Description

Bisphenol A Ethoxylate Dimethacrylate is a specialized, high-purity methacrylate monomer engineered for advanced polymer synthesis. This compound is valued for its dual functionality, which enables the formation of highly cross-linked, durable polymer networks with tailored thermal and mechanical properties. It is an essential raw material for manufacturers in the photopolymer, advanced coating, and specialty adhesive industries seeking to enhance product performance and reliability.

Application

This versatile monomer is a key component in formulations requiring high-performance characteristics.

• Photopolymer Resins for 3D printing (SLA/DLP) and rapid prototyping.
• UV-curable Coatings & Inks for electronics, optical fibers, and industrial finishes.
• Dental Composites & Restorative Materials requiring high strength and biocompatibility.
• Specialty Adhesives & Sealants with enhanced chemical and thermal resistance.
• Fiber Optic Coatings and other optical applications.
• Lithographic Printing Plates and other graphic arts materials.

Basic Information

Product Name	Bisphenol A Ethoxylate Dimethacrylate
CAS No.	41637-38-1
Molecular Formula	C~29~H~36~O~8~
Molecular Weight	512.6 g/mol
Synonyms	BPA-EDMA; 2,2-Bis[4-(2-hydroxy-3-methacryloyloxypropoxy)phenyl]propane; Ethoxylated Bisphenol A Dimethacrylate; Bisphenol A Ethoxylate (2 EO/phenol) Dimethacrylate; Bisphenol A 2-EO Dimethacrylate; BPA(EO)~2~DMA; SR-348 (Sartomer trade name); Photomer 4028 (IGM trade name)
EINECS	255-470-1

Quality Control

Our Bisphenol A Ethoxylate Dimethacrylate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay, impurity profiling, and color determination, to ensure it meets the high-purity standards required for sensitive applications like dental and optical materials. A Certificate of Analysis (COA) detailing all test results is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at 15-25°C. This product is easily oxidized; for long-term storage, an inert atmosphere (nitrogen blanket) is recommended. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Clear, Colorless to Pale Yellow Viscous Liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 97.0 %
Color (APHA)	≤ 100
Acid Value	≤ 1.0 mg KOH/g
Water Content (KF)	≤ 0.1 %
Viscosity (25°C)	800 - 1200 mPa·s
Refractive Index (n20D)	1.525 - 1.535

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