3-Methylpyrazole
Pharmaceutical Materials 2025-03-02
CAS Number: 1453-58-3
Molecular Formula: C4H6N2
Molecular Weight: 82.10
Appearance: Colorless to light yellow liquid
Usage: It is used as a nitrification inhibitor, pharmaceutical intermediate, and has applications in organic synthesis.
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| Property | Details |
|---|---|
| Chemical Name | 3-Methylpyrazole |
| CAS Number | 67-42-5 |
| Molecular Formula | C4H6N2 |
| Molecular Weight | 82.10 g/mol |
| Synonyms | 1H-Pyrazole, 3-methyl-; 3-Methyl-1H-pyrazole; β-Methylpyrazole |
| Appearance | Colorless to slightly yellow liquid with a pleasant odor |
| Melting Point | -75°C (lit.) |
| Boiling Point | 137-139°C (lit.) |
| Density | 0.955 g/mL at 25°C (lit.) |
| Refractive Index | 1.467-1.469 (20°C) |
| Solubility | Miscible with water and soluble in organic solvents such as ethanol, ether, and acetone |
| Flash Point | 39°C (closed cup) |
| Stability | Stable under normal conditions. May be incompatible with oxidizing agents and acids. |
| Applications | Used as a flavor and fragrance agent in foods, beverages, and cosmetics. It also has applications in the pharmaceutical industry as an intermediate in the synthesis of heterocyclic compounds. Additionally, 3-methylpyrazole is used as a reagent in chemical research and development. |
| 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. |
