Description

2,6-Bis(1,1-Dimethylpropyl)-4-Methylphenol is a high-performance hindered phenolic antioxidant, widely recognized for its efficacy in stabilizing organic materials against oxidative degradation. Its primary value lies in its ability to inhibit autoxidation, thereby extending the service life and maintaining the properties of polymers, fuels, and lubricants. This compound is essential for manufacturers in the polymer, rubber, fuel additive, and specialty chemical industries seeking reliable, long-term stabilization solutions for their products.

Application

• Polymer Stabilization: A key antioxidant for polyolefins (PP, PE), elastomers, and engineering plastics to prevent thermal and oxidative degradation during processing and end-use.
• Rubber Industry: Used as an anti-aging agent in synthetic rubber (SBR, BR, NBR) and latex products to retain elasticity and prevent cracking.
• Fuel & Lubricant Additive: Acts as an antioxidant in gasoline, diesel, jet fuels, and industrial lubricants to inhibit gum formation and acid generation, enhancing stability.
• Adhesive & Sealant Formulations: Protects adhesive polymers from oxidative cross-linking or chain scission, ensuring consistent viscosity and bonding performance.
• Coating Resins: Incorporated into alkyd, acrylic, and other coating resins to prevent yellowing and embrittlement caused by exposure to heat and oxygen.
• Intermediate for Specialty Chemicals: Serves as a crucial building block for synthesizing more complex antioxidants and light stabilizers.

Basic Information

Product Name	2,6-Bis(1,1-Dimethylpropyl)-4-Methylphenol
CAS No.	56103-67-4
Molecular Formula	C20H34O
Molecular Weight	290.48 g/mol
Synonyms	2,6-Di-tert-pentyl-4-methylphenol; 2,6-Di-tert-amyl-4-methylphenol; 2,6-Bis(1,1-dimethylpropyl)-p-cresol; Antioxidant 246; AO 246; Phenol, 2,6-bis(1,1-dimethylpropyl)-4-methyl-; Topanol 205
EINECS	260-001-0

Quality Control

Our production of 2,6-Bis(1,1-Dimethylpropyl)-4-Methylphenol adheres to a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for assay and purity, to ensure it meets precise customer specifications and industry benchmarks. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee traceability and consistent quality.

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; for long-term storage, maintaining an inert atmosphere (e.g., under nitrogen) is recommended to preserve efficacy. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.5%
Melting Point	94 - 98 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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