Description

4-Chloro-3-Methylpyrocatechol is a specialized halogenated catechol derivative with significant utility as a versatile chemical intermediate. Its unique structure, featuring both chloro and methyl substituents on the catechol ring, makes it a valuable building block for synthesizing complex molecules in advanced research and industrial applications. This compound is particularly relevant for manufacturers and R&D teams in the pharmaceutical, agrochemical, and specialty chemical sectors seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those targeting neurological or metabolic pathways.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators due to its bioactive phenolic structure.
• Polymer Chemistry: Serves as a monomer or cross-linking agent for producing high-performance, heat-resistant resins and specialty polymers.
• Dye and Pigment Manufacturing: Acts as an intermediate for creating complex organic dyes and colorants with specific light-fastness properties.
• Antioxidant Research: Studied as a potential antioxidant or stabilizer additive in materials science and formulation chemistry.
• Chemical Research & Development: A valuable reagent for organic synthesis, enabling the introduction of the chloromethylcatechol moiety into target molecules.

Basic Information

Product Name	4-Chloro-3-Methylpyrocatechol
CAS No.	18257-21-1
Molecular Formula	C7H7ClO2
Molecular Weight	158.58 g/mol
Synonyms	4-Chloro-3-methylbenzene-1,2-diol; 4-Chloro-3-methylcatechol; 3-Methyl-4-chlorocatechol; 1,2-Benzenediol, 4-chloro-3-methyl-; 4-Chloro-3-methylpyrocatechol; 4-Chloro-3-methyl-1,2-dihydroxybenzene
EINECS	Contact for details

Quality Control

Our 4-Chloro-3-Methylpyrocatechol is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identity confirmation by spectroscopic methods and purity determination by chromatographic techniques. A Certificate of Analysis (COA) detailing all test results 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, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials such as 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%

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