Description

4-Chloro-2,6-Bis[(2-Hydroxy-3,5-Dimethyl-Phenyl)Methyl]Phenol is a specialized phenolic compound that functions as a high-performance antioxidant and polymerization inhibitor. Its molecular structure is engineered to provide superior stability and longevity in demanding industrial environments where thermal and oxidative degradation are primary concerns. This product is essential for manufacturers in the polymer, rubber, and specialty chemical industries seeking to enhance the durability and performance of their materials.

Application

• Polymer Stabilizer: Acts as a highly effective antioxidant and heat stabilizer in the production of polyolefins (e.g., polyethylene, polypropylene), polyesters, and engineering plastics to prevent thermal degradation during processing and extend product lifespan.
• Rubber Additive: Used as an anti-aging agent in synthetic rubber formulations, including SBR, NBR, and EPDM, to protect against ozone cracking and oxidation, maintaining elasticity and mechanical properties.
• Lubricant & Fuel Additive: Incorporated into industrial lubricants, greases, and fuel systems to inhibit gum formation, sludge, and oxidative breakdown, ensuring operational efficiency and equipment protection.
• Adhesive & Sealant Component: Enhances the thermal-oxidative stability of hot-melt adhesives, epoxy resins, and polyurethane systems, preventing premature curing and loss of adhesive strength.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex phenolic antioxidants, UV absorbers, and other specialty additives for advanced material science applications.

Basic Information

Item	Details
Product Name	4-Chloro-2,6-Bis[(2-Hydroxy-3,5-Dimethyl-Phenyl)Methyl]Phenol
CAS No.	6640-95-5
Molecular Formula	C24H25ClO3
Molecular Weight	396.91 g/mol
Synonyms	4-Chloro-2,6-bis[(2-hydroxy-3,5-dimethylphenyl)methyl]phenol; 2,6-Bis[(2-hydroxy-3,5-dimethylbenzyl)]-4-chlorophenol; Phenol, 4-chloro-2,6-bis[(2-hydroxy-3,5-dimethylphenyl)methyl]-; Antioxidant 6640-95-5; Bis(2-hydroxy-3,5-dimethylbenzyl)-4-chlorophenol; Polymer Stabilizer 6640-95-5; 4-Chloro-2,6-di(2-hydroxy-3,5-dimethylbenzyl)phenol
EINECS	Contact for details

Quality Control

Every batch of 4-Chloro-2,6-Bis[(2-Hydroxy-3,5-Dimethyl-Phenyl)Methyl]Phenol is manufactured and tested under a strict quality management system to ensure consistent purity and performance. Our products undergo rigorous quality testing, including chromatographic purity analysis and identity confirmation, to ensure compliance with industry standards. Certificates of Analysis (COA) detailing all specification parameters are available upon request to support your quality assurance and regulatory needs.

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 sources, strong oxidizing agents, and incompatible materials. Due to its light-sensitive nature, containers should be kept in opaque packaging or stored in darkness to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158°C - 162°C
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.