您好，欢迎来到魔法化学网！
| CAS号 : | 383-63-1 |
精确质量 : | 142.02400 |
| 分子式 : | C4H5F3O2 |
logP : | 1.11180 |
| 分子量 : | 142.07700 |
PSA : | 26.30000 |
三氟乙酸乙酯 | |
Ethyl trifluoroacetate | |
383-63-1 | |
C4H5F3O2 | |
142.07700 | |
26.30000 | |
1.11180 | |
142.02400 |
|
n20/D 1.307(lit.)
|
|
|
透明无色液体
|
|
|
30 °F
|
|
|
60-62 °C(lit.)
|
|
|
-78 °C
|
|
|
1.194 g/mL at 25 °C(lit.)
|
|
|
HYDROLYSIS
|
|
|
Stable under normal temperatures and pressures.
|
|
|
2-8ºC
|
|
1
|
|
|
3
|
|
|
S9-S16-S26-S36/39-S45-S36/37/39
|
|
|
II
|
|
|
UN 1993 3/PG 2
|
|
|
2915900090
|
|
|
F
|
|
|
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>由三氟乙酸与乙醇酯化而得。将三氟乙酸冷却后,在搅拌下加入无水乙醇,反应放热,待停止放热后,慢慢加入浓硫酸。加热回流半小时后进行分馏,收集62-64℃馏分,即得三氟乙酸乙酯。收率94%。 </p> | |
<p>农药、医药等中间体。</p> |
