Name | Methyl methacrylate |
Synonyms | MMA METHYL METACRYLATE Methyl methacrylate Methyl Methyl Acrylate Methacrylic acid methyl ester 2-Methylacrylic acid methyl ester |
CAS | 80-62-6 |
EINECS | 201-297-1 |
InChI | InChI=1/C5H8O2/c1-4(2)5(6)7-3/h1H2,2-3H3 |
Molecular Formula | C5H8O2 |
Molar Mass | 100.12 |
Density | 0.943 |
Melting Point | -48℃ |
Boling Point | 100℃ |
Flash Point | 8℃ |
Water Solubility | 15.9 g/L (20℃) |
Refractive Index | 1.413 |
Physical and Chemical Properties | Characteristics of colorless liquid, volatile. melting point -48 ℃ boiling point 100~101 ℃ relative density 0.9440 refractive index 1.4142 flash point 10 ℃ solubility, ether, acetone and other organic solvents. Slightly soluble in ethylene glycol and water. |
Use | It is mainly used as a monomer of organic glass, and is also used to make other plastics, coatings, etc. |
Hazard Symbols | F - Flammable Xi - Irritant |
Risk Codes | R11 - Highly Flammable R37/38 - Irritating to respiratory system and skin. R43 - May cause sensitization by skin contact |
Safety Description | S24 - Avoid contact with skin. S37 - Wear suitable gloves. S46 - If swallowed, seek medical advice immediately and show this container or label. |
UN IDs | UN 1247 |
Raw Materials | Acetone cyanohydrin Methyl alcohol Methyl alcohol Sulfuric acid Sulfuric acid Sodium cyanide Sodium cyanide |
colorless liquid, volatile, flammable. The relative density was 0.9440. Melting Point -48 °c. Boiling point 100~101 deg C. Flash point (Open Cup) 10 °c. Refractive index 4142. Vapor pressure (25.5 C) 5.33kPa. Soluble in ethanol, ether, acetone and other organic solvents. Slightly soluble in ethylene glycol and water. Polymerization is facilitated in the presence of light, heat, ionizing radiation and catalysts.
The monomer of organic glass is also used in the manufacture of other resins, plastics, coatings, adhesives, lubricants, Wood wetting agents, motor coil penetration agents, paper glazing agents, printing and dyeing aids and insulation infusion materials.