What is the melting point of methyl methacrylate (CAS 80-62-6)?

Methyl Methacrylate Melting Point:-60°C

Methyl Methacrylate (MMA CAS 80-62-6) has a density of approximately 0.94 g/mL, a boiling point of 101–103°C, a melting point of -60°C, and a refractive index of 1.406.

Physical Properties of Methyl Methacrylate

• 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) Applications

• Acrylic Monomer: Methyl Methacrylate (MMA) serves as the primary raw material for manufacturing acrylic glass (such as polymethyl methacrylate, PMMA). Acrylic glass offers advantages including high transparency, lightweight properties, and excellent processability, making it widely used in construction, automotive, electronics, optics, and other fields.
• Manufacturing Other Resins and Plastics: Methyl Methacrylate (MMA) can be used to produce other types of resins and plastics, such as acrylic resins and acrylic copolymers. These materials find extensive applications in coatings, adhesives, lubricants, impregnating agents for wood and cork, and paper glazing agents.
• Paints and Adhesives: MMA Monomer Liquid can be directly used to manufacture paints and adhesives, which exhibit excellent adhesion and weather resistance.
• Other Applications: MMA is also used to produce motor coil impregnants, ion exchange resins, textile printing and dyeing auxiliaries, leather treatment agents, and insulating potting compounds. Additionally, it serves as a raw material for copolymerizing methyl methacrylate-butadiene-styrene (MBS), which functions as a modifier for PVC.

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