Synonyms: Phosphonic acid,1,2-ethanediylbis-, tetraethyl ester (9CI);1,2-Bis(diethylphosphonyl)ethane;Phosphonic acid, ethylenedi-,tetraethyl ester (6CI,7CI,8CI);1,2-Bis(diethoxyphosphinyl)ethane;1,2-Ethylenediphosphonic acid tetraethylester;Ethane-1,2-diphosphonic acid tetraethyl ester;Tetraethylethylenebis(phosphonate);Tetraethyl ethylenediphosphonate;