您好,欢迎来到魔法化学网!

| CAS号 : | 584-93-0 |
精确质量 : | 179.97900 |
| 分子式 : | C5H9BrO2 |
logP : | 1.63460 |
| 分子量 : | 181.02800 |
PSA : | 37.30000 |
2-溴戊酸 | |
2-Bromovaleric acid | |
584-93-0 | |
C5H9BrO2 | |
181.02800 | |
37.30000 | |
1.63460 | |
179.97900 |
|
透明淡黄色液体
|
|
|
n20/D 1.4709(lit.)
|
|
|
>230 °F
|
|
|
1.381 g/mL at 25 °C(lit.)
|
|
|
132-136 °C25 mm Hg(lit.)
|
|
III
|
|
|
8
|
|
|
2915900090
|
|
|
UN 3265 8/PG 2
|
|
|
3
|
|
|
R22; R23/24/25; R34
|
|
|
S26-S27-S28-S36/37/39-S45
|
|
|
YV6191500
|
|
|
C; T
|
品名, 成分含量, 用途 |
|
A.入境货物通关单 B.出境货物通关单 |
|
R.进口食品卫生监督检验 S.出口食品卫生监督检验 M.进口商品检验 N.出口商品检验 |
|
2915900090. 其他饱和无环一元羧酸及其酸酐(酰卤、过氧)化物、过氧酸及其卤化、硝化、磺化、亚硝化衍生物. 增值税率:17.0%. 退税率:9.0%. 监管条件:AB(入境货物通关单,出境货物通关单). 最惠国关税:5.5%. 普通关税:30.0% |
|
2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0% |
其制备方法是用异戊酸在赤磷存在下溴化而得2-溴代异戊酰溴,再水解得2-溴代异戊酸。 | |
2-溴代异戊酸又称α-溴代缬氨酸,是氟胺氰菊酯的中间体,也是催眠镇静药溴异戊脲的中间体。 |