| Identification | Back Directory | [Name]
4-Methyl-3-nitropyrazole | [CAS]
38858-90-1 | [Synonyms]
4-Methyl-3-nitropyrazole
4-Methyl-5-nitro-pyrazole
4-Methyl-3-nitro-1H-pyrazole
4-methyl-3-nitro-2H-pyrazole
1H-Pyrazole, 4-methyl-3-nitro- | [Molecular Formula]
C4H5N3O2 | [MDL Number]
MFCD08685901 | [MOL File]
38858-90-1.mol | [Molecular Weight]
127.101 |
| Chemical Properties | Back Directory | [Boiling point ]
317.2±22.0 °C(Predicted) | [density ]
1.426±0.06 g/cm3(Predicted) | [storage temp. ]
Sealed in dry,Room Temperature | [form ]
crystalline solid | [pka]
9.27±0.50(Predicted) | [color ]
Off white to faint beige |
| Hazard Information | Back Directory | [Uses]
4-Methyl-3-nitropyrazole is used in the synthesis of 4-(N-azolyl)-3,5-dinitropyrazoles. | [Synthesis]
General method: 5-iodo-4-methyl-1H-pyrazole (1 mmol) was dissolved in tetrahydrofuran (THF, 10 mL) and Fuajasite catalyst (250 mg) was added. Concentrated nitric acid (density 1.52 g/cm3, 10 mL) was added slowly and the reaction mixture was stirred at room temperature until the reaction was complete. Upon completion of the reaction, the catalyst was recovered by filtration and the filtrate was extracted with dichloromethane several times. The organic phases were combined and concentrated under reduced pressure to remove the solvent to give the target product 4-methyl-3-nitro-1H-pyrazole. | [References]
[1] Synthetic Communications, 2012, vol. 42, # 23, p. 3463 - 3471
[2] Catalysis Communications, 2013, vol. 42, p. 35 - 39 |
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| Company Name: |
J & K SCIENTIFIC LTD.
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| Telephone: |
18210857532 18210857532 |
| Website: |
https://www.jkchemical.com |
| Company Name: |
Energy Chemical
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| Telephone: |
400-0056266 |
| Website: |
www.energy-chemical.com |
| Company Name: |
Cool Pharm, Ltd
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| Telephone: |
021-58581007 18019463053 |
| Website: |
http://www.coolpharm.com.cn |
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