Description

2,2'-Methylenebis[4-tert-Buty-6-sec-Butylphenol] is a high-performance, sterically hindered phenolic antioxidant. This compound is valued for its excellent ability to inhibit oxidative degradation and extend the service life of materials by scavenging free radicals. It is primarily used by manufacturers in the polymer, rubber, and lubricant industries to enhance product stability and durability under demanding conditions.

Application

• Primary antioxidant in polyolefins (PP, PE) and other polymers to prevent thermal-oxidative degradation during processing and end-use.
• Stabilizer for synthetic rubbers and elastomers to maintain mechanical properties and prevent cracking.
• Additive in lubricating oils, greases, and hydraulic fluids to inhibit oxidation and sludge formation.
• Stabilizing component in adhesives and sealants to ensure long-term performance.
• Used in the production of high-temperature resistant materials and engineering plastics.
• Protective agent in fuel and petrochemical products to enhance oxidative stability.

Basic Information

Product Name	2,2'-Methylenebis[4-tert-Buty-6-sec-Butylphenol]
CAS No.	93893-75-5
Molecular Formula	C₃₃H₅₂O₂
Molecular Weight	480.77 g/mol
Synonyms	2,2'-Methylenebis(4-tert-butyl-6-sec-butylphenol); Antioxidant 702; Phenol, 2,2'-methylenebis[6-(1-methylpropyl)-4-(1,1-dimethylethyl)-]; Lowinox® 22M46; AO-702; Bis(4-tert-butyl-6-sec-butyl-2-hydroxyphenyl)methane; 4,4'-Methylenebis(2-sec-butyl-6-tert-butylphenol); Antioxidant 2246-S
EINECS	Contact for details

Quality Control

Our production of 2,2'-Methylenebis[4-tert-Buty-6-sec-Butylphenol] adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, identity, and performance. A Certificate of Analysis (COA) detailing these results is provided to guarantee traceability and consistency for your formulations.

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 and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	125 - 130 °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.