(Carboxymethyl)(2-(methacryloyloxy)ethyl)dimethylammonium chloride, sodium salt 66822-59-1 EINECS 266-488-4 Ethanaminium, N-(carboxymethyl)-N,N-dimethyl-2-((2-methyl-1-oxo-2-propenyl)oxy)-, chloride, sodium salt