Description

4-Chloro-2-Methoxybenzaldehyde is a versatile aromatic aldehyde building block of significant importance in advanced organic synthesis. Its molecular structure, featuring both chloro and methoxy substituents, makes it a key intermediate for constructing complex molecules with specific electronic and steric properties. This compound is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring a substituted benzaldehyde scaffold.
• Agrochemical Synthesis: Used in the manufacture of herbicides, fungicides, and insecticides, where the chloro-methoxy-benzene core contributes to biological activity.
• Dye and Pigment Production: Serves as a starting material for synthesizing complex organic dyes and pigments, influencing color and fastness properties.
• Ligand and Catalyst Development: Employed in research to create novel ligands for metal-catalyzed reactions and organocatalysts.
• Flavor and Fragrance Ingredient: Acts as a building block for certain aroma chemicals, contributing to complex scent profiles.
• Material Science Research: Used in the development of organic semiconductors, liquid crystals, and polymers with tailored properties.

Basic Information

Product Name	4-Chloro-2-Methoxybenzaldehyde
CAS No.	53581-86-5
Molecular Formula	C8H7ClO2
Molecular Weight	170.59 g/mol
Synonyms	2-Methoxy-4-chlorobenzaldehyde; 4-Chloro-o-anisaldehyde; 4-Chloro-2-methoxybenzaldehyde; 4-Chloro-2-methoxybenzenecarboxaldehyde; 4-Chloro-2-methoxy-benzaldehyde; p-Chloro-o-anisaldehyde; 2-Methoxy-4-chlorobenzenecarboxaldehyde
EINECS	Contact for details

Quality Control

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

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 material is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen or argon.

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%
Residue on Ignition	≤ 0.1%

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