Description

Hydroxyethylthiomethacrylate CAS NO 169682-76-2 is a specialized methacrylate monomer featuring a thioether linkage and a hydroxyl group, offering unique dual functionality for advanced polymer synthesis. This compound is valued for its ability to introduce both cross-linking sites and polarity into polymer backbones, enhancing material properties like adhesion, flexibility, and chemical resistance. It is primarily sought by R&D chemists and formulators in the coatings, adhesives, and advanced materials sectors for developing high-performance specialty polymers.

Application

• UV-Curable Coatings and Inks: Serves as a reactive diluent and cross-linker to improve cure speed, adhesion to difficult substrates, and final film toughness.
• Adhesive Formulations: Used to enhance the bonding strength, flexibility, and environmental resistance of acrylic and structural adhesives.
• Specialty Polymer Synthesis: A key monomer for creating functional polymers with tailored properties for medical devices, optical lenses, and impact modifiers.
• Surface Modification Agents: Employed in the production of surface-active monomers for coatings that require specific surface energy or anti-fog properties.
• Photoresist and Electronic Materials: Utilized in the development of advanced photoresists and dielectric materials for the electronics industry due to its reactive sites.
• Hydrogel and Biomedical Polymers: Acts as a co-monomer for synthesizing hydrogels and biocompatible polymers, leveraging its hydroxyl group for further functionalization.

Basic Information

Product Name	Hydroxyethylthiomethacrylate
CAS No.	169682-76-2
Molecular Formula	C7H12O2S
Molecular Weight	160.23 g/mol
Synonyms	2-Hydroxyethylthiomethacrylate; 2-(Methacryloylthio)ethanol; 2-[(2-Methyl-1-oxo-2-propen-1-yl)thio]ethanol; 2-Hydroxyethyl methacrylate sulfide; HEMA sulfide; Thioglycol methacrylate; β-Hydroxyethyl thiomethacrylate; 2-Mercaptoethyl methacrylate (related precursor)
EINECS	Contact for details

Quality Control

Our Hydroxyethylthiomethacrylate is manufactured under strict quality management protocols. Each batch is analyzed to ensure high purity and consistency, with key parameters verified via GC, HPLC, and NMR. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area at 2-8°C (refrigerated) or as specified on the label to maximize shelf life and maintain purity. Due to its highly volatile and light-sensitive nature, containers should be kept sealed when not in use and handled under an inert atmosphere if prolonged exposure is anticipated.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.510 - 1.520
Density (20°C)	1.10 - 1.20 g/mL

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