Methyl methacrylate (MMA)
| Abbreviation | MMA |
|---|---|
| Plant | Niigata |
| Main Applications | Acrylic board, molding compound, coating compounds |
| Existing Chemical Substance No. | (2)-1036 |
Properties
| Molecular Weight | 100 |
|---|---|
| Appearance | Colorless transparent liquid |
| Odor | Pungent odor |
| Refractive Index (25℃) | 1.4118～1.4125 |
| Boiling Point (℃ 760mmHg) | 101 |
| Freezing Point (℃ 760mmHg) | -48 |
| Flash Point (℃) | 11 (Tagliabue (Tag) Closed Cup) |
| Ignition Temperature (℃) | 421 |
| Flammability Limits/Range (vol%) | 2.1～12.5 |
| Vapour Pressure | 3,200Pa 24mmHg （10℃） 10,799Pa 81mmHg（40℃） |
| Viscosity (CP 25℃) | 0.569 |
| Solubility | 1.59wt% (20℃) in water |
| Stability& Reactivity |
Polymerize under sunlight and heat |
Applicable Laws
| Industrial Safety and Health Law | Hazardous material, flammable substance |
|---|---|
| High Pressure Gas | － |
| Fire Service Law | Class 4 Petroleum No.1 |
| Poisonous and Deleterious Substances Control Law | － |
| Law on the Prevention of Marine Pollution and Maritime Disaster | Hazardous fluid class D |
| Ship Safety Law | Hazardous material, inflammable liquids |
| Civil Aeronautics Law | Explosives, inflammable liquid |
| Other Major Applicable Laws | － |
Classification of Hazard
| Classification | Inflammable liquid |
|---|---|
| Hazardous | Inflammable liquid |
| Harmful | Long contact with the skin causes delipidization and drying, resulting in cracks. May cause allergic reaction or eczema on the skin or the mucous membrane of mouth, possibly with inflammation of the nails. May sensitize the air passage or the skin. |
Product Standard
| Color Number (APHA) | 5 or less |
|---|---|
| Specific Gravity (20/4℃) | 0.942～0.946 |
| Free Acid (%) | 0.005 or less |
| Purity (%) | No less than 99.8 |
| Water Content (%) | 0.05 or less |
| Polymerization Inhibitor (ppm standard) | TOPANOL5,TOPANOL10, MEHQ3 |
Inquiries Concerning Products
Green Energy & Chemicals Business Sector
C1 Chemicals Division
Organic Chemicals Department
TEL：+81-3-3283-4788 / FAX：+81-3-3214-0930