| Producut |
Methacrylic acid |
| Abbreviation |
MAA |
| 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 |
| Specific Gravity (liquid 25℃/4℃) |
|
| Boiling Point (℃ 760mmHg) |
161.00 |
| Freezing Point (℃ 760mmHg) |
15 |
| Flash Point |
73 (℃ Tagliabue (Tag) Closed Cup) |
| Ignition Temperature (℃) |
- |
| Flammability Limits (vol%) |
1.6~8.8 |
| Vapour Pressure (mmHg 25℃) |
133.3Pa 1mHg(25.5℃)
1333Pa 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. |
| 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 (wt% HBA equivalent) |
- |
| Purity (wt%) |
No less than 98.0 |
| Water Content (wt%) |
0.3 or less |
| Polymerization Inhibitor (ppm standard) |
MEHQ250，HQ100 |