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2(5H)-呋喃酮
2(5H)-Furanone
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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 |
| 3049182 | 1g | 948 | |||
| 3049182 | 5g | 2350 | |||
| 3049182 | 25g | 7570 |
产品别名
497-23-4
2(5H)-呋喃酮
2(5H)-Furanone
2-Buten-1,4-olide
gamma-Crotonolactone
基本信息
| 应用 | 2(5H)-Furanone is employed in the preparation of 5-substituted 2(5H) furanones (gamma-butenolides) catalyzed by bifunctional aminothiourea and aminosquaramide organocatalysts through direct aldol reaction with aromatic aldehydes. Further, it is used in the synthesis of lignans by Michael addition reactions. In addition to this, it is used in three-component Michael-Aldol reactions with an aldehyde and thiolate or carbanion. |
| 备注 | Light and moisture sensitive. Store in a cool place. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with strong oxidizing agents. |
| MDL | MFCD00005376 |
| EINECS | 207-839-3 |
| 分子式 | C4H4O2 |
| 分子量 | 84.07 |
| 熔点 | 3-4° |
| 沸点 | 212-214° |
| 闪点 | 101°(213°F) |
| 密度 | 1.197 |
| 折射率 | 1.4690 |
| 灵敏度 | Keep Cold. Light Sensitive. Store under Nitrogen. |
| 溶解性 | Immiscible with water. |
| Beilstein | 383585 |
| 危险类别 | 36/38 Irritating to eyes 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 | LU3453000 |
| TSCA | 否 |
GHS危害和防范说明
| GHS符号 |  |
| Hazard Statements | H315-H319 Causes skin irritation.Causes serious eye irritation. |
| Precautionary Statements | P280a-P264-P305+P351+P338-P321-P332+P313-P337+P313 Wear protective gloves and eye/face protection.Wash thoroughly after handling.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.Specific treatment (see label).If skin irritation occurs: Get medical advice/attention.If eye irritation persists: Get medical advice/attention. |
