PRODUCT Properties
| Melting point: | 195°C | 
                                    
| Boiling point: | 509.6±35.0 °C(Predicted) | 
                                    
| Density | 1.840±0.06 g/cm3(Predicted) | 
                                    
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature | 
                                    
| pka | 1.41±0.35(Predicted) | 
                                    
| form | solid | 
                                    
| color | Cream | 
                                    
| InChI | InChI=1S/C4H3N3O4/c8-4(9)3-2(7(10)11)1-5-6-3/h1H,(H,5,6)(H,8,9) | 
                                    
| InChIKey | ZMAXXOYJWZZQBK-UHFFFAOYSA-N | 
                                    
| SMILES | N1C=C([N+]([O-])=O)C(C(O)=O)=N1 | 
                                    
| CAS DataBase Reference | 5334-40-7(CAS DataBase Reference) | 
                                    
Description and Uses
4-Nitro-3-pyrazolecarboxylic acid may be used as a starting reagent for the synthesis of library of pyrazole derivatives, potential A3 adenosine receptor (A3AR) antagonists.
Safety
| Symbol(GHS) | ![]() GHS07  | 
                                    
| Signal word | Warning | 
| Hazard statements | H315-H319-H335 | 
| Precautionary statements | P261-P305+P351+P338-P280a-P304+P340-P405-P501a | 
| Hazard Codes | Xi | 
| Risk Statements | 20/21/22-36/37/38 | 
| Safety Statements | 22-36/37/39-37/39-26 | 
| WGK Germany | 3 | 
| HazardClass | IRRITANT | 
| HS Code | 29339900 | 







