您好，欢迎来到魔法化学网！
| CAS号 : | 17201-43-3 |
精确质量 : | 194.96800 |
| 分子式 : | C8H6BrN |
logP : | 2.45318 |
| 分子量 : | 196.04400 |
PSA : | 23.79000 |
对氰基溴化苄 | |
4-Cyanobenzyl bromide | |
17201-43-3 | |
C8H6BrN | |
196.04400 | |
23.79000 | |
2.45318 | |
194.96800 |
|
白色固体
|
|
|
1.588
|
|
|
Stable under normal temperatures and pressures.
|
|
|
125.1ºC
|
|
|
0.00321mmHg at 25°C
|
|
|
Store at 0-5ºC
|
|
|
115-117 °C(lit.)
|
|
|
1.51 g/cm3
|
|
|
143 °C / 12mmHg
|
|
II
|
|
|
8
|
|
|
2926909090
|
|
|
UN 3261 8/PG 2
|
|
|
3
|
|
|
R34
|
|
|
S22-S26-S36/37/39-S45-S28A
|
|
|
C
|
品名, 成分含量, 用途 |
|
2926909090 其他腈基化合物. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0% |
|
HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
|
2926909090. Other Nitrile-function compounds. General tariff:6.5% |
烧瓶中加入585g(5mol)4-氰基甲苯及3mL三氯化磷,搅拌着将反应物加热至135℃,维持132~137℃慢慢滴入790g(4.93mol)无水溴素,加完后再搅拌0.5h,放置过夜(<10℃)次日倾去未结晶的部分。上面产物全部溶解在100mL甲醇里,冷却,倾去母液,然后再重结晶或减压蒸馏。 | |
用于有机合成 |
