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4-羟基香豆素
4-Hydroxycoumarin
产品价格查看更多规格...
| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 3050059 | 100g | 662 | |||
| 3050059 | 500g | 2590 | |||
| 3050059 | 2500g | 9410 |
产品别名
1076-38-6
4-羟基香豆素
4-Hydroxycoumarin
基本信息
| 应用 | 4-Hydroxycoumarin is involved in annulation reactions, due to the relatively high acidity of the C-H bond at the 3-position: a three-component reaction with isocyanides and dialkyl acetylene dicarboxylates affords annulated 4H-pyrans. |
| 备注 | Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Incompatible with strong oxidizing agents and strong bases. |
| MDL | MFCD00006856 |
| EINECS | 214-060-2 |
| 分子式 | C9H6O3 |
| 分子量 | 162.14 |
| 熔点 | ca 213° dec. |
| 灵敏度 | Ambient temperatures. |
| 形态 | Powder |
| 溶解性 | Soluble in ethanol and dimethyl formamide. Insoluble in water. |
| Beilstein | 129768 |
| 危险类别 | 22-36/37/38 Harmful if swallowed.Irritating to eyes, respiratory system and skin. |
安全信息
| 安全等级 | 26-36/37 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing and gloves. |
| RTECS | DJ3100000 |
| 欧盟危险品标志 |  |
| TSCA | 是 |
GHS危害和防范说明
| GHS符号 |  |
| Hazard Statements | H302-H315-H319-H335 Harmful if swallowed.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. |
