Description

4-Chloro-3-Ethylbenzaldehyde is a versatile aromatic aldehyde building block of significant importance in advanced organic synthesis. Its molecular structure, featuring both chloro and ethyl substituents, makes it a critical intermediate for constructing complex molecules with tailored properties. This compound is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting central nervous system (CNS) disorders and anti-inflammatory applications.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides, where the chloro and ethyl groups contribute to biological activity and environmental stability.
• Liquid Crystal & OLED Material Precursor: Serves as a building block for synthesizing advanced organic electronic materials used in displays and lighting technologies.
• Dye & Pigment Manufacturing: Employed in the creation of specialized dyes and pigments, where its aldehyde functionality allows for condensation reactions to form chromophores.
• Polymer & Resin Modifier: Acts as a monomer or cross-linking agent to introduce specific aromatic and reactive aldehyde groups into polymer chains, enhancing material properties.
• Organic Synthesis Reagent: A valuable reagent in academic and industrial R&D for constructing complex organic frameworks via reactions like aldol condensation, reductive amination, and nucleophilic addition.

Basic Information

Product Name	4-Chloro-3-Ethylbenzaldehyde
CAS No.	945717-06-6
Molecular Formula	C9H9ClO
Molecular Weight	168.62 g/mol
Synonyms	3-Ethyl-4-chlorobenzaldehyde; 4-Chloro-3-ethyl-benzaldehyde; 1-Chloro-2-ethyl-4-formylbenzene; Benzaldehyde, 4-chloro-3-ethyl-; p-Chloro-m-ethylbenzaldehyde; 4-Chloro-m-ethylbenzaldehyde; 2-Ethyl-4-formylchlorobenzene; 945717-06-6
EINECS	Contact for details

Quality Control

Our 4-Chloro-3-Ethylbenzaldehyde is manufactured under a strict quality management system. Each 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 every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and reducing agents. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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