Description

1,3-Benzenediol, 4-Chloro-5-Methyl- is a halogenated derivative of resorcinol, serving as a versatile and valuable chemical intermediate. Its unique substitution pattern makes it a critical building block for synthesizing more complex molecules in advanced chemical manufacturing. This compound is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical and agrochemical sectors for developing active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key starting material for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of antimicrobial and antifungal agents.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators, leveraging its halogen and hydroxyl functionalities.
• Dye and Pigment Manufacturing: Acts as a precursor for the synthesis of complex organic dyes and colorants, especially azo dyes.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the production of specialty resins, such as epoxy hardeners or phenolic resins.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D labs for constructing heterocyclic compounds and other fine chemicals.
• UV Stabilizer and Antioxidant Precursor: Used in the development of additives for plastics and coatings to enhance material stability.

Basic Information

Product Name	1,3-Benzenediol, 4-Chloro-5-Methyl-
CAS No.	3446-05-7
Molecular Formula	C7H7ClO2
Molecular Weight	158.58 g/mol
Synonyms	4-Chloro-5-methylresorcinol; 4-Chloro-5-methyl-1,3-benzenediol; 2-Chloro-5-hydroxy-4-methylphenol; 5-Methyl-4-chlororesorcinol; 4-Chloro-5-methylbenzene-1,3-diol; 4-Chloro-5-methyl-1,3-dihydroxybenzene; 1,3-Dihydroxy-4-chloro-5-methylbenzene
EINECS	222-356-8

Quality Control

Our 1,3-Benzenediol, 4-Chloro-5-Methyl- is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and compliance.

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. Due to its light-sensitive nature, the container should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	118°C - 122°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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