Description

Alpha,Alpha'-[(1-Methylethylidene)Di-4,1-Phenylene]Bis[ω-[(1-Oxo-2-Propenyl)Poly[Oxy(Methyl-1,2-Ethanediyl)]] is a specialized polymeric chemical intermediate, specifically a bisphenol A-based dimethacrylate derivative with poly(ethylene glycol) spacer units. This compound is valued for its bifunctional reactivity, serving as a cross-linking agent and a building block for creating high-performance, tailored polymer networks. It is essential for manufacturers in the advanced materials sector seeking to enhance the mechanical properties, thermal stability, and processability of their final products. The CAS number for this substance is 61722-28-9.

Application

This versatile dimethacrylate monomer is engineered for applications requiring precise polymer architecture and performance.

• Dental & Biomedical Composites: A key cross-linking monomer in dental restorative resins, crown & bridge materials, and bone cements, contributing to low shrinkage and high strength.
• Advanced Coatings & Inks: Used in UV-curable coatings, inks, and adhesives to provide excellent film hardness, chemical resistance, and fast curing properties.
• Optical & Electronic Materials: Serves as a precursor for optical lenses, waveguides, and encapsulants due to its ability to form clear, durable polymer matrices.
• 3D Printing Resins: A critical component in stereolithography (SLA) and digital light processing (DLP) resins, enabling high-resolution prints with desirable mechanical properties.
• Composite Materials: Acts as a matrix resin or modifier in fiber-reinforced plastics (FRP) for automotive and aerospace components.
• Contact Lens Manufacturing: Utilized in the synthesis of hydrogel materials for soft contact lenses, offering a balance of oxygen permeability and wettability.

Basic Information

Item	Details
Product Name	Alpha,Alpha'-[(1-Methylethylidene)Di-4,1-Phenylene]Bis[ω-[(1-Oxo-2-Propenyl)Poly[Oxy(Methyl-1,2-Ethanediyl)]]
CAS No.	61722-28-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	2,2-Bis[4-(2-hydroxy-3-methacryloyloxypropoxy)phenyl]propane; Bisphenol A diglycidyl ether dimethacrylate (BADGE-DMA); Bisphenol A ethoxylate dimethacrylate; Bisphenol A glycerolate dimethacrylate; Bisphenol A polyethoxy dimethacrylate; Dental monomer; PEG-modified Bisphenol A dimethacrylate; Ethoxylated Bisphenol A dimethacrylate
EINECS	Contact for details

Quality Control

Our Alpha,Alpha'-[(1-Methylethylidene)Di-4,1-Phenylene]Bis[ω-[(1-Oxo-2-Propenyl)Poly[Oxy(Methyl-1,2-Ethanediyl)]] is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistency, purity, and performance for demanding applications such as dental and biomedical uses. Certificates of Analysis (COA) detailing key parameters like assay, residual monomer content, and color are available upon request.

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). This product is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen) when in opened containers to prevent polymerization and maintain shelf life. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Clear, viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Color (APHA)	≤ 100
Viscosity	Contact for details
Acid Value	≤ 1.0 mg KOH/g
Water Content	≤ 0.2%
Inhibitor (MEHQ)	50 - 200 ppm

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