Description

Bis(Methacryloxy)Diphenylsilane is a specialized organosilicon monomer featuring dual methacrylate functional groups. This compound is valued for its ability to introduce siloxane linkages and polymerizable methacrylate units into advanced material matrices, enhancing properties like adhesion, crosslink density, and thermal stability. It is a critical raw material for manufacturers in the high-performance polymers, advanced composites, and specialty coatings sectors seeking to develop materials with superior mechanical and chemical resistance.

Application

• Crosslinking Agent in high-performance silicone-acrylate hybrid polymers and resins.
• Key Monomer for synthesizing dental restorative materials and biocompatible polymers.
• Adhesion Promoter in coatings and adhesives for difficult-to-bond substrates like metals and treated plastics.
• Precursor for UV-curable resins used in 3D printing (stereolithography) and optical fiber coatings.
• Modifier for epoxy and polyimide systems to improve flexibility and reduce internal stress.
• Intermediate in the production of specialty silicones for release liners and pressure-sensitive adhesives.

Basic Information

Product Name	Bis(Methacryloxy)Diphenylsilane
CAS No.	63696-07-1
Molecular Formula	C20H22O4Si
Molecular Weight	354.48 g/mol
Synonyms	Diphenylbis(2-methacryloxyethyloxy)silane; Diphenylbis(methacryloxy)silane; Bis(methacryloxyethyloxy)diphenylsilane; 1,1'-(Diphenylsilanediyl)bis(2-methylprop-2-en-1-one); Methacryloxy-functional diphenylsilane; Silane monomer, methacryloxy; Diphenyl dimethacrylate silane
EINECS	Contact for details

Quality Control

Our Bis(Methacryloxy)Diphenylsilane is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay by HPLC and identification by FT-IR and NMR spectroscopy, to ensure high purity and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to the presence of polymerizable methacrylate groups, inhibitors are typically added; consult the specific product label or COA for details.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Refractive Index (n20D)	1.530 - 1.540
Density (20°C)	1.08 - 1.12 g/cm³

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