Description

Alpha,Alpha'-Bis(4-Hydroxyphenyl)-1,4-Diisopropylbenzene is a high-purity bisphenol derivative, specifically a member of the hindered bisphenol class, valued for its role as a key monomer and antioxidant intermediate in advanced polymer synthesis. Its molecular structure, featuring two phenolic hydroxyl groups, makes it an effective chain terminator and stabilizer, crucial for enhancing the thermal and oxidative stability of high-performance materials. This compound is essential for R&D and production in the specialty polymer, advanced resin, and antioxidant manufacturing sectors.

Application

• Polymer Intermediate: Serves as a critical monomer for synthesizing specialized polycarbonates, polyesters, and epoxy resins with enhanced properties.
• Antioxidant Precursor: Used in the manufacture of high-performance phenolic antioxidants for plastics, rubber, and lubricants to prevent thermal and oxidative degradation.
• Pharmaceutical Intermediate: Employed in the research and development of certain active pharmaceutical ingredients (APIs) and fine chemicals.
• Material Science Research: Utilized in R&D for developing novel polymeric materials with specific thermal and mechanical characteristics.
• Specialty Additives: Functions as a building block for creating UV stabilizers and other functional additives for coatings and engineering plastics.

Basic Information

Product Name	Alpha,Alpha'-Bis(4-Hydroxyphenyl)-1,4-Diisopropylbenzene
CAS No.	2167-51-3
Molecular Formula	C24H26O2
Molecular Weight	346.46 g/mol
Synonyms	1,4-Bis(2-(4-hydroxyphenyl)propan-2-yl)benzene; 2,2-Bis(4-hydroxyphenyl)-1,4-diisopropylbenzene; Bisphenol-1,4-diisopropylbenzene; Hindered Bisphenol Derivative; 4,4'-(1,4-Phenylenediisopropylidene)diphenol; 1,1'-(1,4-Phenylenebis(1-methylethylidene))bis[4-hydroxybenzene]; Tetramethylbisphenol P
EINECS	218-513-8

Quality Control

Our Alpha,Alpha'-Bis(4-Hydroxyphenyl)-1,4-Diisopropylbenzene is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for use in sensitive applications like polymer synthesis. A Certificate of Analysis (COA) detailing all test results is provided with every 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). Due to its property of being easily oxidized, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation. 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	165 - 170 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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