Description

5-Chlorobenzene-1,3-Diol is a halogenated phenolic compound that serves as a versatile chemical intermediate in advanced organic synthesis. Its value lies in its unique substitution pattern, which allows for selective functionalization and incorporation into more complex molecular architectures. This product is essential for research and development chemists and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a chlorinated resorcinol moiety.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents where its phenolic and halogenated structure contributes to biological activity.
• Dye and Pigment Manufacturing: Serves as a precursor in the synthesis of complex dyes, pigments, and colorants for industrial applications.
• Polymer Chemistry: Acts as a monomer or chain modifier in the production of specialty polymers, such as epoxy resins or polycarbonates, to alter thermal or chemical resistance.
• UV Stabilizer and Antioxidant Precursor: Utilized in the development of additives for plastics, coatings, and rubbers that require protection from light degradation and oxidation.
• Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new synthetic pathways and creating novel chemical entities.

Basic Information

Product Name	5-Chlorobenzene-1,3-Diol
CAS No.	52780-23-1
Molecular Formula	C6H5ClO2
Molecular Weight	144.56 g/mol
Synonyms	5-Chlororesorcinol; 1,3-Dihydroxy-5-chlorobenzene; 5-Chloro-1,3-benzenediol; 5-Chlororesorcin; Chlororesorcinol; 5-Cl-Resorcinol; 5-Chloro-resorcin; 3-Chloro-1,5-dihydroxybenzene
EINECS	Contact for details

Quality Control

Our 5-Chlorobenzene-1,3-Diol is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment aligns with cGMP principles where applicable, ensuring the material is suitable for demanding applications in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store the product under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	105°C - 110°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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