Description

4,5-Dichloro-1,2-Benzenedimethanol is a versatile chlorinated aromatic diol derivative, serving as a critical bifunctional building block in advanced organic synthesis. Its value lies in the presence of two reactive hydroxymethyl groups adjacent to a dichlorinated benzene ring, enabling its use in the construction of complex molecular architectures. This compound is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty polymer industries for applications such as linker synthesis and ligand preparation.

Application

• Pharmaceutical Intermediate: Key synthon for the development of active pharmaceutical ingredients (APIs), particularly in constructing fused ring systems or as a linker moiety.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators where the chlorinated aromatic core provides specific bioactivity.
• Ligand and Catalyst Preparation: Serves as a precursor for chelating ligands in metal-catalyzed reactions and asymmetric synthesis due to its diol functionality.
• Polymer Chemistry: Acts as a monomer or chain extender in the synthesis of specialty polyesters, polyurethanes, and epoxy resins, imparting rigidity and flame retardancy.
• Material Science Research: Employed in creating novel organic frameworks, dendritic structures, and other functional materials.
• Cross-linking Agent: Utilized in the formulation of coatings, adhesives, and sealants to enhance network density and thermal stability.

Basic Information

Product Name	4,5-Dichloro-1,2-Benzenedimethanol
CAS No.	24006-92-6
Molecular Formula	C8H8Cl2O2
Molecular Weight	207.05 g/mol
Synonyms	4,5-Dichlorobenzene-1,2-dimethanol; 4,5-Dichloro-1,2-bis(hydroxymethyl)benzene; 1,2-Bis(hydroxymethyl)-4,5-dichlorobenzene; 4,5-Dichlorophthalyl Alcohol; 4,5-Dichloro-o-xylene-α,α'-diol; NSC 403796; AI3-24300
EINECS	Contact for details

Quality Control

Our 4,5-Dichloro-1,2-Benzenedimethanol 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. Certificates of Analysis (COA) documenting all critical parameters are available upon request. We support compliance with relevant regulatory frameworks for research and industrial use.

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 heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain product integrity.

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.