Description

2,2-Bis[4-[9-(Methacryloyloxy)-1,4,7-Trioxanonane-1-Yl]Phenyl]Propane is a specialized dimethacrylate monomer featuring a unique polyether-linked bisphenol A core structure. This compound is engineered to provide exceptional flexibility, reactivity, and compatibility in advanced polymer formulations. It is a critical raw material for manufacturers in the photopolymer, dental materials, and high-performance coatings industries seeking to enhance material properties such as toughness, adhesion, and crosslink density.

Application

• Photopolymer Resins: A key monomer for UV-curable inks, coatings, and 3D printing (stereolithography) resins, contributing to low shrinkage and high resolution.
• Dental Composites & Adhesives: Used in restorative materials and bonding agents to improve mechanical strength, durability, and bond strength to tooth structure.
• Optical Fiber Coatings: Imparts flexibility and environmental resistance to primary and secondary coatings for optical fibers.
• Electronic Encapsulants & Adhesives: Serves as a reactive diluent and crosslinker in potting compounds and adhesives requiring good electrical properties and thermal stability.
• High-Performance Coatings: Enhances the abrasion resistance, chemical resistance, and flexibility of industrial and protective coatings.
• Lithographic Printing Plates: A functional component in photosensitive compositions for computer-to-plate (CTP) technology.

Basic Information

Item	Details
Product Name	2,2-Bis[4-[9-(Methacryloyloxy)-1,4,7-Trioxanonane-1-Yl]Phenyl]Propane
CAS No.	56744-46-8
Molecular Formula	C38H52O10
Molecular Weight	668.82 g/mol
Synonyms	Bis-GMA analog with triethylene glycol methacrylate chain; 2,2-Bis[4-(9-methacryloyloxy-1,4,7-trioxanon-1-yl)phenyl]propane; Bisphenol A ethoxylate dimethacrylate (approx. 3 EO); Bisphenol A ethoxylate (3 EO) dimethacrylate; Polyethylene glycol extended Bis-GMA derivative; 9,9-Bis[4-(9-methacryloyloxy-1,4,7-trioxanonyl)phenyl]fluorene (common misnomer); PEG(3)-BPA-DM; Light-curable dimethacrylate monomer
EINECS	Contact for details

Quality Control

Our production of 2,2-Bis[4-[9-(Methacryloyloxy)-1,4,7-Trioxanonane-1-Yl]Phenyl]Propane adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed via HPLC, GC, and NMR to confirm identity, assay, and impurity profiles. We provide comprehensive Certificates of Analysis (COA) with all shipments, detailing specifications for purity, color, acid value, and residual monomer content. Our quality system supports compliance with relevant standards for industrial and advanced material applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 15°C and 25°C (59°F and 77°F). This product is light-sensitive and should be kept in its original amber container or equivalent light-blocking packaging. Keep away from strong acids, bases, and sources of ignition. For long-term storage, consider under an inert atmosphere to prevent premature polymerization.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Color (APHA)	≤ 100
Acid Value	≤ 1.0 mg KOH/g
Water Content (KF)	≤ 0.1%
Refractive Index (n20D)	1.510 - 1.520
Density (20°C)	1.10 - 1.15 g/cm³
Viscosity (25°C)	Contact for details

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