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2-Hydroxyethyl methacrylate

Abbreviation 2-HEMA
Main Applications Coating compounds, photosensitive resins, contact lens
Existing Chemical Substance No. (2)-1044


Molecular Weight 130
Appearance Colorless transparent liquid
Odor Aromatic odor
Refractive Index (25℃) 1.451
Boiling Point (℃ 760mmHg) 205
Freezing Point (℃ 760mmHg) -12
Flash Point (℃) 107 (Cleveland open-cup flash test)
Ignition Temperature (℃) No data
Flammability Limits/ Ranges (vol%) No data
Vapour Pressure No data
Viscosity (CP 25℃) 6.1
Solubility Readily soluble in water
Polymerize under sunlight and heat

Applicable Laws

Industrial Safety and Health Law Sensitizing Chemical Substances
High Pressure Gas
Fire Service Law Class 4 Petroleum No.3, soluble in water
Poisonous and Deleterious Substances Control Law
Law on the Prevention of Marine Pollution and Maritime Disaster
Ship Safety Law
Civil Aeronautics Law
Other Major Applicable Laws

Classification of Hazard

Classification Classification standard not applicable
Hazardous Inflammable liquid when heated
Harmful Irritable to the skin and the mucosa. Sensitized effect.

Product Standard

Color Number (APHA) 30 or less
Specific Gravity (20/4℃) 1.072~1.076
Free Acid (%) 1.0 or less
Purity (%) No less than 97.0
Water Content (%) 0.3 or less
Polymerization Inhibitor (ppm standard) MEHQ50

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