The molecule is a trivalent inorganic anion obtained by removal of all three protons from cyclotriphosphoric acid.; major species at pH 7.3. It is a triphosphate ion and a trivalent inorganic anion. It is a conjugate base of a cyclotriphosphoric acid.
2,4,6-trioxido-1,3,5,2lambda5,4lambda5,6lambda5-trioxatriphosphinane 2,4,6-trioxide