Methacrylic Acid

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Methacrylic Acid, also known as MAA, Acrylic Acid, or 2-Propenoic acid, 2-methyl- is an organic compound with the formula C4H602. It's clear, colorless, volatile liquid with a characteristic odor. Methacrylic Acid is slightly soluble in warm water and miscible with most organic solvents. Undiluted or glacial methacrylic acid [MAA] is produced for use a building block to make a wide range of polymer-based products like binders in paints and coatings but also water-soluble polymers, as an interlevant in glass and, as an intermediate for the manufacture of methacrylic acid esters.

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Typical Properties

Flash Point:

Initial Boiling Point:

Melting Point/Freezing Point:

Partition Coefficient (n/octanol/water):

Dynamic Viscosity:

Vapor Pressure:

Vapor Density (air=1):


Specific Gravity(H2O=1):

Solubility (water):

67°C (152.6 °F) 1.013 hPa

163°C (325.4°F) 1.013 hPa

16°C (61°F)


1.38 mPa.s (20°C/68°F)

0.97 hPa (20°C/68°F)


1.01 g/cm3 (20°C/68°F)


98 g/l (20°C/68°F)

*Typical Properties are for reference purposes only. Actual results may vary.

Methacrylic Acid TDS