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CAS RN: 7583-90-6 | 产品编码: A2558
1-Amino-2-methylpyridinium Iodide
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| 产品编码 | A2558 |
| 纯度/分析方法 | >98.0%(T)(HPLC) |
| 分子式/分子量 | C__6H__9IN__2 = 236.06 |
| 外观与形状（20°C） | 固体 |
| 储存温度 | 室温 (15°C以下阴凉干燥处) |
| 储存在惰性气体下 | 存放于惰性气体之中 |
| 应避免的情况 | 空气 |
| 包装和容器 | 1G-Glass Bottle with Plastic Insert （查看图片） |
| CAS RN | 7583-90-6 |
| Reaxys-RN | 3633876 |
| PubChem物质ID | 253660298 |
| MDL编号 | MFCD00955862 |
技术规格
| Appearance | White to Light yellow powder to crystal |
| Purity(HPLC) | min. 98.0 area% |
| Purity(Nonaqueous Titration) | min. 98.0 % |
| NMR | confirm to structure |
物性（参考值）
| 熔点 | 152 °C(dec.) |
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
运输信息
| HS编码* | 2933.39-000 |
应用
Synthesis of N-Ylides
Experimental procedure: A solution of 1-amino-2-methylpyridinium iodide (3 mmol) and ethyl cyanoacetate (4 g, 35 mmol) in 50 mL of ethanol is stirred with K2CO3 (5 g) at room temperature for 3 days. The reaction mixture is then filtered to remove insoluble inorganic substances and the filtrate is concentrated under reduced pressure. The residue is separated by column chromatography (alumina) using ether and the CHCl3 as eluents to give the ylide 1 in 69 % yeild.
References
- Synthesis Using Pyridinium N-Ylides. I. Synthesis and Some Reactions of Substituted 1-(Acetylimino)pyridinium Ylides
参考文献
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