Description

2,2'-(Octahydro-4,7-Methano-1H-Indenediyl)Bis[4,6-Xylenol] is a specialized phenolic compound that serves as a high-performance antioxidant and stabilizer in demanding polymer systems. Its unique bridged, hindered phenolic structure provides exceptional thermal and oxidative stability, making it a critical additive for extending the service life of materials. This compound is essential for formulators and manufacturers in the plastics, rubber, and specialty chemical industries seeking to enhance product durability under harsh environmental conditions.

Application

• Primary antioxidant and stabilizer in polyolefins (e.g., polyethylene, polypropylene) to prevent thermal degradation during processing and end-use.
• Key additive in synthetic rubber and elastomer formulations to improve resistance to heat aging and oxidation.
• Stabilizer component in adhesives, sealants, and industrial coatings to maintain performance integrity.
• Used in the stabilization of engineering plastics and technical polymers that require long-term thermal stability.
• Potential intermediate or additive in the synthesis of other specialty chemicals and advanced material systems.

Basic Information

Product Name	2,2'-(Octahydro-4,7-Methano-1H-Indenediyl)Bis[4,6-Xylenol]
CAS No.	93920-18-4
Molecular Formula	C27H36O2
Molecular Weight	392.58 g/mol
Synonyms	2,2'-Methylenebis(4,6-dimethylphenol) octahydro-4,7-methano-1H-indene derivative; Bis(4,6-dimethyl-2-hydroxyphenyl)octahydro-4,7-methano-1H-indenylmethane; Hindered Phenolic Antioxidant 93920-18-4; 4,4'-Methylenebis(2,6-dimethylphenol) dicyclopentadiene adduct; Polymer stabilizer 93920-18-4; Antioxidant AO-93920; 1,1'-Methylenebis(2-hydroxy-3,5-dimethyl-4-cyclopentadieneindane)
EINECS	Contact for details

Quality Control

Our production of 2,2'-(Octahydro-4,7-Methano-1H-Indenediyl)Bis[4,6-Xylenol] adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and consistent performance standards. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and test results is provided with each shipment.

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, consider maintaining under an inert atmosphere such as nitrogen. 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	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm

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