Description

3,4-Dichlorobenzaldehyde is a versatile halogenated aromatic aldehyde that serves as a critical building block in advanced organic synthesis. Its high reactivity, particularly at the aldehyde group, makes it an indispensable intermediate for the production of pharmaceuticals, agrochemicals, and specialty polymers. This compound is primarily sought after by R&D chemists and process engineers in the fine chemical, pharmaceutical, and crop protection industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), including antifungal and antibacterial agents.
• Agrochemical Synthesis: Used in the manufacture of herbicides, fungicides, and plant growth regulators.
• Dyestuff and Pigment Production: Serves as a starting material for synthesizing complex organic dyes and colorants.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the production of specialty resins and high-performance polymers.
• Organic Synthesis: A valuable reagent for introducing the 3,4-dichlorophenyl moiety into target molecules via condensation, reduction, or oxidation reactions.
• Liquid Crystal and Electronic Material: Used in the research and development of advanced materials for electronic applications.

Basic Information

Product Name	3,4-Dichlorobenzaldehyde
CAS No.	6287-38-3
Molecular Formula	C7H4Cl2O
Molecular Weight	175.01 g/mol
Synonyms	3,4-Dichlorobenzenecarboxaldehyde; 3,4-DCBA; 1,2-Dichloro-4-formylbenzene; 4-Formyl-1,2-dichlorobenzene; NSC 404099; 3,4-Dichlorobenzencarbonal
EINECS	228-515-2

Quality Control

Our 3,4-Dichlorobenzaldehyde is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. We provide Certificates of Analysis (COA) with every shipment, detailing all relevant specifications. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, and we can support customer-specific validation requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere for long-term preservation. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	68°C - 72°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
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.