Description

2,2'-Methylenebis[4,6-Dicyclopentyl-m-Cresol] is a high-performance, sterically hindered phenolic antioxidant. This compound is engineered to provide exceptional long-term stability to materials by effectively inhibiting oxidative degradation. It is a critical additive for manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance product durability and shelf life under demanding conditions.

Application

• Primary antioxidant in polyolefins (PP, PE) and engineering plastics to prevent thermal-oxidative degradation during processing and service life.
• Stabilizer for lubricating oils, greases, and synthetic fluids to extend operational life and maintain viscosity.
• Additive in adhesives, sealants, and elastomers to improve resistance to aging and environmental stress cracking.
• Stabilizing component in hydrocarbon-based fuels and transformer oils to prevent gum formation.
• Used in the production of high-temperature polymers and coatings where long-term heat stability is required.
• An effective stabilizer in polyurethane systems and other specialty polymer formulations.

Basic Information

Product Name	2,2'-Methylenebis[4,6-Dicyclopentyl-m-Cresol]
CAS No.	55036-37-8
Molecular Formula	C41H56O2
Molecular Weight	580.89 g/mol
Synonyms	2,2'-Methylenebis(4,6-dicyclopentylphenol); Bis(4,6-dicyclopentyl-2-methylphenyl)methane; Antioxidant 1790; Phenolic Antioxidant 1790; Low Volatility Antioxidant; 4,4'-Methylenebis(2,6-dicyclopentylphenol); Light-stable phenolic antioxidant; CAS 55036-37-8
EINECS	Contact for details

Quality Control

Our production of 2,2'-Methylenebis[4,6-Dicyclopentyl-m-Cresol] adheres to stringent quality management protocols. Every batch is analyzed to ensure it meets precise chemical and physical specifications. Certificates of Analysis (COA) documenting purity, identity, and key parameters are provided to guarantee consistency and support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. Under these conditions, the product remains stable for extended periods.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0 %
Melting Point	115 - 125 °C
Loss on Drying	≤ 0.5 %
Ash Content	≤ 0.1 %

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