Description

4-Chloro-3-Methylbenzaldehyde is a versatile aromatic aldehyde derivative that serves as a critical building block in advanced organic synthesis. Its unique substitution pattern offers precise control over molecular architecture, enabling the development of high-value specialty chemicals. This intermediate is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and fine chemical sectors seeking to create novel compounds with specific functionalities.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring a halogenated benzaldehyde scaffold.
• Agrochemical Synthesis: Used in the manufacturing of herbicides, fungicides, and plant growth regulators where the chloro-methyl substitution pattern is beneficial.
• Fine Chemical Production: Serves as a starting material for dyes, pigments, and photographic chemicals.
• Ligand and Catalyst Development: Utilized in academic and industrial research to create novel ligands for metal-catalyzed reactions.
• Polymer Modification: Acts as a monomer or cross-linking agent in the production of specialty polymers and resins.
• Flavor and Fragrance Industry: Intermediate for the synthesis of certain aroma chemicals, subject to appropriate purity grades and regulatory compliance.

Basic Information

Product Name	4-Chloro-3-Methylbenzaldehyde
CAS No.	101349-71-7
Molecular Formula	C8H7ClO
Molecular Weight	154.59 g/mol
Synonyms	3-Methyl-4-chlorobenzaldehyde; 4-Chloro-m-tolualdehyde; 4-Chloro-3-methylbenzenecarboxaldehyde; 3-Methyl-4-chlorobenzenecarboxaldehyde; p-Chloro-m-tolualdehyde; 1-Chloro-2-methyl-4-formylbenzene; 4-Formyl-2-chlorotoluene
EINECS	Contact for details

Quality Control

Our 4-Chloro-3-Methylbenzaldehyde is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay (HPLC), identity confirmation (IR, NMR), and impurity profiling, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) with detailed chromatographic data are provided to guarantee traceability, purity, and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This compound is easily oxidized and should be handled under an inert atmosphere for long-term storage or when working with large quantities. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	48 - 52 °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.