Description

Oxybis(Methyl-2,1-Ethanediyl) Diacrylate is a high-purity, difunctional acrylate monomer characterized by its reactive double bonds and ether linkage. This compound is a critical building block for creating advanced polymer networks with tailored properties such as enhanced flexibility, crosslink density, and chemical resistance. It is essential for formulators and manufacturers in the UV/EB-curable coatings, inks, adhesives, and specialty resin sectors seeking to improve product performance and durability.

Application

• UV-Curable Coatings & Inks: A key monomer for formulating high-performance, fast-curing surface coatings and printing inks, offering excellent adhesion and weatherability.
• Adhesives & Sealants: Used to produce crosslinked acrylic adhesives with superior bond strength, flexibility, and environmental resistance.
• Photopolymer Resins: Serves as a reactive diluent and crosslinker in resins for 3D printing (stereolithography) and photopolymer plates.
• Fiber Optic Coatings: Employed in the production of protective, secondary coatings for optical fibers due to its curing speed and mechanical properties.
• Electronics Encapsulation: Used in potting compounds and encapsulants to protect sensitive electronic components.
• Dental & Medical Materials: A component in light-curable composites and restorative materials requiring precise control over polymerization and final material properties.

Basic Information

Product Name	Oxybis(Methyl-2,1-Ethanediyl) Diacrylate
CAS No.	57472-68-1
Molecular Formula	C₁₄H₂₂O₆
Molecular Weight	286.32 g/mol
Synonyms	Diethylene Glycol Dimethacrylate Dimer; 2,2'-[Oxybis(methylene)]bis(2,1-ethanediyl) diacrylate; Tetraethylene Glycol Diacrylate (TEGDA) isomer; Acrylic acid, oxybis(methyl-2,1-ethanediyl) ester; Bis(2-(acryloyloxy)ethoxy)methane; PEG-4 Diacrylate (approx.); Light crosslinker DA-4; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our Oxybis(Methyl-2,1-Ethanediyl) Diacrylate is manufactured under a stringent quality management system. Each batch is tested to ensure it meets precise specifications for purity, identity, and performance. Certificates of Analysis (COA) documenting key parameters such as assay, inhibitor content, and color are provided to guarantee consistency and reliability for your formulation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at temperatures between 15-25°C (59-77°F). This product is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). Keep away from heat, sparks, open flames, and incompatible materials such as strong oxidizing agents and polymerization initiators. For long-term storage, consider under an inert gas blanket.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 97.0%
Color (APHA)	≤ 50
Water Content (KF)	≤ 0.1%
Inhibitor (MEHQ)	100 - 200 ppm
Acid Value	≤ 0.5 mg KOH/g
Density (20°C)	~1.11 g/cm³

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