Product Description of Methyl methacrylate CAS#80-62-6
Methyl methacrylate (C₅H₈O₂), alternatively named MMA or 2-methylpropenoic acid methyl ester, is a high-activity acrylic monomer that promotes polymerization and improves product hardness, transparency and durability. Beyond PMMA resin synthesis, it is also extensively applied in coatings, adhesives, optical materials and industrial additive production.
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Chemical Properties of Methyl methacrylate CAS#80-62-6
| Melting point | -48 °C (lit.) |
| Boiling point | 100~101 °C (lit.) |
| Density | 0.936 g/mL at 25 °C (lit.) |
| vapor density | 3.5 (vs air) |
| vapor pressure | 29 mm Hg (20 °C) |
| refractive index | n₂₀/D 1.414 (lit.) |
| Fp | 50 °F (10 °C, closed cup) |
| storage temp. | 2-8 °C, stored in cool, ventilated place away from heat and light |
| solubility | Miscible with ethanol, ether, acetone and most organic solvents |
| Physical Form | Liquid |
| Color | Colorless, clear |
| Odor | Acrid, fruity characteristic odor |
| Odor Threshold | 0.05~0.21 ppm |
| explosive limit | 2.1% ~ 12.5% (V/V) |
| Water Solubility | 15.9 g/L (20 °C) |
| Thermal Conductivity | 0.147 W/(m·K) at 25 °C |
| Specific Heat Capacity | 191.2 J/(kg·K) at 25 °C |
| Merck | 14, 5941 |
| BRN | 605459 |
| Henry's Law Constant | 2.46×10⁻⁴ atm·m³/mol at 20 °C |
| Exposure limits | ACGIH TLV-TWA 50 ppm (205 mg/m³); OSHA PEL-TWA 100 ppm (410 mg/m³) |
| Dielectric constant | 2.9 (20 °C) |
| Cosmetics Ingredients Functions | Opacifying, Thickener |
| Surface tension | 28.9 mN/m at 25 °C |
| CAS DataBase Reference | 80-62-6 |
Safety Information of Methyl methacrylate CAS#80-62-6
| Hazard Codes | F,Xi,T |
| Risk Statements | 11-37/38-43-39/23/24/25-23/24/25 |
| Safety Statements | 24-37-46-45-36/37-16-7 |
| OEB | A |
| OEL | TWA: 100 ppm (410 mg/m3) |
| RIDADR | UN 1247 (METHYL METHACRYLATE MONOMER, STABILIZED) |
| WGK Germany | 1 |
| RTECS | OZ5075000 |
| Autoignition Temperature | 815 °F |
| TSCA | TSCA listed |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29161410 |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Flam. Liq. 2 Skin Irrit. 2 Skin Sens. 1 STOT SE 3 |
| Hazardous Substances Data | 80-62-6(Hazardous Substances Data) |
| Toxicity | The acute toxicity of methyl methacrylate is low. Irritation of the skin, eye, and nasal cavity has been observed in rodents and rabbits exposed to relatively high concentrations of methyl methacrylate. The chemical is a mild skin sensitizer in animals. The effect observed most frequently at lowest concentration after repeated inhalation exposure to methyl methacrylate is irritation of the nasal cavity. Effects on the kidney and liver at higher concentrations have also been reported. |
| IDLH | 1,000 ppm |
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Product Application of Methyl methacrylate CAS#80-62-6
m-Xylene is primarily used for the synthesis of isophthalic acid, which is widely used in high-performance polyester resins, PET modified materials, coatings and adhesives. It is also extensively applied as a high-grade solvent for industrial paints, printing inks, rubber, pharmaceuticals, pesticide intermediates and fine chemical industries
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