Description

Thiodi-2,1-Ethanediyl Bismethacrylate is a sulfur-containing difunctional methacrylate monomer, also known by its CAS number 35411-32-6. This compound is valued for its ability to introduce cross-linking sites and modify polymer properties such as refractive index, adhesion, and chemical resistance. It is primarily needed by manufacturers in the polymer, specialty coatings, and advanced adhesive industries seeking to enhance material performance.

Application

• Cross-linking Agent in the production of high-performance thermosetting resins and plastics.
• Modifier for Optical Polymers, used to adjust the refractive index in lenses, optical fibers, and coatings.
• Adhesive Formulation component for enhancing bond strength and durability in structural and industrial adhesives.
• Dental & Biomedical Materials as a co-monomer in restorative composites and bone cements.
• UV-Curable Coatings & Inks, contributing to rapid curing and improved surface properties.
• Impact Modifier for engineering plastics and rubber compounds.

Basic Information

Product Name	Thiodi-2,1-Ethanediyl Bismethacrylate
CAS No.	35411-32-6
Molecular Formula	C12H18O4S
Molecular Weight	258.34 g/mol
Synonyms	2,2'-(Thiodiethylene) dimethacrylate; Ethanol, 2,2'-thiobis-, 1,1'-dimethacrylate; Bis(2-methacryloyloxyethyl) sulfide; 1,1'-[Thiobis(2,1-ethanediyloxy)]bis-2-methyl-1-propene; TEGDMA analog (sulfur-containing); 2,2'-Thiodiethyl Dimethacrylate; Sulfur-containing dimethacrylate monomer
EINECS	Contact for details

Quality Control

Our Thiodi-2,1-Ethanediyl Bismethacrylate is produced under a rigorous quality management system. Each batch undergoes comprehensive analytical testing to ensure consistent purity and performance. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, containers should be kept in opaque packaging or dark storage conditions.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.490 - 1.510
Density (20°C)	1.10 - 1.20 g/cm³

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