反式-4-氧基-2-丁烯酸乙酯
Ethyl trans-4-oxo-2-butenoate
产品价格
| 产品编号 | 品牌 | 纯度规格 | 包装单位 | 单价(元) | 现货 |
| 3046356 | Alfa Aesar | 96% | 25g | 3690 | 请咨询 |
| 3046356 | Alfa Aesar | 96% | 100g | 10870 | 请咨询 |
| 3499718 | 韶远 | 95% | 1g | 73 | 请咨询 |
| 3499718 | 韶远 | 95% | 5g | 221 | 请咨询 |
| 3499718 | 韶远 | 95% | 10g | 387 | 请咨询 |
| 3499718 | 韶远 | 95% | 25g | 732 | 请咨询 |
| 3499718 | 韶远 | 95% | 100g | 2510 | 请咨询 |
| 3516991 | J&K | 96% | 25G | 1190 | 请咨询 |
| 3516991 | J&K | 96% | 100G | 4120 | 请咨询 |
结构式
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基本信息
| 应用 | Ethyl trans-4-oxo-2-butenoate is an intermediate used to synthesize pharmaceutically active molecules. It is also used in the asymmetric catalytic alkynylation of acetaldehyde, producing attractive synthons with broad applications, such as (+)-Tetrahydropyrenophorol. |
| 备注 | Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Incompatible with oxidizing agents. |
| MDL | MFCD00236170 |
| 分子式 | C6H8O3 |
| 分子量 | 128.13 |
| 熔点 | -9° |
| 沸点 | 184-188° |
| 闪点 | 68°(154°F) |
| 密度 | 1.063 |
| 折射率 | 1.4550 |
| 灵敏度 | Keep Cold. |
| 形态 | Liquid |
| 溶解性 | Slightly soluble in water(2.6 g/L at 25°C). |
| Beilstein | 8762336 |
| 包装组 | III |
| 危险类别 | 25-34-43 Toxic if swallowed.Causes burns.May cause sensitization by skin contact. |
安全信息
| 危险等级 | 8 |
| 安全等级 | 20-23-26-36/37/39-45-60 When using do not eat or drink.Do not breathe gas/fumes/vapour/spray (appropriate wording to be specified by the manufacturer).In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).This material and its container must be disposed of as hazardous waste |
| TSCA | 否 |
GHS危害和防范说明
| GHS符号 |   |
| Hazard Statements | H227-H301-H314-H318-H317 Combustible liquid.Toxic if swallowed.Causes severe skin burns and eye damage.Causes serious eye damage.May cause an allergic skin reaction. |
| Precautionary Statements | P210e-P301+P310a-P303+P361+P353-P305+P351+P338-P405-P501a IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations. |