Description

Ethylidene Dimethacrylate is a high-purity, bifunctional methacrylate monomer essential for creating highly cross-linked polymer networks. Its dual reactive sites enable efficient polymerization, resulting in materials with superior hardness, chemical resistance, and thermal stability. This compound is a critical raw material for manufacturers in the dental materials, advanced adhesives, and specialty coatings industries seeking to enhance product performance.

Application

• Dental Composites and Restoratives: A key cross-linking agent in resin-based composites, crowns, and fillings, providing durability and wear resistance.
• Bone Cements and Biomedical Polymers: Used in orthopedic and dental cements to form strong, biocompatible polymer matrices.
• High-Performance Adhesives: Imparts excellent bonding strength and chemical resistance in industrial and structural acrylic adhesives.
• UV-Curable Coatings and Inks: Serves as a reactive diluent and cross-linker in formulations requiring fast cure times and enhanced surface properties.
• Optical Lenses and Polymers: Employed in the production of transparent, scratch-resistant polymers for optical applications.
• Lithographic Printing Plates: Acts as a photopolymerizable component in the manufacture of printing plates.
• Modifier for Rubber and Plastics: Used to graft polymers, improving impact resistance and other mechanical properties.

Basic Information

Product Name	Ethylidene Dimethacrylate
CAS No.	25073-88-5
Molecular Formula	C10H14O4
Molecular Weight	198.22 g/mol
Synonyms	EDMA; 2-Methyl-2-propenoic acid 1,1'-[1-ethylidenebis(oxy-2,1-ethanediyl)] ester; 1,1'-[1-Ethylidenebis(oxy-2,1-ethanediyl)] bis[2-methyl-2-propenoate]; Ethylene Glycol Dimethacrylate, Ethylidene Derivative; Bis(2-(methacryloyloxy)ethyl) Ether; 2,2'-[Ethylidenebis(oxy)]bis(ethyl methacrylate)
EINECS	246-617-0

Quality Control

Our Ethylidene Dimethacrylate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay by GC/HPLC and impurity profiling, to ensure it meets the high-purity standards required for sensitive applications like dental and biomedical materials. A Certificate of Analysis (COA) detailing purity, identity, and specific test results is provided with every shipment.

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). Keep away from heat, sparks, and open flame. Incompatible with strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0 %
Water Content (KF)	≤ 0.1 %
Acid Value	≤ 0.5 mg KOH/g
Refractive Index (20°C)	1.458 - 1.462
Density (20°C)	1.05 - 1.09 g/cm³

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