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, HQ100 |
Inquiries
Natural Gas Chemicals Company
Organic Chemicals Division
TEL: +81-3-3283-4747
FAX: +81-3-3287-0837
Inquiries Form