Description

4-Chloro-2-Methylbenzaldehyde is a versatile aromatic aldehyde derivative that serves as a critical building block in advanced organic synthesis. Its unique substitution pattern makes it a valuable intermediate for creating complex molecules with specific functionalities. This compound is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical and agrochemical sectors for developing active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with halogenated aromatic structures.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and pesticides, where the chloro and methyl groups contribute to biological activity.
• Dye and Pigment Manufacturing: Serves as a starting material for synthesizing specialized dyes and organic pigments.
• Liquid Crystal & OLED Materials: A building block for creating advanced organic electronic materials and liquid crystal displays.
• Flavor & Fragrance Industry: Intermediate for the synthesis of certain aromatic compounds used in perfumery.
• Organic Synthesis & Research: A versatile reagent in academic and industrial R&D for constructing complex heterocycles and other organic molecules.

Basic Information

Product Name	4-Chloro-2-Methylbenzaldehyde
CAS No.	40137-29-9
Molecular Formula	C8H7ClO
Molecular Weight	154.59 g/mol
Synonyms	2-Methyl-4-chlorobenzaldehyde; 4-Chloro-o-tolualdehyde; 4-Chloro-2-methylbenzenecarboxaldehyde; 2-Methyl-4-chlorobenzenecarboxaldehyde; p-Chloro-o-tolualdehyde; 4-Chloro-2-formyltoluene; 4-Chloro-2-tolualdehyde
EINECS	Contact for details

Quality Control

Our 4-Chloro-2-Methylbenzaldehyde is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This compound is easily oxidized and should be handled under an inert atmosphere for long-term storage to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	40 - 44 °C

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