What is a methyl methacrylate monomer (MMA CAS 80-62-6)?

methyl methacrylate monomer (MMA CAS 80-62-6)

Methyl methacrylate (MMA) contains both a methyl group and an acrylic acid group in its molecule, with the structural formula CH₂=C(CH₃)COOCH₃. The CH₂=C(CH₃)CO moiety represents the acrylic acid group, while CH₃O denotes the methyl group. Therefore, the MMA molecule contains an acrylic acid group that can participate in the radical polymerization reaction of acrylic monomers, and is thus classified as an acrylic monomer.

Physical Properties of methyl methacrylate monomer

• Appearance: Colorless liquid, volatile, with a strong pungent odor
• Density: Approximately 0.943 g/cm³
• Melting point: -48°C
• Boiling point: 100–101°C
• Refractive index: Approximately 1.442
• Autoignition temperature: 421°C
• Solubility: Sparingly soluble in water, but readily soluble in ethanol and most organic solvents

Methyl Methacrylate (MMA) Uses

Methyl Methacrylate (MMA) is a crucial acrylic monomer characterized by strong polymerization reactivity and exceptional optical properties. It finds extensive applications in the production of polymers, polymer packaging materials, high-transparency materials, optical lenses, industrial coatings, and resins, making it a fundamental and vital chemical.

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