Description

4-(4-Fluorophenoxy)Butanoic Acid Ethyl Ester is a high-purity fluorinated organic ester, a key building block in advanced chemical synthesis. Its molecular structure, featuring a fluorophenoxy moiety linked to an ethyl butanoate chain, makes it a versatile intermediate for creating compounds with tailored properties. This product is essential for research and development chemists in the pharmaceutical and agrochemical industries, where it serves as a precursor for active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting central nervous system and metabolic disorders.
• Agrochemical Synthesis: Used in the development of next-generation herbicides and fungicides, where the fluorine atom enhances biological activity and environmental stability.
• Liquid Crystal & OLED Materials: Serves as a building block for fluorinated components in electronic display materials, improving dielectric anisotropy and thermal stability.
• Polymer Modification: Employed to introduce fluorophenoxy side chains into polymers, altering surface properties, solubility, and chemical resistance.
• Organic Synthesis & Research: A valuable reagent for constructing complex molecular architectures in academic and industrial research laboratories.
• Fine Chemical Production: Utilized in the manufacture of specialty chemicals, including dyes, pigments, and performance additives.

Basic Information

Product Name	4-(4-Fluorophenoxy)Butanoic Acid Ethyl Ester
CAS No.	69687-96-3
Molecular Formula	C12H15FO3
Molecular Weight	226.25 g/mol
Synonyms	Ethyl 4-(4-Fluorophenoxy)Butanoate; 4-(p-Fluorophenoxy)Butyric Acid Ethyl Ester; Ethyl 4-(p-Fluorophenoxy)Butyrate; Butanoic Acid, 4-(4-Fluorophenoxy)-, Ethyl Ester; NSC 405124; 4-Fluorophenoxy Butyric Acid Ethyl Ester; Ethyl 4-(4-Fluorophenoxy)Butyrate; Ethyl 4-(4-Fluorophenoxy)Butanoate
EINECS	Contact for details

Quality Control

Every batch of 4-(4-Fluorophenoxy)Butanoic Acid Ethyl Ester is manufactured under strict quality management systems. We employ advanced analytical techniques including GC, HPLC, NMR, and MS to ensure identity, purity, and consistency meet the stringent requirements of our global clientele. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment, ensuring full traceability and compliance with your internal specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider holding under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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