High purity monomer for contact lens applications.
High purity carboxylated monomers increase the hydrophilicity in polymers and provide crosslinking sites for divalent ions (e.g. Zn++).
Polysciences, Inc. offers both methacrylic acid in high purity (99.9%) and a longer chain analog, Beta-Carboxyethyl acrylate, (99%)
Physical Property Profile of Methacrylic Acid
Purity (%): 99.9
Moisture (%): 0.05