Description

1,4-Benzenediol, 2-Chloro-5-Methyl- is a specialized chlorinated methyl derivative of hydroquinone, serving as a key synthetic intermediate in advanced organic chemistry. This compound is valued for its role in constructing complex molecular architectures, particularly in the synthesis of high-performance materials and active pharmaceutical ingredients (APIs). It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors seeking precise chemical building blocks.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring a substituted hydroquinone core structure.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides where its chlorinated methyl group introduces specific biological activity.
• Polymer Chemistry: Acts as a monomer or modifying agent in the development of specialty polymers, including high-temperature resins and engineered plastics.
• Dye and Pigment Manufacturing: Serves as an intermediate for synthesizing complex organic dyes, pigments, and photographic chemicals.
• Research & Development: Employed in academic and industrial R&D laboratories for method development and exploring new chemical entities.
• Fine Chemical Production: A building block for various fine chemicals and performance materials requiring specific substitution patterns on an aromatic ring.

Basic Information

Product Name	1,4-Benzenediol, 2-Chloro-5-Methyl-
CAS No.	5465-62-3
Molecular Formula	C7H7ClO2
Molecular Weight	158.58 g/mol
Synonyms	2-Chloro-5-methylhydroquinone; 2-Chloro-5-methyl-1,4-benzenediol; 2-Chloro-5-methylbenzene-1,4-diol; 5-Methyl-2-chlorohydroquinone; Chloromethylhydroquinone; 1,4-Dihydroxy-2-chloro-5-methylbenzene; HQ-CI-Me
EINECS	226-764-5

Quality Control

Our 1,4-Benzenediol, 2-Chloro-5-Methyl- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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). Due to its properties of being light-sensitive and easily oxidized, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation to maintain optimal purity and stability. 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	≤ 20 ppm

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