Description

6,6'-Methylenebis(4-Chloro-2-Isopropyl-m-Cresol) is a specialized phenolic antioxidant and antimicrobial agent, widely recognized for its high efficacy in stabilizing materials against oxidative degradation. Its primary commercial value lies in its ability to extend the service life and maintain the performance integrity of polymers, fuels, and industrial fluids. This compound is essential for manufacturers in the polymer, lubricant, and specialty chemical industries seeking reliable protection against thermal and oxidative stress.

Application

• Primary antioxidant and stabilizer in polyolefins (e.g., polyethylene, polypropylene) and other polymers.
• Additive in lubricating oils, greases, and industrial fluids to prevent oxidation and sludge formation.
• Antimicrobial agent and preservative in fuel systems and metalworking fluids.
• Intermediate in the synthesis of more complex phenolic antioxidants and specialty chemicals.
• Stabilizer for adhesives, sealants, and elastomers to enhance weatherability and longevity.
• Protective additive in transformer oils and other electrical insulating fluids.

Basic Information

Product Name	6,6'-Methylenebis(4-Chloro-2-Isopropyl-m-Cresol)
CAS No.	50992-45-5
Molecular Formula	C23H30Cl2O2
Molecular Weight	409.39 g/mol
Synonyms	2,2'-Methylenebis(6-chloro-4-isopropyl-m-cresol); 2,2'-Methylenebis(6-chloro-4-isopropyl-3-methylphenol); 4,4'-Methylenebis(2-chloro-6-isopropyl-m-cresol); Bis(4-chloro-2-isopropyl-5-methylphenol)methane; Antioxidant 2246-S; Lowinox® 22M46; AO-6; Irganox® 2246S; Phenolic antioxidant 2246-S
EINECS	256-914-3

Quality Control

Our production of 6,6'-Methylenebis(4-Chloro-2-Isopropyl-m-Cresol) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. The product is manufactured in compliance with ISO 9001 standards, and its quality is verified against established internal specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee it meets your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). Keep away from strong oxidizing agents and heat sources. For long-term storage, consider packaging under an inert gas such as nitrogen.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0 %
Melting Point	140 - 145 °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.