Description

4-(2,4-Difluoro-Phenoxy)-Butyric Acid is a high-purity fluorinated aromatic building block of significant interest in advanced organic synthesis. Its core value lies in its unique molecular structure, which incorporates both a phenoxy linker and a carboxylic acid functional group, making it a versatile intermediate for constructing complex molecules. This compound is primarily needed by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of new active ingredients.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly those targeting specific biological receptors.
• Agrochemical Synthesis: Used in the creation of advanced herbicides, fungicides, and plant growth regulators, where the difluorophenoxy moiety can enhance biological activity and environmental stability.
• Liquid Crystal & OLED Material Precursor: Serves as a building block for fluorinated organic electronic materials, contributing to improved performance in displays and lighting.
• Polymer Modification: Employed to introduce fluorinated aromatic segments into polymer chains, potentially altering thermal stability, chemical resistance, and surface properties.
• Chemical Research & Development: A valuable tool for medicinal chemistry and material science research, enabling structure-activity relationship (SAR) studies and the exploration of new chemical entities.

Basic Information

Product Name	4-(2,4-Difluoro-Phenoxy)-Butyric Acid
CAS No.	127556-94-9
Molecular Formula	C10H10F2O3
Molecular Weight	216.18 g/mol
Synonyms	4-(2,4-Difluorophenoxy)butanoic Acid; Butyric Acid, 4-(2,4-difluorophenoxy)-; 2,4-Difluorophenoxybutyric Acid; γ-(2,4-Difluorophenoxy)butyric Acid; 4-(2,4-Difluorophenoxy)butyric Acid; DFBA; 127556-94-9 (CAS)
EINECS	Contact for details

Quality Control

Our 4-(2,4-Difluoro-Phenoxy)-Butyric Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality commitment supports applications requiring high-purity intermediates for research and cGMP-compliant production.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	< 20 ppm

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