 Oral Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |
