Description

2-Propenoic Acid,2-Methyl-,1,1-Dimethylbuthyl Ester is a specialized acrylate ester monomer, also known as tert-butyl methacrylate, valued for its ability to impart high glass transition temperature (Tg), excellent weathering resistance, and hydrolytic stability to polymer chains. This compound is essential for formulators and polymer chemists seeking to enhance the performance characteristics of acrylic resins and coatings. It is primarily utilized in the production of high-performance polymers for the automotive, industrial coating, and advanced adhesive sectors.

Application

• High-Performance Acrylic Resins: A key monomer for synthesizing acrylic and methacrylic copolymers with enhanced thermal and chemical resistance.
• Automotive & Industrial Coatings: Used in formulations for clear coats, topcoats, and refinish paints requiring superior durability, gloss retention, and weatherability.
• Adhesives & Sealants: Imparts toughness and environmental stability to pressure-sensitive adhesives (PSAs) and structural adhesives.
• Specialty Polymers: Serves as a building block for polymers used in optical lenses, electronics encapsulation, and other demanding applications.
• UV-Curable Systems: A functional monomer in formulations for inks, coatings, and 3D printing resins that cure rapidly under UV light.
• Modifier for Polymer Properties: Employed to tailor the glass transition temperature, flexibility, and solubility parameters of custom polymer blends.

Basic Information

Product Name	2-Propenoic Acid,2-Methyl-,1,1-Dimethylbuthyl Ester
CAS No.	100472-88-6
Molecular Formula	C9H16O2
Molecular Weight	156.22 g/mol
Synonyms	tert-Butyl methacrylate; TBMA; 2-Methyl-2-propenoic acid 1,1-dimethylethyl ester; Methacrylic acid tert-butyl ester; 1,1-Dimethylethyl 2-methyl-2-propenoate; tert-Butyl 2-methylpropenoate; 2-Methylacrylic acid tert-butyl ester
EINECS	Contact for details

Quality Control

Our production of 2-Propenoic Acid,2-Methyl-,1,1-Dimethylbuthyl Ester adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including Gas Chromatography (GC) and titration to verify critical parameters such as assay, identity, and impurity profiles. Certificates of Analysis (COA) documenting full specifications are 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 away from heat sources and incompatible materials such as strong acids, bases, and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption and polymerization.

Specification

Item	Specification
Appearance	Clear, colorless liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0 %
Color (APHA)	≤ 20
Water Content (KF)	≤ 0.1 %
Inhibitor (MEHQ)	50 - 150 ppm

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