β-丁内酯
β-丁内酯(英語:)是一种有机化合物,化学式C4H6O2,可看作是3-羥基丁酸发生分子内脱水形成的β-内酯。
| β-丁内酯 | |
|---|---|
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| IUPAC名 4-Methyloxetan-2-one | |
| 识别 | |
| CAS号 | 3068-88-0 |
| PubChem | 18303 |
| ChemSpider | 17288 |
| SMILES |
|
| UN编号 | 1993 |
| ChEBI | 82296 |
| KEGG | C19201 |
| 性质 | |
| 化学式 | C4H6O2 |
| 摩尔质量 | 86.09 g·mol−1 |
| 外观 | Colourless to light yellow liquid[1] |
| 沸点 | 71-73 °C(271 K) |
| 溶解性(水) | 268 g·l−1[1] |
| 溶解性 | Soluble in various organic solvents[1] |
| 危险性 | |
GHS危险性符号![]() ![]() ![]() | |
| GHS提示词 | Warning |
| H-术语 | H226, H315, H319, H351 |
| P-术语 | P201, P202, P210, P233, P240, P241, P242, P243, P264, P280, P281, P302+352, P303+361+353, P305+351+338 |
| 若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 | |
参考文献
- Entry from β-Butyrolactone from TCI Europe, retrieved on 20 December 2018
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