您好，欢迎来到魔法化学网！
| CAS号 : | 431-47-0 |
精确质量 : | 128.00900 |
| 分子式 : | C3H3F3O2 |
logP : | 0.72170 |
| 分子量 : | 128.05000 |
PSA : | 26.30000 |
三氟乙酸甲酯 | |
Methyl trifluoroacetate | |
431-47-0 | |
C3H3F3O2 | |
128.05000 | |
26.30000 | |
0.72170 | |
128.00900 |
|
n20/D 1.291(lit.)
|
|
|
无色透明液体
|
|
|
19 °F
|
|
|
43-43.5 °C(lit.)
|
|
|
-78 °C
|
|
|
1.273 g/mL at 25 °C(lit.)
|
|
|
8 g/L
|
|
|
69.8mmHg at 25°C
|
|
|
Stable under normal temperatures and pressures.
|
|
|
0-6ºC
|
|
1
|
|
|
3
|
|
|
S16-S26-S36/37/39-S45
|
|
|
II
|
|
|
UN 2924 3/PG 2
|
|
|
2942000000
|
|
|
F; C
|
|
|
R11; R34
|
|
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% |
<p>由三氟乙酸与甲醇酯化而得。将甲醇、三氟乙酸混合,添加浓硫酸,回流反应5h后进行高效分馏,收集50℃以前的馏分。再分馏一次,收集40-43℃馏分即为三氟乙酸甲酯。收率80%。</p> | |
<p>用于有机合成。</p> |
