Description

p-Chloro-Methylphenyl Acetic Acid is a versatile chlorinated aromatic acid derivative that serves as a critical building block in advanced organic synthesis. Its value lies in providing a reactive phenylacetic acid core with a chloro substituent, enabling precise molecular modifications for creating high-value intermediates. This compound is essential for research and production in the pharmaceutical and agrochemical industries, where it is used to develop active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of non-steroidal anti-inflammatory drugs (NSAIDs) and other active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Building block for manufacturing herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & Dye Manufacturing: Used in the production of advanced materials and colorants requiring specific chlorinated aromatic structures.
• Organic Synthesis & Research: Versatile reagent for introducing the p-chlorophenylacetic acid moiety into complex molecules in academic and industrial R&D.
• Fine Chemical Production: Intermediate for creating specialty chemicals used in flavors, fragrances, and performance materials.

Basic Information

Product Name	p-Chloro-Methylphenyl Acetic Acid
CAS No.	56066-91-2
Molecular Formula	C9H9ClO2
Molecular Weight	184.62 g/mol
Synonyms	(4-Chlorophenyl)acetic acid, methyl ester; Methyl (4-chlorophenyl)acetate; p-Chlorophenylacetic acid methyl ester; 4-Chlorobenzeneacetic acid methyl ester; Methyl 4-chlorobenzeneacetate; Methyl p-chlorophenylacetate; 56066-91-2; Methyl (p-chlorophenyl)acetate
EINECS	Contact for details

Quality Control

Our p-Chloro-Methylphenyl Acetic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing specifications such as assay, identity, and impurity profiles. Our quality commitment supports applications requiring GMP and ISO standards.

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 heat, sparks, and open flame. The container should be kept tightly sealed when not in use to prevent moisture absorption and 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.