Description

4-Phenoxybenzoic Acid Methyl Ester is a high-purity organic ester compound, serving as a versatile and critical synthetic intermediate in advanced chemical manufacturing. Its value lies in its well-defined aromatic structure, which provides a reliable building block for constructing more complex molecules with specific functional properties. This product is essential for research and development laboratories, pharmaceutical ingredient synthesis, and the production of specialty chemicals and advanced materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring a diphenyl ether core structure.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Materials: Serves as a precursor in the manufacture of specialty monomers and polymers for electronic display technologies.
• Organic Synthesis & Research: A valuable reagent for academic and industrial R&D in constructing complex aromatic esters and exploring novel organic reactions.
• Polymer Modification: Employed as a functional monomer or additive to impart specific properties to engineering plastics and high-performance resins.
• Dye & Pigment Intermediate: Used in the synthesis of specialized colorants and photographic chemicals.

Basic Information

Product Name	4-Phenoxybenzoic Acid Methyl Ester
CAS No.	21218-94-0
Molecular Formula	C14H12O3
Molecular Weight	228.24 g/mol
Synonyms	Methyl 4-Phenoxybenzoate; Benzoic acid, 4-phenoxy-, methyl ester; 4-Phenoxybenzoic acid methyl ester; Methyl p-phenoxybenzoate; p-Phenoxybenzoic acid methyl ester; NSC 163044; Methyl 4-phenoxybenzoate
EINECS	Contact for details

Quality Control

Our 4-Phenoxybenzoic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure it meets the high-purity standards required for sensitive synthetic applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong alkalis and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed when not in use to prevent contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (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.