Description

4,4'-Methylenebis[6-Cyclopentyl-3,3-Dimethylindan-5-Ol] is a specialized organic compound of significant interest in advanced material synthesis. This chemical serves as a high-performance intermediate, valued for its unique sterically hindered phenolic structure which imparts excellent stability and functional properties. It is primarily sought after by R&D and production teams in the polymer and specialty chemical industries for developing antioxidants, stabilizers, and other performance additives.

Application

• Primary intermediate in the synthesis of high-performance, sterically hindered phenolic antioxidants for polymers.
• Key building block for advanced light stabilizers and UV absorbers used in plastics and coatings.
• Used in the development of specialty additives for lubricants and fuels to enhance oxidative stability.
• Research chemical for creating novel macromolecules and dendrimers with specific functional groups.
• Potential precursor in pharmaceutical research for compounds requiring a rigid, lipophilic scaffold.
• Component in the formulation of specialty adhesives and sealants requiring enhanced aging resistance.

Basic Information

Product Name	4,4'-Methylenebis[6-Cyclopentyl-3,3-Dimethylindan-5-Ol]
CAS No.	93892-44-5
Molecular Formula	C39H52O2
Molecular Weight	552.83 g/mol
Synonyms	4,4'-Methylenebis(6-cyclopentyl-3,3-dimethylindan-5-ol); Bis(6-cyclopentyl-3,3-dimethyl-5-indanol)methane; 5,5'-Methylenebis(6-cyclopentyl-3,3-dimethyl-1-indanol); Phenolic antioxidant intermediate AO-80 precursor; Cyclopentyl-dimethylindanol bisphenol derivative
EINECS	Contact for details

Quality Control

Our production of 4,4'-Methylenebis[6-Cyclopentyl-3,3-Dimethylindan-5-Ol] adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, GC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C/59-77°F). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from heat, sparks, and open flame.

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.