Description

4-Fluoro-2-Methylphenoxy Acetic Acid is a versatile fluorinated aromatic building block with significant utility in advanced organic synthesis. Its molecular structure, featuring both a phenoxy acetic acid moiety and a fluorine substituent, makes it a critical intermediate for creating compounds with tailored biological and physical properties. This product is essential for research and development chemists in the pharmaceutical and agrochemical industries seeking to introduce specific functionalities into target molecules.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring fluorinated aromatic systems to modulate bioavailability, metabolic stability, and receptor binding affinity.
• Agrochemical Synthesis: Used in the development of modern herbicides, fungicides, and plant growth regulators, where the fluorine atom enhances lipophilicity and biological activity.
• Liquid Crystal & Electronic Materials: Acts as a building block for fluorinated liquid crystals and organic electronic materials, contributing to improved thermal stability and dielectric properties.
• Chemical Research & Development: Employed in academic and industrial R&D for exploring new reaction pathways and creating novel fluorinated compounds for various material science applications.
• Fine Chemical Production: Utilized as a specialized intermediate in the custom synthesis of complex, high-value fine chemicals for diverse industrial sectors.

Basic Information

Product Name	4-Fluoro-2-Methylphenoxy Acetic Acid
CAS No.	451-88-7
Molecular Formula	C9H9FO3
Molecular Weight	184.16 g/mol
Synonyms	2-Methyl-4-fluorophenoxyacetic Acid; (4-Fluoro-2-methylphenoxy)acetic Acid; 4-Fluoro-o-cresoxyacetic Acid; FMEA; Acetic Acid, (4-Fluoro-2-methylphenoxy)-; 451-88-7; 4-Fluoro-2-methylphenoxyacetate
EINECS	Contact for details

Quality Control

Every batch of 4-Fluoro-2-Methylphenoxy Acetic Acid is manufactured and tested under a strict quality management system. We provide comprehensive analytical documentation to ensure traceability and consistency for your critical synthesis workflows. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for each lot upon request, supporting compliance with internal and regulatory standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture, which may affect product stability and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	108°C - 112°C
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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