4,4-二氟乙酰乙酸乙酯 (CAS No.352-24-9)
- 中文别名
- 4,4-二氟-3-氧代丁酸乙酯；二氟乙酰乙酸乙酯；4,4-二氟乙酰乙酸乙酯
- 英文名称
- Ethyl 4,4-difluoroacetoacetate
- 分子式
- C6H8F2O3
- 所属类别
- 中间体
- 物化性质
- 无色至淡黄色透明液体，有酯类气味。相对密度约1.21 g/cm³（25°C），沸点约137°C，闪点约42°C。微溶于水，可溶于乙醇、乙醚、乙酸乙酯、丙酮等有机溶剂。需密封避光储存。
- 外观
- 无色至淡黄色透明液体
- 沸点
- 约137°C（760 mmHg）
- 密度
- 1.21 g/cm³（25°C）
English description（英文原文，共 1124 字符）
Product Name:Ethyl 4,4-difluoroacetoacetate
English Name:Ethyl 4,4-difluoroacetoacetate
CAS No.:352-24-9
Aliases:Ethyl 4,4-difluoro-3-oxobutanoate, 4,4-Difluoroacetoacetic acid ethyl ester
Molecular Formula:C6H8F2O3
Physical Properties:Colorless to light yellow transparent liquid with an ester-like odor. Relative density approximately 1.21 g/cm³ at 25°C; boiling point approximately 137°C; flash point approximately 42°C. Sparingly soluble in water; soluble in ethanol, diethyl ether, ethyl acetate, acetone, and other organic solvents. Should be stored sealed and protected from light.
Uses:Primarily used as an intermediate in pharmaceutical and agrochemical synthesis, for preparing fluorinated heterocyclic compounds such as pyrazoles and pyrimidines and key fluorinated fragments of active pharmaceutical ingredients. It is also used in the synthesis of organofluorine fine chemicals and functional materials.
Technical Specifications:
Purity (GC): ≥98%
Appearance: colorless to light yellow transparent liquid
Boiling point: approximately 137°C (760 mmHg)
Density: 1.21 g/cm³ at 25°C
Water content: ≤0.5%
English Name:Ethyl 4,4-difluoroacetoacetate
CAS No.:352-24-9
Aliases:Ethyl 4,4-difluoro-3-oxobutanoate, 4,4-Difluoroacetoacetic acid ethyl ester
Molecular Formula:C6H8F2O3
Physical Properties:Colorless to light yellow transparent liquid with an ester-like odor. Relative density approximately 1.21 g/cm³ at 25°C; boiling point approximately 137°C; flash point approximately 42°C. Sparingly soluble in water; soluble in ethanol, diethyl ether, ethyl acetate, acetone, and other organic solvents. Should be stored sealed and protected from light.
Uses:Primarily used as an intermediate in pharmaceutical and agrochemical synthesis, for preparing fluorinated heterocyclic compounds such as pyrazoles and pyrimidines and key fluorinated fragments of active pharmaceutical ingredients. It is also used in the synthesis of organofluorine fine chemicals and functional materials.
Technical Specifications:
Purity (GC): ≥98%
Appearance: colorless to light yellow transparent liquid
Boiling point: approximately 137°C (760 mmHg)
Density: 1.21 g/cm³ at 25°C
Water content: ≤0.5%
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常见问题
- 4,4-二氟乙酰乙酸乙酯的 CAS 号是多少？
- 4,4-二氟乙酰乙酸乙酯的 CAS 号是 352-24-9。
- 4,4-二氟乙酰乙酸乙酯的分子式和分子量是什么？
- 4,4-二氟乙酰乙酸乙酯的分子式为 C6H8F2O3。
- 4,4-二氟乙酰乙酸乙酯的英文名称是什么？
- 4,4-二氟乙酰乙酸乙酯的英文名称为 Ethyl 4,4-difluoroacetoacetate。
- 4,4-二氟乙酰乙酸乙酯还有哪些别名？
- 4,4-二氟乙酰乙酸乙酯又称 4,4-二氟-3-氧代丁酸乙酯、二氟乙酰乙酸乙酯、4,4-二氟乙酰乙酸乙酯。
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