Description

2,2'-Methylenebis[6-Cyclooctyl-4-Isopropylphenol] 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 sensitive materials. It is primarily utilized by formulators and manufacturers in the polymer, lubricant, and specialty chemical industries seeking robust stabilization solutions.

Application

• Primary antioxidant in polyolefins (e.g., PP, PE) and engineering plastics to prevent thermal-oxidative degradation during processing and end-use.
• Stabilizer for synthetic lubricants, greases, and transformer oils to enhance oxidative stability and prolong fluid life.
• Additive in adhesive and sealant formulations to protect against aging and maintain performance integrity.
• Key component in rubber compounding for tires and industrial rubber goods to resist heat and oxygen-induced cracking.
• Stabilizing agent for fuels and hydrocarbon-based fluids to prevent gum and sediment formation.
• Intermediate in the synthesis of other specialized antioxidant molecules and polymer additives.

Basic Information

Product Name	2,2'-Methylenebis[6-Cyclooctyl-4-Isopropylphenol]
CAS No.	93803-57-7
Molecular Formula	C39H60O2
Molecular Weight	560.89 g/mol
Synonyms	2,2'-Methylenebis(6-cyclooctyl-4-isopropylphenol); Bis(2-hydroxy-3-cyclooctyl-5-isopropylphenyl)methane; Antioxidant 93803-57-7; Phenolic antioxidant (cyclooctyl substituted); 4,4'-Methylenebis(2-cyclooctyl-6-isopropylphenol); Low-volatility phenolic antioxidant; High molecular weight hindered phenol
EINECS	Contact for details

Quality Control

Our production of 2,2'-Methylenebis[6-Cyclooctyl-4-Isopropylphenol] adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure consistent purity, performance, and compliance with customer specifications. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available upon request.

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 easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen) for long-term preservation. Keep away from strong oxidizing agents.

Specification

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