Description

2,2'-Methylenebis[4,6-Dicyclopentylphenol] is a high-performance, sterically hindered phenolic antioxidant. This compound is valued for its exceptional ability to inhibit oxidative degradation and extend the service life of polymers and other sensitive materials. It is primarily sought by manufacturers in the polymer, rubber, and specialty chemical industries for stabilizing products against heat and light-induced deterioration.

Application

• Primary antioxidant for polyolefins (PP, PE) and engineering plastics.
• Stabilizer for synthetic rubbers and elastomers to prevent chain scission and cross-linking.
• Additive in lubricants and greases to enhance oxidative stability under high-temperature conditions.
• Key intermediate in the synthesis of more complex, high-molecular-weight antioxidants.
• Stabilizing component in adhesives and sealants to maintain performance over time.
• Protective agent for hydrocarbon-based fluids and fuels.

Basic Information

Product Name	2,2'-Methylenebis[4,6-Dicyclopentylphenol]
CAS No.	93803-62-4
Molecular Formula	C39H52O2
Molecular Weight	552.83 g/mol
Synonyms	2,2'-Methylenebis(4,6-dicyclopentylphenol); Bis(4,6-dicyclopentyl-2-hydroxyphenyl)methane; Antioxidant 93803-62-4; Phenolic antioxidant 93803-62-4; 4,4'-Methylenebis(2,6-dicyclopentylphenol); Low volatility phenolic antioxidant; Hindered bisphenol antioxidant
EINECS	Contact for details

Quality Control

Our production of 2,2'-Methylenebis[4,6-Dicyclopentylphenol] adheres to a strict quality management system. Every batch is analyzed to ensure it meets precise chemical and physical specifications, with purity typically exceeding 98.5%. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided with each shipment to guarantee consistency and reliability for your formulations.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C/59-77°F) under an inert atmosphere (e.g., nitrogen) to prevent oxidation. 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)	≥ 98.5 %
Melting Point	195 - 205 °C
Loss on Drying	≤ 0.5 %
Heavy Metals	≤ 10 ppm

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