Known for its excellent transparency and weatherability, as well as its easy recyclability, this acrylic resin has attracted a great deal of attention for environmental considerations. In addition to its use as a material in its own right, MMA monomer is also an important constituent of various compound chemical products.
Characteristics
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| Chemical name | Methyl Methacrylate |
|---|---|
| Chemical formula |  |
Quality Standards and Reference Values
| Standard | Reference value | |
|---|---|---|
| Number of colors (APHA) | 5 or less | 5 or less |
| Specific gravity (20°C/4°C) | 0.942 to 0.946 | 0.944 |
| Free acids (methacrylic acid) % | 0.005 or less | 0.001 |
| Monomer (GC method) % | 99.8 or more | 99.9 |
| Moisture content (KF method) % | 0.05 or less | 0.01 |
| Polymerization inhibitor ppm | IA10 | |
General Properties
| Molecular weight | 100.12 | |
|---|---|---|
| Refractive index (nD20) | 1.4152 | |
| Viscosity (20°C) mPa・s | 0.56 | |
| Solidification point °C | -48 | |
| Specific heat J/(g・°C) | 1.89 | |
| Polymerization heat kJ/mol | 54.4 | |
| Boiling point/Vapor pressure °C/hPa | 100.8/1013 | |
| Solubility (20°C) | Percentage into water monomers | 0.99 |
| Percentage of monomers into water | 1.72 | |
| Flash point °C | 11 | |
| Toxicity (acute oral LD50) mg/kg in rats | 7,900 | |
| Polymer Tg °C | 105 | |
Regulations
| Dangerous Substance Classification [Fire Service Act] | Class 4, Type 1 Petroleum (non-water-soluble) |
|---|---|
| Official Chemical Substance Control Number [Chemical Substance Control Law] | (2) -1036 |
| CAS No. | 80-62-6 |
| USA TSCA | Listed |
| EU EINECS No. | 201-297-1 |
| Korea ECL No. | KE-25050 |
| China IECSC | Listed |
| Taiwan ECN | Listed |
Applications
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- Manufacturing of plates, rods, and pipe
- Molding material
- Paint
- Dental material
- Adhesive
- Fiber processing agent
- Leather treatment
- Other
Inquiries Concerning Products
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