Description

4,4'-(1,3-Phenylenediisopropylidene)Bisphenol is a high-purity, specialty bisphenol derivative used as a critical monomer and intermediate in advanced polymer synthesis. This compound matters for its ability to impart enhanced thermal stability, mechanical strength, and chemical resistance to high-performance materials. It is primarily needed by manufacturers in the epoxy resin, polycarbonate, and specialty plastics industries, where it serves as a key building block for demanding applications.

Application

• Epoxy Resin Hardener/Co-monomer: A key component for formulating high-performance, heat-resistant epoxy systems used in aerospace composites, electronic encapsulants, and industrial coatings.
• Polycarbonate Copolymer Synthesis: Used as a comonomer to produce modified polycarbonates with improved flame retardancy, thermal stability, and optical properties.
• Specialty Polymer Intermediate: Serves as a versatile monomer for synthesizing polysulfones, polyarylates, and other engineering plastics requiring high thermal and oxidative stability.
• Flame Retardant Additive Precursor: Acts as a starting material in the production of halogen-free or phosphorus-based flame retardants for polymers and textiles.
• Adhesive & Coating Formulations: Incorporated into high-strength structural adhesives and protective coatings to enhance durability and chemical resistance.
• Chemical Synthesis Intermediate: Utilized in organic synthesis for creating complex molecules in pharmaceutical and agrochemical research.

Basic Information

Product Name	4,4'-(1,3-Phenylenediisopropylidene)Bisphenol
CAS No.	13595-25-0
Molecular Formula	C27H32O2
Molecular Weight	388.55 g/mol
Synonyms	1,3-Bis[2-(4-hydroxyphenyl)propan-2-yl]benzene; Bisphenol M; 4,4'-(1,3-Phenylenebis(1-methylethylidene))bisphenol; 1,1'-(1,3-Phenylenebis(1-methylethylidene))bis[4-hydroxybenzene]; BPM; 4,4'-(m-Phenylenediisopropylidene)diphenol; Tetramethylbisphenol M; TMBP-M
EINECS	Contact for details

Quality Control

Our 4,4'-(1,3-Phenylenediisopropylidene)Bisphenol is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise purity and consistency specifications critical for polymer synthesis. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.5%
Melting Point	155 - 165 °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.