Methacrylic acid
| Abbreviation | MAA |
|---|---|
| Plant | Niigata |
| Main Applications | Coating compounds, adhesive agent, adhesive modifier |
| Existing Chemical Substance No. | (2)-1025 |
Properties
| Molecular Weight | 86 |
|---|---|
| Appearance | Colorless transparent liquid |
| Odor | Pungent odor |
| Refractive Index (25℃) | 1.4288 |
| Boiling Point (℃ 760mmHg) | 161.00 |
| Freezing Point (℃ 760mmHg) | 15 |
| Flash Point (℃) | 73 (Tagliabue (Tag) Closed Cup) |
| Ignition Temperature (℃) | － |
| Flammability Limits/Range (vol%) | 1.6～8.8 |
| Vapour Pressure | 133.3Pa 1mmHg（25.5℃） 1,333Pa 10mmHg（60.6℃） |
| Viscosity (CP 25℃) | 1.34 |
| Solubility | Readily soluble in water |
| Stability& Reactivity |
Polymerized with sunlight and heat. Repetitive freezing and melting processes may cause polymerization. |
Applicable Laws
| Industrial Safety and Health Law | － |
|---|---|
| High Pressure Gas | － |
| Fire Service Law | Class 4 Petroleum No.3 water soluble |
| Poisonous and Deleterious Substances Control Law | Deleterious substance |
| Law on the Prevention of Marine Pollution and Maritime Disaster | Hazardous fluid class D |
| Ship Safety Law | Hazardous material, corrosive substance |
| Civil Aeronautics Law | Explosive, corrosive substance |
| Other Major Applicable Laws | － |
Classification of Hazard
| Classification | Corrosive substance, acutely toxici substances |
|---|---|
| Hazardous | Inflammable liquid when heated |
| Harmful | Direct contact with the eye and the skin might cause blindness or cutaneous lesion. |
Product Standard
| Color Number (APHA) | 30 or less |
|---|---|
| Specific Gravity (20/4℃) | 1.012～1.016 |
| Free Acid (%) | － |
| Purity (%) | No less than 98.0 |
| Water Content (%) | 0.3 or less |
| Polymerization Inhibitor (ppm standard) | MEHQ250 |
Inquiries Concerning Products
Green Energy & Chemicals Business Sector
C1 Chemicals Division
Organic Chemicals Department
TEL：+81-3-3283-4788 / FAX：+81-3-3214-0930