2-Propenoic acid, 2-methyl-, homopolymer, sodium salt 2-Propenoic acid, 2-methyl-, sodium salt, homopolymer 25086-62-8 Sodium 2-methyl-2-propenoate, homopolymer Sodium methacrylate homopolymer Sodium methacrylate polymer Sodium polymethacrylate