Description

2-(Methylthio)Ethyl Methacrylate is a specialized methacrylate monomer containing a thioether functional group. This unique structure makes it a valuable reactive intermediate for introducing sulfur-containing moieties into polymer chains, enhancing properties like adhesion, refractive index, and chemical resistance. It is primarily sought after by R&D chemists and polymer formulators in the coatings, adhesives, and advanced materials sectors for creating custom-tailored performance polymers.

Application

• Adhesive Formulations: Used as a co-monomer to improve adhesion to low-surface-energy substrates like metals and treated plastics.
• Specialty Coatings: Incorporated into UV-curable or solvent-based coatings to enhance chemical resistance, durability, and optical properties.
• Optical Polymers: Serves as a key monomer in the synthesis of high-refractive-index polymers for lenses, optical fibers, and electronic displays.
• Hydrophilic Contact Lenses: Acts as a functional monomer in the production of soft, gas-permeable hydrogel materials.
• Dental & Biomedical Materials: Utilized in resin-based composites and bone cements to modify mechanical strength and biocompatibility.
• Pressure-Sensitive Adhesives (PSAs): Modifies tack, peel, and shear properties in acrylic PSA tapes and labels.
• Modifier for Acrylic Resins: Imparts specific characteristics like reduced odor, enhanced flexibility, or crosslinking sites in acrylic copolymers.
• Chemical Synthesis Intermediate: Employed in organic synthesis to build more complex sulfur-containing molecules for pharmaceuticals or agrochemicals.

Basic Information

Product Name	2-(Methylthio)Ethyl Methacrylate
CAS No.	14216-23-0
Molecular Formula	C7H12O2S
Molecular Weight	160.23 g/mol
Synonyms	2-(Methylthio)ethyl 2-methylprop-2-enoate; Methacrylic Acid 2-(Methylthio)ethyl Ester; 2-Methyl-2-propenoic Acid 2-(Methylthio)ethyl Ester; MTEMA; β-(Methylthio)ethyl Methacrylate; Ethylene Glycol Monomethyl Ether Methacrylate Thioether; 2-(Methylmercapto)ethyl Methacrylate
EINECS	238-076-8

Quality Control

Our 2-(Methylthio)Ethyl Methacrylate is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing including GC, HPLC, and NMR to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

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. This product is light-sensitive and easily oxidized; for long-term storage, consider under an inert atmosphere such as nitrogen or argon. Keep away from heat, sparks, open flames, and strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Inhibitor (MEHQ)	50 - 150 ppm
Refractive Index (n20D)	1.4780 - 1.4820
Density (20°C)	1.03 - 1.07 g/mL

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