Methacrylic acid

Producut Methacrylic acid
Abbreviation MAA
Main Applications Coating compounds, adhesive agent, adhesive modifier
Existing Chemical Substance No. (2)-1025
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