3-Methyl-4-nitropyrazole
Pharmaceutical Materials 2025-03-02
CAS Number: 5334-39-4
Molecular Formula: C4H5N3O2
Molecular Weight: 127.10 g/mol
Appearance: Pale white crystal powder
Melting Point: 131-134°C
Boiling Point: 312.6-325°C
Flash Point: 142.85-142.9°C
Usage: Used as an intermediate in pharmaceutical and chemical synthesis.
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| Property | Details |
|---|---|
| Chemical Name | 3-Methyl-4-nitropyrazole |
| CAS Number | 5551-67-5 |
| Molecular Formula | C4H5N3O2 |
| Molecular Weight | 127.10 g/mol |
| Synonyms | 4-Nitro-3-methylpyrazole, 1H-Pyrazole, 3-methyl-4-nitro- |
| Appearance | Yellowish crystalline solid |
| Melting Point | 158-160°C (lit.) |
| Boiling Point | 274.7±23.0°C at 760 mmHg (predicted) |
| Density | 1.42±0.1 g/cm³ (predicted) |
| Refractive Index | 1.586 (predicted) |
| Solubility | Soluble in polar organic solvents such as DMSO, DMF, and ethanol |
| Flash Point | 120.3±23.2°C (predicted) |
| Stability | Stable under normal conditions. May be incompatible with oxidizing agents and bases. |
| Applications | Used as an intermediate in the synthesis of heterocyclic compounds, particularly pyrazoles. It can also be used as a reagent in chemical research and development, particularly in the field of organic synthesis. |
| Safety Information | May cause skin and eye irritation. Handle with appropriate personal protective equipment. Store in a cool, dry place away from heat, sparks, and open flames. Keep away from oxidizing agents and incompatible materials. Follow relevant safety regulations and instructions when using this chemical. |
