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3-甲基吡唑-5-酮
3-Methyl-2-pyrazolin-5-one
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| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 3054809 | 10g | 386 | |||
| 3054809 | 50g | 2220 | |||
| 3054809 | 250g | 4860 |
产品别名
108-26-9
3-甲基吡唑-5-酮
3-Methyl-2-pyrazolin-5-one
2,4-Dihydro-5-methyl-3H-pyrazol-3-one
基本信息
| 应用 | 3-Methyl-2-pyrazolin-5-one is used in the preparation of spirocyclic [indole-3,4'-pyrano[2,3-c]pyrazole] by reacting with isatins and malonitrile in the presence of sodium bromide as electrolyte. |
| 备注 | Incompatible with oxidizing agents. |
| MDL | MFCD00020699 |
| EINECS | 203-565-3 |
| 分子式 | C4H6N2O |
| 分子量 | 98.11 |
| 熔点 | 220-224° |
| 灵敏度 | Ambient temperatures. |
| 形态 | Crystalline powder |
| 溶解性 | Slightly soluble in ethanol. |
| 危险类别 | 36/37/38 Irritating to eyes, respiratory system and skin. |
安全信息
| 安全等级 | 26-37 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| RTECS | UQ9451500 |
| TSCA | 是 |
GHS危害和防范说明
| GHS符号 |  |
| Hazard Statements | H315-H319-H335 Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation. |
| Precautionary Statements | P261-P280a-P305+P351+P338-P304+P340-P405-P501a Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations. |
