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CAS RN: 584-13-4 | 产品编码: A1137
4-Amino-1,2,4-triazole
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技术规格
| Appearance | White to Gray to Brown powder to crystal |
| Purity(HPLC) | min. 98.0 area% |
| Purity(Nonaqueous Titration) | min. 98.0 % |
| Melting point | 84.0 to 88.0 °C |
物性（参考值）
| 熔点 | 86 °C |
| 溶解性（可溶于） | 甲醇 |
GHS
| 象形图 |
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| 信号词 | Warning |
| 危险性说明 | H315 : Causes skin irritation. H319 : Causes serious eye irritation. |
| 防范说明 | 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. |
相关法规
| RTECS# | XZ3850200 |
运输信息
| HS编码* | 2933.99-000 |
应用
Aminating Agent
Experimental procedure: 3-Nitro-4-phenylpyridine (10 mmol) in DMSO (30 mL) is added dropwise to a stirred solution of 4-amino-1,2,4-triazole (35 mmol) and tBuOK (20 mmol) in DMSO (60 mL) under nitrogen atmosphere. The reaction mixture is stirred for 5 h at room temperature, and then poured into water (200 mL) saturated with NH4Cl. The aqueous phase is extracted with CH2Cl2 (3 x 100 mL), the combined organic phases is evaporated, and the residue is recrystallized from water-methanol to give 1 (79% yield) as a yellow solid.
References
- Selective vicarious nucleophilic amination of 3-nitropyridines
参考文献
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技术规格
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