Description

3-Chloro-5-Ethoxy-4-Hydroxybenzaldehyde is a versatile benzaldehyde derivative characterized by its chloro, ethoxy, and hydroxy substituents, making it a valuable multifunctional synthetic intermediate. This compound is essential for constructing complex molecular architectures in advanced organic synthesis, offering precise control over reactivity and regiochemistry. It is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and specialty chemical sectors for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly for central nervous system (CNS) agents and anti-inflammatory compounds.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators due to its bioactive scaffold.
• Liquid Crystal & OLED Materials: Serves as a precursor for creating specialized aromatic cores in electronic display and lighting materials.
• Dye & Pigment Manufacturing: Intermediate for producing high-performance, light-fast azo and anthraquinone dyes.
• Polymer Chemistry: Functional monomer for introducing aldehyde groups into polymers for cross-linking or further modification.
• Chemical Research: Valuable reagent in academic and industrial laboratories for methodological studies and exploring new chemical transformations.

Basic Information

Product Name	3-Chloro-5-Ethoxy-4-Hydroxybenzaldehyde
CAS No.	70842-33-0
Molecular Formula	C9H9ClO3
Molecular Weight	200.62 g/mol
Synonyms	4-Hydroxy-3-chloro-5-ethoxybenzaldehyde; 5-Ethoxy-4-hydroxy-3-chlorobenzaldehyde; 3-Chloro-4-hydroxy-5-ethoxybenzaldehyde; Benzaldehyde, 3-chloro-5-ethoxy-4-hydroxy-; 70842-33-0; 3-Chloro-5-ethoxy-4-hydroxy-benzaldehyde
EINECS	Contact for details

Quality Control

Our 3-Chloro-5-Ethoxy-4-Hydroxybenzaldehyde is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with each shipment, documenting all critical parameters. Our quality commitment ensures the material meets the high standards required for research and scale-up applications.

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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, the container should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (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.