Description

3,4-Dichloro-5-Methyl-1,2-Benzenediol is a specialized chlorinated catechol derivative with a methyl substituent, offering unique reactivity and functional properties. This compound is valued as a versatile chemical intermediate and building block in advanced organic synthesis. It is primarily required by R&D laboratories and industrial manufacturers in the agrochemical and pharmaceutical sectors for the development of novel active ingredients and fine chemicals.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of novel herbicides, fungicides, and plant growth regulators, leveraging its halogenated catechol structure.
• Pharmaceutical Synthesis: Serves as a crucial building block for developing active pharmaceutical ingredients (APIs), particularly in molecules requiring a substituted dihydroxybenzene core.
• Polymer Chemistry: Used as a monomer or additive in the production of specialty polymers, such as antioxidants or high-performance resins.
• Dye and Pigment Manufacturing: Acts as an intermediate in the synthesis of complex organic dyes and pigments, where its substitution pattern influences color and stability.
• Research & Development: Employed in academic and industrial R&D for exploring new chemical entities, reaction pathways, and material science applications.
• Fine Chemical Production: Utilized in the multi-step synthesis of complex fine chemicals and other advanced intermediates.

Basic Information

Product Name	3,4-Dichloro-5-Methyl-1,2-Benzenediol
CAS No.	33963-44-9
Molecular Formula	C7H6Cl2O2
Molecular Weight	193.03 g/mol
Synonyms	3,4-Dichloro-5-methylcatechol; 3,4-Dichloro-5-methylpyrocatechol; 5-Methyl-3,4-dichlorobenzene-1,2-diol; 1,2-Benzenediol, 3,4-dichloro-5-methyl-; 3,4-Dichloro-5-methyl-1,2-dihydroxybenzene
EINECS	Contact for details

Quality Control

Our production of 3,4-Dichloro-5-Methyl-1,2-Benzenediol adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. All materials are characterized using advanced analytical techniques including HPLC, GC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory requirements.

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). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere for long-term preservation. Keep away from strong oxidizing agents.

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 (as Pb)	≤ 10 ppm

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