Description

3,5-Dichlorobenzaldehyde is a versatile aromatic aldehyde characterized by two chlorine substituents in the meta positions. This compound serves as a critical high-purity intermediate for synthesizing more complex molecules in advanced chemical manufacturing. It is essential for producers in the pharmaceutical, agrochemical, and specialty chemical sectors who require reliable building blocks for active ingredient development.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a dichlorinated benzaldehyde scaffold.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides, where the chlorinated aromatic ring provides biological activity and stability.
• Dyestuff and Pigment Manufacturing: Serves as a building block for creating complex organic dyes and pigments, contributing to color fastness and molecular structure.
• Liquid Crystal & Electronic Chemicals: An important intermediate in the synthesis of organic compounds used in liquid crystal displays (LCDs) and other electronic materials.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for constructing heterocyclic compounds and exploring new chemical reactions.
• Polymer Modification: Can be incorporated as a monomer or cross-linking agent to introduce specific functional groups into polymer chains.

Basic Information

Product Name	3,5-Dichlorobenzaldehyde
CAS No.	10203-08-4
Molecular Formula	C7H4Cl2O
Molecular Weight	175.01 g/mol
Synonyms	3,5-Dichlorobenzaldehyde; m-Dichlorobenzaldehyde; Benzaldehyde, 3,5-dichloro-; 3,5-DCBA; 1-Formyl-3,5-dichlorobenzene; NSC 404087; 3,5-Dichlorobenzenecarboxaldehyde
EINECS	233-518-8

Quality Control

Our 3,5-Dichlorobenzaldehyde is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets the high-purity standards required for sensitive synthetic applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and bases. The material is light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	62 - 66 °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.