Methyl Acrylate

Cas Number


Other Names

Methyl acrylate

Methyl propenoate


Curithane 103

The formula



Methyl acrylate is an organic compound, more accurately the methyl ester of acrylic acid. It is a colourless liquid with a characteristic acrid odor. It is mainly produced to make acrylate fiber, which is used to weave synthetic carpets. It is also a reagent in the synthesis of various pharmaceutical intermediates.

Physical and Chemical Properties
Physical state and appearance Liquid.
Odor Acrid
Molecular Weight 86.09 g/mole
Color Colorless
Boiling Point 80.5°C (176.9°F)
Critical Temperature 263°C (505.4°F)
Melting Point -76.5°C (-105.7°F)
Specific Gravity 0.9561 (Water = 1)
Vapor Density 2.97 (Air = 1)
Odor Threshold 20 ppm
Dispersion Properties Partially dispersed in methanol, diethyl ether, n-octanol. Very slightly dispersed in cold water, hot water. See solubility in methanol, diethyl ether, n-octanol, acetone.
Solubility Partially soluble in methanol, diethyl ether, n-octanol, acetone. Very slightly soluble in cold water, hot water
Purity, wt % 99.5 min.
Water wt % 0.05 max
Acidity (as aa), wt ppm 50 max
Inhibitor (mehq), wt ppm 90 ~ 110

1. The principal application, consuming approximately 80% of the MMA, is the manufacture of polymethyl methacrylate acrylic plastics (PMMA)

2. Methyl methacrylate is also used for the production of the co-polymer methyl methacrylate-butadiene-styrene (MBS), used as a modifier for PVC