Description

4-Fluorobutanoic Acid Ethyl Ester is a versatile fluorinated organic ester that serves as a critical building block in advanced chemical synthesis. Its value lies in the introduction of a fluorine atom and a reactive ester group, enabling precise modifications to molecular structures. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is used to develop novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key synthon for the preparation of fluorinated drug candidates, particularly in CNS and oncology research.
• Agrochemical Synthesis: Used in the development of novel herbicides and pesticides where fluorine incorporation enhances biological activity and stability.
• Liquid Crystal & OLED Materials: Serves as a precursor for fluorinated components in electronic display and lighting materials.
• Polymer Modification: Employed to introduce fluorine-containing side chains, altering the surface properties and chemical resistance of polymers.
• Organic Synthesis Building Block: Utilized in various reactions, including nucleophilic substitution and reduction, to construct complex fluorinated molecules.
• Flavor & Fragrance Industry: Acts as a potential intermediate for synthesizing specific ester-based aroma chemicals.

Basic Information

Product Name	4-Fluorobutanoic Acid Ethyl Ester
CAS No.	63904-96-1
Molecular Formula	C6H11FO2
Molecular Weight	134.15 g/mol
Synonyms	Ethyl 4-Fluorobutanoate; Ethyl 4-Fluorobutyrate; 4-Fluorobutyric Acid Ethyl Ester; Butanoic acid, 4-fluoro-, ethyl ester; γ-Fluorobutyric Acid Ethyl Ester; NSC 518801; Ethyl γ-Fluorobutyrate
EINECS	Contact for details

Quality Control

Our 4-Fluorobutanoic Acid Ethyl Ester is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We adhere to cGMP principles where applicable to support our clients in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to prevent moisture absorption and volatilization.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.405 - 1.415
Density (g/mL, 20°C)	1.05 - 1.10

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.