Description

Tetra(Ethylene Glycol) Diacrylate is a high-purity, multi-functional acrylate monomer characterized by its extended ethylene glycol chain. This structure is critical for imparting flexibility, hydrophilicity, and crosslinking capability to polymer networks. It is an essential raw material for formulators and polymer chemists in industries such as advanced coatings, photopolymers, and specialty adhesives, where precise control over material properties is required.

Application

This versatile monomer is a key component in the synthesis of advanced polymeric materials. Its primary applications include:

• UV-Curable Coatings and Inks: As a reactive diluent and crosslinker to create flexible, durable, and high-gloss finishes for plastics, paper, and metal.
• Photopolymer Resins: For stereolithography (SLA) and digital light processing (DLP) 3D printing, enabling the production of detailed, water-washable prototypes and parts.
• Adhesives and Sealants: To formulate pressure-sensitive adhesives (PSAs) and anaerobic sealants with enhanced bond strength and environmental resistance.
• Dental Composites and Restoratives: As a matrix resin component, contributing to low shrinkage and improved mechanical properties in dental materials.
• Fiber Optic Coatings: Providing a protective, flexible secondary coating that safeguards optical fibers from mechanical and environmental stress.
• Hydrogel Synthesis: For biomedical applications such as contact lenses, wound dressings, and drug delivery systems due to its hydrophilic nature.

Basic Information

Product Name	Tetra(Ethylene Glycol) Diacrylate
CAS No.	17831-71-9
Molecular Formula	C14H22O8
Molecular Weight	318.32 g/mol
Synonyms	TEGDA; Tetraethylene Glycol Diacrylate; 2-Propenoic acid, 1,1'-[1,2-ethanediylbis(oxy-2,1-ethanediyloxy-2,1-ethanediyl)] ester; 3,6,9,12-Tetraoxatetradeca-1,13-diene; 14-Acryloyl-3,6,9,12-tetraoxatetradec-13-en-1-yl acrylate; Ethoxylated (4) Diacrylate; SR 268 (Sartomer trade name); NK Ester A-4G (Shin-Nakamura trade name)
EINECS	241-787-3

Quality Control

Our Tetra(Ethylene Glycol) Diacrylate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay, purity, and impurity profile analysis, to ensure it meets exacting specifications for sensitive applications like photopolymers and biomedical materials. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 15-25°C (59-77°F). This product is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen) to prevent premature polymerization and maintain shelf life. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Color (APHA)	≤ 50
Water Content (KF)	≤ 0.1%
Acid Value	≤ 0.5 mg KOH/g
Inhibitor (MEHQ)	100 - 200 ppm
Viscosity (25°C)	15 - 25 mPa·s
Density (20°C)	1.10 - 1.12 g/cm³

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