Description

5-Chloro-2-Hydroxy-4-Methyl-Benzaldehyde is a versatile aromatic aldehyde derivative that serves as a critical building block in advanced organic synthesis. Its unique substitution pattern makes it a valuable intermediate for creating complex molecules with specific functional properties. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting specific receptor sites where the chloro and hydroxy substituents are crucial for bioactivity.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators, where it acts as a core structural motif.
• Dye and Pigment Manufacturing: Serves as an intermediate for synthesizing complex azo dyes and high-performance pigments, contributing to color fastness and stability.
• Ligand and Catalyst Development: Employed in the creation of specialized chelating ligands for metal catalysis and coordination chemistry applications.
• Organic Electronic Materials: A building block for research into novel organic semiconductors and charge-transport materials due to its electron-withdrawing and donating groups.
• Flavor and Fragrance Chemistry: Used in the controlled synthesis of specific aromatic compounds for high-value fragrance ingredients.

Basic Information

Product Name	5-Chloro-2-Hydroxy-4-Methyl-Benzaldehyde
CAS No.	81322-67-0
Molecular Formula	C8H7ClO2
Molecular Weight	170.59 g/mol
Synonyms	5-Chloro-2-hydroxy-p-tolualdehyde; 5-Chloro-4-methylsalicylaldehyde; 2-Hydroxy-5-chloro-4-methylbenzaldehyde; 4-Methyl-5-chlorosalicylaldehyde; 5-Chloro-2-hydroxy-4-methylbenzenecarboxaldehyde; 5-Chloro-4-methyl-2-hydroxybenzaldehyde; p-Chloro-o-hydroxy-p-methylbenzaldehyde
EINECS	Contact for details

Quality Control

Our 5-Chloro-2-Hydroxy-4-Methyl-Benzaldehyde is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets exacting standards for research and industrial use. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition.

Specification

Item	Specification
Appearance	Off-white to light yellow 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%

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