Description

4,4'-Bis(2,3-Epoxypropoxy)Benzophenone is a high-purity, multi-functional epoxy resin intermediate and cross-linking agent. Its molecular structure, featuring both a benzophenone core and terminal epoxy groups, makes it a critical component for synthesizing advanced polymers with enhanced thermal stability and UV resistance. This compound is essential for manufacturers in the photoresist, specialty coatings, and high-performance composite materials industries seeking to improve product durability and performance.

Application

• As a key photosensitive monomer and cross-linker in the formulation of photoresists for semiconductor and printed circuit board (PCB) manufacturing.
• As a reactive diluent and modifier in advanced epoxy resin systems to enhance thermal, mechanical, and chemical resistance properties.
• In the synthesis of UV-curable coatings, inks, and adhesives, where it contributes to rapid curing and improved surface hardness.
• As a building block for high-performance composite materials used in aerospace, automotive, and electronics applications.
• In the production of optical materials and lenses, leveraging its clarity and stability.
• For research and development of novel polymeric materials with specific optical or thermal characteristics.

Basic Information

Product Name	4,4'-Bis(2,3-Epoxypropoxy)Benzophenone
CAS No.	5145-95-9
Molecular Formula	C21H22O6
Molecular Weight	370.40 g/mol
Synonyms	1,1'-[1,4-Phenylenebis(oxy-2,1-ethanediyloxy)]bis[2,3-epoxypropane]; Benzophenone, 4,4'-bis(2,3-epoxypropoxy)-; 4,4'-Diglycidyloxybenzophenone; Bisphenol A diglycidyl ether benzophenone derivative; 4,4'-Bis(glycidyloxy)benzophenone; DGBA-BP; EPOX-BP
EINECS	225-904-3

Quality Control

Our 4,4'-Bis(2,3-Epoxypropoxy)Benzophenone is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay, epoxy value determination, and impurity profiling, to ensure it meets the high-purity standards required for advanced material synthesis. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Epoxy Value	Contact for details
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.