Description

4,4'-Methylenebis[6-(tert-Butyl)-1,1,3,3-Tetramethylindan-5-Ol] is a high-performance hindered phenolic antioxidant, widely recognized for its exceptional stability and protective properties. This compound is critical for preventing oxidative degradation in polymers and other sensitive materials, thereby extending product lifespan and maintaining performance integrity. It is an essential additive for manufacturers in the plastics, rubber, and specialty chemical industries seeking reliable stabilization solutions.

Application

• Primary antioxidant for polyolefins (PP, PE) to prevent thermal and oxidative degradation during processing and end-use.
• Stabilizer for engineering plastics, synthetic rubbers, and elastomers to enhance durability and color retention.
• Additive in adhesives, sealants, and coatings to improve resistance to environmental aging.
• Key component in lubricant and grease formulations to inhibit oxidation and sludge formation.
• Stabilizing agent for petroleum-derived products and fuels.
• Used in the production of high-performance fibers and films requiring long-term stability.

Basic Information

Product Name	4,4'-Methylenebis[6-(tert-Butyl)-1,1,3,3-Tetramethylindan-5-Ol]
CAS No.	93893-68-6
Molecular Formula	C39H60O2
Molecular Weight	560.90 g/mol
Synonyms	4,4'-Methylenebis(2,6-di-tert-butylphenol) derivative; 4,4'-Methylenebis(6-tert-butyl-1,1,3,3-tetramethylindan-5-ol); Antioxidant 93893-68-6; Bis(5-hydroxy-6-tert-butyl-1,1,3,3-tetramethylindan-4-yl)methane; High-molecular-weight hindered phenol; Phenolic antioxidant 93893-68-6; Tetramethylindanol-based antioxidant
EINECS	Contact for details

Quality Control

Our production of 4,4'-Methylenebis[6-(tert-Butyl)-1,1,3,3-Tetramethylindan-5-Ol] adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise customer and industry specifications. A Certificate of Analysis (COA) documenting 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, maintaining an inert atmosphere (e.g., under nitrogen) is recommended to preserve efficacy. Keep away from heat, sparks, and open flame.

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	≤ 10 ppm

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