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2-溴-2-甲基丙酰溴

2-溴-2-甲基丙酰溴用途

【用途一】
有机合成中间体。

2-溴-2-甲基丙酰溴名称

[ CAS 号 ]:
20769-85-1

[ 中文名 ]:
2-溴-2-甲基丙酰溴

[ 英文名 ]:
2-bromo-2-methylpropanoyl bromide

[中文别名 ]:

[英文别名 ]:

EINECS 244-017-3
2-BroMoisobutyryl BroMide
Propanoyl bromide,2-bromo-2-methyl
2-Bromo-2-methylpropionyl bromide
BIBB
2-bromo-isobutyric acid bromide
2-bromoisobutyryl chloride
2-bromo-2-methyl-propanoyl bromide
α-Bromoisobutyryl bromide
MFCD00000122

2-溴-2-甲基丙酰溴物理化学性质

[ 密度 ]:
1.86 g/mL at 20 °C

[ 沸点 ]:
162-164 °C(lit.)

[ 分子式 ]:
C₄H₆Br₂O

[ 分子量 ]:
229.89800

[ 闪点 ]:
>110°C

[ 精确质量 ]:
227.87900

[ PSA ]:
17.07000

[ LogP ]:
2.08140

[ 外观性状 ]:
透明至黄色液体

[ 蒸汽压 ]:
2.11mmHg at 25°C

[ 折射率 ]:
n20/D 1.507(lit.)

[ 储存条件 ]:
存放于惰性气体之中;避免湿气 (分解)

[ 稳定性 ]:
Stable, but may react with moisture. Incompatible with water, strong oxidizing agents, strong bases.

[ 水溶解性 ]:
reacts

2-溴-2-甲基丙酰溴MSDS

2-溴-2-甲基丙酰溴安全信息

[ 符号 ]:

GHS05, GHS07

[ 信号词 ]:
Danger

[ 危害声明 ]:
H302-H314

[ 警示性声明 ]:
P280-P305 + P351 + P338-P310

[ 个人防护装备 ]:
Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ 危害码 (欧洲) ]:
C:Corrosive;

[ 风险声明 (欧洲) ]:
R34

[ 安全声明 (欧洲) ]:
S26-S36/37/39-S45

[ 危险品运输编码 ]:
UN 3265 8/PG 2

[ WGK德国 ]:
3

[ 包装等级 ]:
II

[ 危险类别 ]:
8

[ 海关编码 ]:
29159080

2-溴-2-甲基丙酰溴合成路线

2-溴-2-甲基丙酰溴上下游产品

2-溴-2-甲基丙酰溴上游产品

2-溴-2-甲基丙酰溴下游产品

2-溴-2-甲基丙酰溴制备

将溴滴加到异丁酸和红磷的混合物中，在100℃反应6h，减压蒸出未反应的溴和溴化氢。冷却，分去亚磷酸，得2-溴代异丁酰溴粗品。粗品经减压分馏，收集91-98℃（13.3kPa）馏分，即为成品。

2-溴-2-甲基丙酰溴海关

[ 海关编码 ]: 2915900090

[ 中文概述 ]:
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%

[ 申报要素 ]: 品名, 成分含量, 用途

[ 监管条件 ]: A.入境货物通关单 B.出境货物通关单

[ 检验检疫 ]: 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

[ Summary ]:
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%

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