Description

4,4'-(1,2-Diethylethylene)Bis(3-Methylphenol) is a specialized bisphenol derivative with a unique alkylated bridging structure. This compound is valued as a high-performance intermediate and antioxidant in advanced polymer synthesis and material stabilization. It is primarily required by manufacturers in the polymer, specialty chemical, and advanced material sectors seeking to enhance product durability and thermal stability.

Application

• Primary intermediate in the synthesis of high-performance polycarbonates and epoxy resins with modified properties.
• Key monomer for producing engineering plastics requiring enhanced thermal and oxidative resistance.
• Effective antioxidant and stabilizer additive in polymer formulations to prevent degradation.
• Building block for flame retardants and other functional additives in the plastics industry.
• Intermediate in the production of coatings, adhesives, and specialty sealants demanding high purity raw materials.
• Research and development of novel pharmaceutical intermediates and fine chemicals.

Basic Information

Product Name	4,4'-(1,2-Diethylethylene)Bis(3-Methylphenol)
CAS No.	85720-57-6
Molecular Formula	C20H26O2
Molecular Weight	298.42 g/mol
Synonyms	1,1-Bis(3-methyl-4-hydroxyphenyl)-2-ethylbutane; 4,4'-(1,2-Diethylethylene)di-o-cresol; 2,2'-Ethylidenebis(6-methylphenol); Bis(3-methyl-4-hydroxyphenyl)-2-ethylbutane; 4,4'-(1,2-Diethylethylene)bis(3-methylphenol); 2,2'-Butylidenebis(6-methylphenol) (related structure); Antioxidant BHEB; Bisphenol derivative C20
EINECS	Contact for details

Quality Control

Our production of 4,4'-(1,2-Diethylethylene)Bis(3-Methylphenol) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. All materials are tested against established internal specifications, which typically include identity confirmation, assay, and impurity profile analysis. A Certificate of Analysis (COA) detailing the specific results for each parameter is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its nature as an easily oxidized compound, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation of quality. 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%
Related Substances (HPLC)	Contact for details

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