英文别名:
TETRASODIUM ETHYLENE 1,1-DIPHOSPHONATE;Tetrasodium ethenylidenebis(phosphonate);Tetrasodium vinylidenediphosphonate;sodium ethene-1,1-diylbis(phosphonate);Vinylidene bisphosphonic ac-id, tetra sodium salt, tech.
~10% residual water;ioxido-oxo-(1-phosphonatoethenyl)-λsup5sup-phosphane