Description

2-Chloro-4-Methylbenzaldehyde is a versatile aromatic aldehyde intermediate of significant importance in fine chemical synthesis. Its unique structure, featuring both chloro and methyl substituents, makes it a valuable building block for creating more complex molecules with tailored properties. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those requiring a substituted benzaldehyde moiety.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and pesticides, where its chlorinated aromatic structure is integral to biological activity.
• Dye and Pigment Manufacturing: Serves as a starting material for synthesizing complex organic dyes and pigments, contributing to color fastness and specific hue properties.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for constructing heterocyclic compounds, ligands, and other specialty organic molecules.
• Flavor and Fragrance Industry: Can be utilized as an intermediate for synthesizing certain aroma chemicals, though typically in highly purified grades.
• Polymer Additives: Potential use in the synthesis of monomers or stabilizers for specialty polymers and resins.

Basic Information

Product Name	2-Chloro-4-Methylbenzaldehyde
CAS No.	50817-80-6
Molecular Formula	C8H7ClO
Molecular Weight	154.59 g/mol
Synonyms	2-Chloro-p-tolualdehyde; 4-Methyl-2-chlorobenzaldehyde; 2-Chloro-4-methylbenzaldehyde; 2-Chloro-4-tolualdehyde; 2-Chloro-4-formyltoluene; 2-Chloro-p-toluic aldehyde; 2-Chloro-4-methylbenzenecarboxaldehyde
EINECS	Contact for details

Quality Control

Our 2-Chloro-4-Methylbenzaldehyde is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with every shipment, documenting all critical specifications. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for your most demanding synthesis applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is light-sensitive and easily oxidized; prolonged exposure to air and light should be avoided. For long-term storage, consider using an inert atmosphere (e.g., nitrogen or argon blanket). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Approx. 45 - 50 °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.