Description

Poly(Ethylene Glycol) Methyl Ether Acrylate is a versatile methoxy-terminated acrylate monomer featuring a hydrophilic poly(ethylene glycol) spacer. This compound is engineered to impart water solubility, flexibility, and reactivity into polymer chains, making it a critical building block for advanced materials. It is essential for formulators and polymer chemists in industries such as specialty coatings, hydrogels, and biomedical devices who require precise control over material properties and biocompatibility.

Application

• UV-Curable Coatings & Inks: As a reactive diluent and modifier to enhance flexibility, adhesion, and hydrophilicity in coatings for plastics, metals, and paper.
• Hydrogel Synthesis: A key monomer for creating cross-linked, water-absorbent networks used in contact lenses, wound dressings, and drug delivery systems.
• Bioconjugation & Surface Modification: Used to introduce PEG chains (PEGylation) onto proteins, nanoparticles, or material surfaces to improve solubility, stability, and reduce immunogenicity.
• Acrylic Polymer Modification: Incorporated into acrylic copolymers to adjust the glass transition temperature (Tg), improve impact resistance, and introduce polar characteristics.
• Adhesives & Sealants: Enhances the wetting and bonding properties of acrylic-based adhesives, particularly on difficult-to-bond substrates.
• Lithography & Photoresists: Serves as a component in photopolymer formulations for microelectronics and advanced patterning applications.

Basic Information

Product Name	Poly(Ethylene Glycol) Methyl Ether Acrylate
CAS No.	32171-39-4
Molecular Formula	CnH2n+2On+3 (n varies with PEG chain length)
Molecular Weight	Variable (depends on the number of ethylene oxide units)
Synonyms	PEG Methyl Ether Acrylate; Methoxy Polyethylene Glycol Acrylate; mPEG Acrylate; Acrylic acid, 2-hydroxyethyl ester, ethoxylated, methyl ether; Poly(oxy-1,2-ethanediyl), α-(2-methyl-1-oxo-2-propen-1-yl)-ω-methoxy-; Ethoxylated Hydroxyethyl Acrylate Methyl Ether; Polyethylene Glycol Monomethyl Ether Acrylate
EINECS	Contact for details

Quality Control

Our Poly(Ethylene Glycol) Methyl Ether Acrylate is manufactured under a strict quality management system. Each batch is analyzed to ensure consistent purity, functionality, and performance. Key parameters such as assay, degree of ethoxylation, acid value, and color are monitored. A Certificate of Analysis (COA) documenting these results is provided with every shipment to guarantee compliance with your specifications and industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at temperatures between 2°C and 8°C (refrigerated) or as specified on the label to maximize shelf life and inhibit premature polymerization. This material is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 97.0%
Acid Value	≤ 1.0 mg KOH/g
Water Content (KF)	≤ 0.5%
Color (APHA)	≤ 100
Inhibitor (MEHQ)	100 - 250 ppm

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