
In chemistry, disulfate or pyrosulfate is the anion with the molecular formula [S2O7]2−. Disulfate is the IUPAC name. It has a dichromate-like structure and can be visualised as two corner-sharing SO4 tetrahedra, with a bridging oxygen atom. In this compound, sulfur has an oxidation state of +6. Disulfate is the conjugate base of the hydrogen di...
Found on
http://en.wikipedia.org/wiki/Pyrosulfate

a salt of pyrosulfuric acid.
Found on
https://www.infoplease.com/dictionary/pyrosulfate
No exact match found.