Description

2-Methyl-2-Propenoic Acid CAS NO 79-41-4 is a high-purity, versatile methacrylic acid monomer essential for advanced polymer synthesis. It serves as a critical building block for producing materials with exceptional clarity, weather resistance, and durability. This product is vital for manufacturers in the coatings, adhesives, plastics, and specialty chemical industries seeking reliable raw materials for high-performance applications.

Application

• Acrylic Polymer Production: Primary monomer for manufacturing polymethyl methacrylate (PMMA) sheets, resins, and molding powders.
• Coatings & Paints: Key ingredient in high-gloss, weather-resistant industrial, automotive, and architectural coatings.
• Adhesives & Sealants: Used to formulate strong, durable acrylic-based pressure-sensitive and structural adhesives.
• Textile & Leather Treatment: Employed in finishes and binders to enhance fabric durability and water repellency.
• Printing Inks: Component of resins for inks requiring fast curing and excellent adhesion to various substrates.
• Dental & Medical Materials: Used in the synthesis of biocompatible polymers for dental prosthetics and bone cements.
• Chemical Intermediate: Serves as a precursor for esters (e.g., methyl methacrylate) and other specialty methacrylate derivatives.

Basic Information

Product Name	2-Methyl-2-Propenoic Acid
CAS No.	79-41-4
Molecular Formula	C4H6O2
Molecular Weight	86.09 g/mol
Synonyms	Methacrylic Acid; 2-Methylacrylic Acid; α-Methacrylic Acid; MAA; 2-Methylenepropionic Acid; Methylenepropanoic Acid; Isopropenylcarboxylic Acid; NSC 24159
EINECS	201-204-4

Quality Control

Our 2-Methyl-2-Propenoic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, color, and stability. Certificates of Analysis (COA) documenting key parameters such as assay, water content, and inhibitor levels are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Recommended storage temperature is between 15°C and 25°C. Keep away from strong oxidizers, bases, and amines.

Specification

Item	Specification
Appearance	Clear, colorless liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0 %
Water Content (KF)	≤ 0.5 %
Color (APHA)	≤ 15
Inhibitor (MEHQ)	200 - 250 ppm

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