您好，欢迎来到魔法化学网！
| CAS号 : | 108-29-2 |
精确质量 : | 100.05200 |
| 分子式 : | C5H8O2 |
logP : | 0.71190 |
| 分子量 : | 100.11600 |
PSA : | 26.30000 |
γ-戊内酯 | |
γ-valerolactone | |
108-29-2 | |
C5H8O2 | |
100.11600 | |
26.30000 | |
0.71190 | |
100.05200 |
|
1.432-1.434
|
|
|
无色至淡黄色透明液体
|
|
|
96ºC
|
|
|
207-208ºC
|
|
|
-31ºC
|
|
|
1.05
|
|
|
0.235mmHg at 25°C
|
|
|
Stable at room temperature in closed containers under normal storage and handling conditions.
|
|
|
Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container.
|
|
29322980
|
|
|
S26-S39
|
|
|
I; II; III
|
|
|
Xi
|
|
|
R36
|
|
2933990090
|
|
2933990090. 其他仅含氮杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0% | |
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
|
暂时无法加载合成路线，请稍后刷新重试 |
<p>由乙酰乙酸与硫酸共热而得。由乙酰丙酸在镍、铜等金属催化剂存在下加氢而得。</p> | |
<p>γ-戊内酯有较强的反应能力,可用作树脂溶剂及各种有关化合物的中间体。也用作润滑剂、增塑剂、非离子型表面活性剂的胶凝剂、加铅汽油的内酯类添加剂,用于纤维素酯和合成纤维的染色。γ-戊内酯具有香兰素和椰子香味。我国GB2760-86规定为允许使用的食用香料。主要用以配制桃、椰子、香草等型香精。</p> |
