Description

2,2'-Methylenebis(4-Methyl-6-tert-Butylphenol) is a high-performance phenolic antioxidant widely recognized for its effectiveness in preventing oxidative degradation. This compound is critical for extending the service life and maintaining the physical properties of materials exposed to heat and oxygen. It is an essential additive for manufacturers in the polymer, rubber, and lubricant industries seeking to enhance product stability and durability.

Application

• Primary antioxidant in polyolefins (PP, PE) and other polymers to prevent thermal-oxidative degradation during processing and end-use.
• Stabilizer for synthetic rubbers, elastomers, and adhesives to retain elasticity and prevent cracking.
• Additive in lubricating oils, greases, and hydraulic fluids to inhibit oxidation and sludge formation.
• Stabilizing agent for hot-melt adhesives and petroleum-based waxes.
• Protective additive in transformer oils and other industrial fluids.
• Intermediate in the synthesis of other specialized antioxidant compounds.

Basic Information

Product Name	2,2'-Methylenebis(4-Methyl-6-tert-Butylphenol)
CAS No.	119-47-1
Molecular Formula	C23H32O2
Molecular Weight	340.50 g/mol
Synonyms	Antioxidant 2246; 2,2'-Methylenebis(6-tert-butyl-4-methylphenol); MBMBP; AO-2246; CAO-5; NSC 3349; Phenol, 2,2'-methylenebis[6-(1,1-dimethylethyl)-4-methyl-]; Vulkanox BKF
EINECS	204-327-1

Quality Control

Our production of 2,2'-Methylenebis(4-Methyl-6-tert-Butylphenol) adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure it meets precise purity and performance specifications. Certificates of Analysis (COA) documenting key parameters are provided to guarantee traceability and compliance with your technical requirements.

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. Under these conditions, the product remains stable for extended periods.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
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.