Description

4,4'-(Octahydro-4,7-Methano-1H-Indenediyl)Bis[2,6-Xylenol] is a specialized phenolic compound with a complex, bridged polycyclic structure, serving as a high-performance antioxidant and polymer stabilizer. Its molecular architecture provides exceptional efficacy in scavenging free radicals and inhibiting oxidative degradation, which is critical for extending the service life of sensitive materials. This compound is essential for formulators and manufacturers in the polymer, specialty chemical, and advanced material industries who require robust stabilization solutions under demanding conditions.

Application

• Polymer Stabilization: Acts as a highly effective primary antioxidant in polyolefins (e.g., PP, PE), engineering plastics, and synthetic rubbers to prevent thermal and oxidative degradation during processing and end-use.
• Lubricant & Fuel Additive: Used as an antioxidant additive in high-performance lubricating oils, greases, and industrial fuels to enhance stability and prevent sludge formation.
• Adhesive & Sealant Formulations: Incorporated to improve the long-term thermal stability and durability of hot-melt adhesives, epoxy systems, and polyurethane sealants.
• Specialty Chemical Intermediate: Serves as a key building block or functional additive in the synthesis of other advanced antioxidants, UV stabilizers, or specialty monomers.
• Elastomer Protection: Protects synthetic elastomers like SBR, NBR, and EPDM from premature aging caused by heat and oxygen exposure.
• Coating Resins: Enhances the weatherability and color stability of industrial and protective coating resins by mitigating oxidative cross-linking and yellowing.

Basic Information

Product Name	4,4'-(Octahydro-4,7-Methano-1H-Indenediyl)Bis[2,6-Xylenol]
CAS No.	93924-02-8
Molecular Formula	C27H34O2
Molecular Weight	390.56 g/mol
Synonyms	4,4'-Methylenebis(2,6-dimethylphenol) octahydro-4,7-methano-1H-indene derivative; Antioxidant 93924-02-8; Bis(3,5-dimethyl-4-hydroxyphenyl)octahydro-4,7-methano-1H-indene; 2,2'-Methylenebis(4-methyl-6-(octahydro-4,7-methano-1H-inden-5-yl)phenol); Phenolic antioxidant with bridged indane structure; Polymer stabilizer 93924-02-8; 5,5'-(Octahydro-4,7-methano-1H-indene-2,5-diyl)bis(2,4-dimethylphenol)
EINECS	Contact for details

Quality Control

Our production of 4,4'-(Octahydro-4,7-Methano-1H-Indenediyl)Bis[2,6-Xylenol] adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for use in high-performance applications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with each shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is light-sensitive and easily oxidized; for long-term storage, consider maintaining under an inert atmosphere (e.g., nitrogen) to preserve maximum efficacy. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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