Description

2-[1-(2-Hydroxy-3,5-Dimethyl-Phenyl)-2-Methyl-Propyl]-4,6-Dimethyl-Phenol is a sterically hindered phenolic compound valued for its excellent antioxidant properties. This chemical is critical for preventing oxidative degradation in sensitive materials, thereby extending product shelf life and maintaining performance integrity. It is primarily needed by manufacturers in the polymer, rubber, lubricant, and specialty chemical industries seeking high-performance stabilization solutions.

Application

• Polymer Stabilizer: Acts as a primary antioxidant in polyolefins (PP, PE), polyurethanes, and engineering plastics to prevent thermal and oxidative degradation during processing and end-use.
• Rubber Additive: Used in the production of synthetic rubbers and elastomers to inhibit aging and preserve elasticity and tensile strength.
• Lubricant & Fuel Antioxidant: Formulated into industrial lubricants, greases, and fuels to prevent sludge formation, viscosity increase, and acid generation.
• Adhesive & Sealant Component: Enhances the durability and longevity of adhesives, sealants, and coatings by protecting against oxidative cross-linking and brittleness.
• Intermediate for Specialty Chemicals: Serves as a key building block in the synthesis of more complex antioxidants and light stabilizers.

Basic Information

Product Name	2-[1-(2-Hydroxy-3,5-Dimethyl-Phenyl)-2-Methyl-Propyl]-4,6-Dimethyl-Phenol
CAS No.	63530-23-4
Molecular Formula	C20H26O2
Molecular Weight	298.42 g/mol
Synonyms	2,2'-Methylenebis(4-methyl-6-tert-butylphenol) (common name); Antioxidant 2246; AO-2246; 2,2'-Methylenebis(6-tert-butyl-4-methylphenol); Bis(2-hydroxy-3-tert-butyl-5-methylphenyl)methane; Phenol, 2,2'-methylenebis[6-(1,1-dimethylethyl)-4-methyl-]; Lowinox 22M46; Naugard 2246
EINECS	Contact for details

Quality Control

Our production of 2-[1-(2-Hydroxy-3,5-Dimethyl-Phenyl)-2-Methyl-Propyl]-4,6-Dimethyl-Phenol adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including HPLC for assay and purity, to ensure compliance with agreed specifications and industry standards. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

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, sparks, and open flame. This material is light-sensitive; prolonged exposure to light should be avoided to maintain product stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0 %
Melting Point	124 - 128 °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.