2-溴代异丁酸甲酯 (CAS No.23426-63-3)
- 中文别名
- 2-溴异丁酸甲酯；α-溴代异丁酸甲酯；2-溴-2-甲基丙酸甲酯
- 英文名称
- Methyl 2-bromoisobutyrate
- 分子式
- C5H9BrO2
- 分子量
- 181.03
- 所属类别
- 有机无机原料
- 物化性质
- 常温下为无色至淡黄色透明液体，熔点-45℃，沸点141～143℃（常压），50～52℃/2.67kPa（减压），密度1.380 g/cm³（20℃），折射率1.4440～1.4460。不溶于水，易溶于乙醇、乙醚、丙酮、甲苯、二氯甲烷等有机溶剂。常温密封条件下稳定，避免与强氧化剂、强碱接触；α-溴原子具有较高的亲核取代反应活性，甲酯基团在碱性条件下可发生水解反应，高温下可能发生热分解。
- 纯度
- 99%
- 沸点
- 141～143℃（常压）
- 密度
- 1.380 g/cm³（20℃）
English description（英文原文，共 1607 字符）
Product Name:Methyl 2-bromoisobutyrate
English Name:Methyl 2-bromoisobutyrate
CAS No.:23426-63-3
Aliases:Methyl 2-bromo-2-methylpropanoate, Methyl alpha-bromoisobutyrate, 2-Bromo-2-methylpropionic acid methyl ester
Molecular Formula:C5H9BrO2
Physical Properties:Colorless to light yellow transparent liquid at room temperature; melting point -45°C; boiling point 141-143°C (at atmospheric pressure), 50-52°C/2.67 kPa (reduced pressure); density 1.380 g/cm³ at 20°C; refractive index 1.4440-1.4460. Insoluble in water, soluble in ethanol, ether, acetone, toluene, dichloromethane and most organic solvents. Stable under sealing at room temperature, avoid contact with strong oxidants and strong bases; the α-bromo atom exhibits high reactivity in nucleophilic substitution, and the methyl ester group can hydrolyze under alkaline conditions, and may decompose at high temperature.
Uses:As an α-bromo carboxylate alkylating reagent, it introduces the 2-isobutyrate methyl ester moiety into target molecules via nucleophilic substitution of the bromine atom, serving as an important raw material for the synthesis of pharmaceutical intermediates and fine chemicals. It is also used as an initiator for atom transfer radical polymerization (ATRP) to prepare well-defined polymer materials. Additionally, it can be used as a standard substance for developing qualitative and quantitative analytical methods for related compounds.
Technical Specifications:
Purity: 99%
Molecular weight: 181.03
Boiling point: 141-143°C (atmospheric pressure)
Density: 1.380 g/cm³ (20°C)
Refractive index: 1.4440-1.4460
English Name:Methyl 2-bromoisobutyrate
CAS No.:23426-63-3
Aliases:Methyl 2-bromo-2-methylpropanoate, Methyl alpha-bromoisobutyrate, 2-Bromo-2-methylpropionic acid methyl ester
Molecular Formula:C5H9BrO2
Physical Properties:Colorless to light yellow transparent liquid at room temperature; melting point -45°C; boiling point 141-143°C (at atmospheric pressure), 50-52°C/2.67 kPa (reduced pressure); density 1.380 g/cm³ at 20°C; refractive index 1.4440-1.4460. Insoluble in water, soluble in ethanol, ether, acetone, toluene, dichloromethane and most organic solvents. Stable under sealing at room temperature, avoid contact with strong oxidants and strong bases; the α-bromo atom exhibits high reactivity in nucleophilic substitution, and the methyl ester group can hydrolyze under alkaline conditions, and may decompose at high temperature.
Uses:As an α-bromo carboxylate alkylating reagent, it introduces the 2-isobutyrate methyl ester moiety into target molecules via nucleophilic substitution of the bromine atom, serving as an important raw material for the synthesis of pharmaceutical intermediates and fine chemicals. It is also used as an initiator for atom transfer radical polymerization (ATRP) to prepare well-defined polymer materials. Additionally, it can be used as a standard substance for developing qualitative and quantitative analytical methods for related compounds.
Technical Specifications:
Purity: 99%
Molecular weight: 181.03
Boiling point: 141-143°C (atmospheric pressure)
Density: 1.380 g/cm³ (20°C)
Refractive index: 1.4440-1.4460
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常见问题
- 2-溴代异丁酸甲酯的 CAS 号是多少？
- 2-溴代异丁酸甲酯的 CAS 号是 23426-63-3。
- 2-溴代异丁酸甲酯的分子式和分子量是什么？
- 2-溴代异丁酸甲酯的分子式为 C5H9BrO2，分子量约 181.03。
- 2-溴代异丁酸甲酯的英文名称是什么？
- 2-溴代异丁酸甲酯的英文名称为 Methyl 2-bromoisobutyrate。
- 2-溴代异丁酸甲酯还有哪些别名？
- 2-溴代异丁酸甲酯又称 2-溴异丁酸甲酯、α-溴代异丁酸甲酯、2-溴-2-甲基丙酸甲酯。
- 2-溴代异丁酸甲酯有哪些供应商和生产厂家？
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