Description

Alpha,Alpha'-Bis(4-Hydroxyxylyl)-4-Isononyl-2,6-Xylenol is a specialized phenolic antioxidant and high-performance polymer additive. This compound is valued for its ability to impart exceptional thermal and oxidative stability to polymeric materials, preventing degradation and extending product lifespan. It is primarily needed by manufacturers in the polymer, plastics, and specialty chemical industries for the production of high-durability materials.

Application

• Primary Antioxidant for Polymers: Used as a stabilizer in polyolefins (e.g., PP, PE), engineering plastics, and synthetic rubbers to prevent thermal-oxidative degradation during processing and in-service use.
• Synergistic Stabilizer Systems: Often combined with secondary antioxidants (e.g., phosphites, thioesters) and light stabilizers to create comprehensive stabilization packages for demanding applications.
• High-Temperature Processing Aids: Effective in manufacturing processes requiring elevated temperatures, such as extrusion, injection molding, and fiber spinning.
• Lubricant and Fuel Additive: Functions as an antioxidant in industrial lubricants, greases, and fuels to inhibit sludge formation and viscosity increase.
• Adhesive and Sealant Formulations: Enhances the long-term stability and performance of hot-melt and reactive adhesive systems.
• Wire and Cable Insulation: Provides critical stabilization for polymeric insulation and jacketing materials, ensuring reliability under thermal stress.

Basic Information

Product Name	Alpha,Alpha'-Bis(4-Hydroxyxylyl)-4-Isononyl-2,6-Xylenol
CAS No.	93839-65-7
Molecular Formula	C34H44O3
Molecular Weight	500.71 g/mol
Synonyms	4-Isononyl-2,6-bis[(4-hydroxy-3,5-dimethylbenzyl)]phenol; Bis(4-hydroxy-3,5-dimethylbenzyl)-4-isononylphenol; Phenolic antioxidant 93839-65-7; Antioxidant AO-80; 2,6-Bis[(4-hydroxy-3,5-dimethylphenyl)methyl]-4-(8-methylnonyl)phenol; 4-(8-Methylnonyl)-2,6-bis[(4-hydroxy-3,5-dimethylphenyl)methyl]phenol; Low volatility phenolic antioxidant
EINECS	Contact for details

Quality Control

Our production of Alpha,Alpha'-Bis(4-Hydroxyxylyl)-4-Isononyl-2,6-Xylenol adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistent purity, performance, and compliance with customer specifications. Certificates of Analysis (COA) documenting key parameters such as assay, melting point, and impurity profile are available upon request.

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 and should be kept under an inert atmosphere (e.g., nitrogen) for long-term storage to maintain efficacy. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	115 - 125 °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.