What Is Methyl Methacrylate (CAS 80-62-6) and What Is It Used For?

Methyl Methacrylate (MMA), with CAS 80-62-6, is a widely used organic compound in the chemical and manufacturing industries. Known for its excellent transparency, durability, and weather resistance, MMA is a key raw material in producing high-performance plastics and coatings.
 

What Is Methyl Methacrylate (CAS 80-62-6)?

Methyl Methacrylate (MMA, CAS 80-62-6) is a colorless, volatile, and flammable liquid with a sharp, fruity odor, predominantly used to produce poly(methyl methacrylate) (PMMA) acrylic plastics and resins. It serves as a raw material for coatings, adhesives, dental cements, and orthopedic bone cements.

• Synonyms include: methyl 2-methylprop-2-enoate and methacrylic acid methyl ester.

What are the properties of Methyl methacrylate?

The main chemical properties of methyl methacrylate (MMA) include:

1. Its molecular formula is C5H8O2. The double bonds between the carbon atoms in its methacrylate groups give it high reactivity, making it suitable for polymerization reactions.
2. At room temperature, MMA is a colorless, transparent liquid with a characteristic, strong fruity aroma.
3. It has a boiling point of 100–101 °C and a freezing point of approximately -48 °C, indicating its volatility; therefore, it requires extra care during storage and handling.
4. It is soluble in most organic solvents, such as ethanol, acetone, and benzene, but slightly soluble in water.
5. The high reactivity of the double bonds in the methacrylate groups makes MMA a monomer that readily forms polymers and copolymers.
6. It has moderate thermal stability.
7. MMA is considered a volatile organic compound (VOC) with potential health risks; therefore, appropriate safety measures must be taken during handling and use. MMA vapor can irritate the eyes, skin, and respiratory system.

What is MMA CAS 80-62-6 used for?

Methyl methacrylate (MMA) has a wide range of applications in various industries due to its versatility and excellent properties.

1. Acrylic Plastics (PMMA Production)

The most important use of MMA is in the production of PMMA (acrylic plastics).

PMMA applications include: transparent sheets (glass alternatives), signage and displays, automotive light covers, and medical devices.

2. Coatings and Paints

MMA is widely used in coatings and paints to improve adhesion, weather resistance, gloss, and durability. It is widely used in industrial coatings, marine coatings, road marking paints, etc.

3. Adhesives and Sealants

MMA-based adhesives are characterized by strong bond strength, rapid curing, chemical resistance, and impact resistance. Methyl methacrylate-based adhesives are widely used in: construction, automotive assembly, and electronics manufacturing.

4. Resin and Plastics Manufacturing

Methyl methacrylate (MMA) is a key component in the production of specialty resins used in PVC modifiers, impact-resistant plastics, etc.

5. Textile and Leather Processing

In the textile industry, MMA (CAS 80-62-6) is used to improve fabric finishing, enhancing fabric durability and water resistance.

6. Medical and Dental Applications

Methyl methacrylate (MMA) derivatives can be used in bone cement, dental prostheses, orthopedic implants, etc. Their good biocompatibility and stability make them suitable for medical applications.

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