Description

(1-Methylethylidene)Bis[(2-Methyl-4,1-Phenylene)Oxy(1-Methyl-2,1-Ethanediyl)] Bismethacrylate is a high-purity, multi-functional methacrylate crosslinker. This compound is valued for its ability to introduce durable, cross-linked polymer networks, significantly enhancing the thermal stability, chemical resistance, and mechanical strength of final materials. It is primarily sought by manufacturers in the advanced polymer, specialty coatings, and high-performance adhesive industries for formulating products that require exceptional durability.

Application

• Advanced Polymer Synthesis: A key crosslinking agent for producing high-performance thermosetting resins, including unsaturated polyester resins and acrylic polymers.
• Specialty Coatings & Inks: Used in UV-curable coatings, printing inks, and hard coatings to improve scratch resistance, adhesion, and weatherability.
• Dental & Biomedical Materials: Employed in the formulation of dental composites and bone cements to enhance structural integrity and longevity.
• Optical Lenses & Components: Serves as a crosslinker in optical resins for eyeglasses and lenses, improving refractive index and reducing brittleness.
• Electronic Encapsulants & Adhesives: Used in potting compounds and adhesives for electronics to provide excellent insulation and thermal stability.
• Composite Materials: Enhances the properties of fiber-reinforced plastics (FRP) and other composite materials for automotive and aerospace applications.

Basic Information

Item	Details
Product Name	(1-Methylethylidene)Bis[(2-Methyl-4,1-Phenylene)Oxy(1-Methyl-2,1-Ethanediyl)] Bismethacrylate
CAS No.	70146-06-4
Molecular Formula	C₃₀H₃₈O₈
Molecular Weight	526.62 g/mol
Synonyms	Bisphenol A Dimethacrylate Derivative; 2,2-Bis[4-(2-Hydroxy-3-methacryloyloxypropoxy)phenyl]propane Dimethacrylate; BPA Diglycidyl Ether Dimethacrylate; Bisphenol A Glycerolate Dimethacrylate; Bis-GMA Analog; Bisphenol A Ethoxylate Dimethacrylate; 70146-06-4; Bisphenol A based Bismethacrylate
EINECS	Contact for details

Quality Control

Our (1-Methylethylidene)Bis[(2-Methyl-4,1-Phenylene)Oxy(1-Methyl-2,1-Ethanediyl)] Bismethacrylate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay, impurity profiling, and identity confirmation, to ensure it meets precise customer specifications and industry benchmarks. 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 a controlled room temperature (15-25°C/59-77°F). This product is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere); it is recommended to store under an inert gas (e.g., nitrogen or argon) to maximize shelf life and maintain purity. Keep away from heat, open flames, and incompatible materials.

Specification

Item	Specification
Appearance	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%
Viscosity (25°C)	Reported on COA
Refractive Index (n20/D)	Reported on COA

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