Overview
N-Methylmethacrylamide (NMMA) is an organic compound belonging to the methacrylamide family, characterized by its reactive amide group and polymerizable double bond. It is primarily used as a monomer in the production of specialty polymers and coatings. NMMA is valued in industrial applications for its ability to enhance polymer properties such as adhesion, flexibility, and thermal stability. Its synthesis typically involves the reaction of methacrylic acid derivatives with methylamine.
Physical and Chemical Properties
NMMA appears as a white to off-white crystalline powder with a molecular weight of 99.13 g/mol. It has a melting point of 75-78°C and is soluble in water and common organic solvents like ethanol and acetone. Key chemical properties include its reactive amide group, which participates in condensation reactions, and the methacryloyl group, which enables polymerization. These features make NMMA a versatile intermediate in chemical synthesis.
Main Applications
NMMA is widely used in the production of acrylic polymers and copolymers, which find applications in adhesives, coatings, and inks. Its incorporation into polymer chains improves properties like durability and chemical resistance. In the electronics industry, NMMA-derived polymers are used in photoresists and insulating materials. Additionally, it serves as a crosslinking agent in hydrogels for medical and cosmetic applications.
Safety and Storage
NMMA may cause skin and eye irritation upon contact, and inhalation of dust should be avoided. Proper personal protective equipment (PPE), including gloves and goggles, is recommended during handling. Storage conditions require a cool, dry environment away from direct sunlight and moisture. Sealed containers are essential to prevent degradation and maintain product integrity over time.
B2B Procurement Guide
When procuring NMMA, prioritize suppliers with certifications such as ISO or REACH compliance. Key specifications to verify include purity (typically ≥98%), moisture content, and packaging integrity. Bulk purchases may offer cost advantages, but ensure proper storage capacity. Request safety data sheets (SDS) and technical support for application-specific queries. Pricing varies based on quantity and supplier location.
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