Description

6-(1,1,3,3-Tetramethylbutyl)-2,4-Xylenol is a sterically hindered phenolic compound valued for its antioxidant and stabilizing properties. This chemical is critical for protecting materials from oxidative degradation, thereby extending their functional lifespan and maintaining performance integrity. It is primarily utilized by manufacturers in the polymer, fuel, and lubricant industries as a high-performance additive.

Application

• Polymer Stabilizer: Acts as an antioxidant in plastics and synthetic rubbers to prevent thermal and oxidative degradation during processing and service life.
• Fuel & Lubricant Additive: Inhibits gum formation and oxidation in gasoline, diesel, and industrial lubricants, enhancing engine performance and oil longevity.
• Intermediate for Chemical Synthesis: Serves as a key building block in the production of more complex phenolic antioxidants and light stabilizers.
• Industrial Grease Stabilizer: Incorporated into specialty greases to prevent thickening and loss of lubricity under high-temperature conditions.
• Adhesive & Sealant Formulation: Provides oxidative stability to adhesive polymers, preventing premature curing and maintaining bond strength.
• Transformer Oil Additive: Used in dielectric fluids to suppress oxidation and extend the operational life of electrical transformers.

Basic Information

Product Name	6-(1,1,3,3-Tetramethylbutyl)-2,4-Xylenol
CAS No.	6286-28-8
Molecular Formula	C16H26O
Molecular Weight	234.38 g/mol
Synonyms	2,4-Dimethyl-6-(1,1,3,3-tetramethylbutyl)phenol; 6-tert-Octyl-2,4-xylenol; 2,4-Dimethyl-6-tert-octylphenol; Octylated Xylenol; Antioxidant 736; AO 736; Phenol, 2,4-dimethyl-6-(1,1,3,3-tetramethylbutyl)-; Nonylphenol, branched (related class)
EINECS	228-507-9

Quality Control

Our production of 6-(1,1,3,3-Tetramethylbutyl)-2,4-Xylenol adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability. All material is subjected to comprehensive analytical testing, including assay, identification, and impurity profiling. A Certificate of Analysis (COA) detailing purity, physical properties, and test results is provided with every shipment to support your quality assurance processes.

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 product 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 or flakes
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Melting Point	48 - 52 °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.