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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

Contact

Natural Gas Chemicals Company
Organic Chemical Division

TEL:+81-3-3283-4788
FAX:+81-3-3214-0930

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