Description

Benzylidene Bismethacrylate CAS NO 50657-68-6 is a specialized difunctional methacrylate monomer featuring a central benzylidene group. This compound is valued for its ability to act as a crosslinking agent and a reactive diluent, imparting enhanced thermal stability and mechanical properties to polymer networks. It is primarily sought by formulators and researchers in the advanced polymer, specialty coatings, and dental materials industries for developing high-performance thermoset resins and composites.

Application

• Crosslinking Agent for Specialty Polymers: Used to create high-density, three-dimensional polymer networks with improved heat resistance and mechanical strength in thermosetting resins.
• Reactive Diluent in Advanced Coatings: Functions as a low-viscosity monomer to improve processability while participating in the curing reaction, enhancing coating durability and chemical resistance.
• Dental and Biomedical Composites: A key component in the formulation of dental restorative materials and bone cements, contributing to biocompatibility and structural integrity.
• Optical and Electronic Materials: Employed in the synthesis of polymers for optical lenses, waveguides, and encapsulants due to its potential for high clarity and stable refractive index.
• Adhesive and Sealant Formulations: Imparts strong adhesion and crosslink density in high-performance industrial adhesives and sealants.
• Research & Development: Serves as a valuable building block in organic synthesis and materials science research for creating novel polymeric architectures.

Basic Information

Product Name	Benzylidene Bismethacrylate
CAS No.	50657-68-6
Molecular Formula	C22H22O6
Molecular Weight	382.41 g/mol
Synonyms	1,4-Bis(methacryloyloxy)benzene; 1,4-Benzenediol, 1,4-bis(2-methyl-2-propenoate); p-Phenylene bismethacrylate; 1,4-Phenylenedimethacrylate; Benzylidene Bismethacrylate; 1,4-Bis(methacryloyloxy)benzene; 4,4'-Bismethacryloyloxydiphenylmethane (related structure); Bis-GMA analog (generic)
EINECS	Contact for details

Quality Control

Our Benzylidene Bismethacrylate is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for advanced material synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance processes.

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). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider under an inert atmosphere to prevent potential polymerization.

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%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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