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化合物简介
基本信息
CAS:20769-85-1
中文别名:溴代异丁酰溴;2-溴代异丁酰溴;2-溴异丁酰溴;α-溴异丁酰溴;
英文别名:Propanoyl bromide, 2-bromo-2-methyl-;2-BroMoisobutyryl BroMide;2-Bromoisobutyryl bromide;Propanoyl bromide,2-bromo-2-methyl;2-Bromo-2-methylpropionyl Bromide;2-Bromo-2-methylpropionyl bromide;BIBB;2-bromo-isobutyric acid bromide;2-bromo-2-methyl-propanoyl bromide;2-bromoisobutyryl chloride;α-Bromoisobutyryl bromide;
分子式:C4H6Br2O
分子量:229.898
精确质量:227.879
Psa:17.07
Logp:2.0814
中文别名:溴代异丁酰溴;2-溴代异丁酰溴;2-溴异丁酰溴;α-溴异丁酰溴;
英文别名:Propanoyl bromide, 2-bromo-2-methyl-;2-BroMoisobutyryl BroMide;2-Bromoisobutyryl bromide;Propanoyl bromide,2-bromo-2-methyl;2-Bromo-2-methylpropionyl Bromide;2-Bromo-2-methylpropionyl bromide;BIBB;2-bromo-isobutyric acid bromide;2-bromo-2-methyl-propanoyl bromide;2-bromoisobutyryl chloride;α-Bromoisobutyryl bromide;
分子式:C4H6Br2O
分子量:229.898
精确质量:227.879
Psa:17.07
Logp:2.0814
编号系统
PubChem号:24855196
MDL号:MFCD00000122
BRN号:1746128
EINECS号:244-017-3
MDL号:MFCD00000122
BRN号:1746128
EINECS号:244-017-3
物化性质
外观与性状:透明至黄色液体
密度:1.86g/mLat 20°C
沸点:162-164°C(lit.)
闪点:>110°C
折射率:n20/D 1.507(lit.)
水溶解性:reacts
稳定性:Stable, but may react with moisture. Incompatible with water, strong oxidizing agents, strong bases.
储存条件:Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Corrosives area. Store protected from moisture.
蒸汽压:2.11mmHg at 25°C
密度:1.86g/mLat 20°C
沸点:162-164°C(lit.)
闪点:>110°C
折射率:n20/D 1.507(lit.)
水溶解性:reacts
稳定性:Stable, but may react with moisture. Incompatible with water, strong oxidizing agents, strong bases.
储存条件:Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Corrosives area. Store protected from moisture.
蒸汽压:2.11mmHg at 25°C
安全信息
安全说明:S26-S36/37/39-S45
危险类别码:R34
WGK Germany:3
危险品运输编码:UN 3265 8/PG 2
海关编码:29159080
危险类别:8
包装等级:II
危险品标志:C
危险类别码:R34
WGK Germany:3
危险品运输编码:UN 3265 8/PG 2
海关编码:29159080
危险类别:8
包装等级:II
危险品标志:C
生产方法及用途
生产方法
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。 有机合成中间体。
用途
有机合成中间体。
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。 有机合成中间体。
用途
有机合成中间体。
合成路线
上游原料
下游产品
图谱
13C NMR : Predict

1H NMR : Predict

13C NMR : in CDCl3

1H NMR : parameter in CDCl3

Mass spectrum (electron ionization)

Mass

IR : liquid film
