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CAS RN: 7119-95-1 | 产品编码: N0965
1-Nitropyrazole
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技术规格
| Appearance | White to Light yellow powder to crystal |
| Purity(GC) | min. 97.0 % |
| Melting point | 92.0 to 96.0 °C |
| NMR | confirm to structure |
物性（参考值）
| 熔点 | 94 °C |
GHS
| 象形图 |
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| 信号词 | Warning |
| 危险性说明 | H302 : Harmful if swallowed. H315 : Causes skin irritation. H319 : Causes serious eye irritation. |
| 防范说明 | P501 : Dispose of contents/ container to an approved waste disposal plant. P270 : Do not eat, drink or smoke when using this product. P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ eye protection/ face protection. P302 + P352 : IF ON SKIN: Wash with plenty of water. P337 + P313 : If eye irritation persists: Get medical advice/ attention. P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P362 + P364 : Take off contaminated clothing and wash it before reuse. P332 + P313 : If skin irritation occurs: Get medical advice/ attention. P301 + P312 + P330 : IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. Rinse mouth. |
相关法规
运输信息
| HS编码* | 2933.19-000 |
应用
ニトロ化剤
Experimental procedure: Toluene (9.2 g, 0.1 mol) and 1-nitropyrazole (1.14 g, 0.01 mol) are dissolved in dichloromethane (50 mL). Into this solution, a solution of triflic acid (0.75 g, 0.01 mol) in dichloromethane (10 mL) is added. The reaction mixture is vigorously stirred at 25 °C under a dry nitrogen atmosphere. After 10 h the reaction mixture is quenched with ice-water and extracted with ether (2 x 50 mL). The ethereal extract is washed with sodium bicarbonate solution (5%, 25 mL) and brine and dried over anhydrous MgSO4. The ether is evaporated and the residue distilled to yield a mixture of nitrotoluenes (1.16 g, 92%).
References
- Aromatic Substitution. 47. Acid-Catalyzed Transfer Nitration of Aromatics with N-Nitropyrazole, a Convenient New Nitrating Agent
PubMed Literature
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