Citation: Kosterina, E. V.; Troyanov, S. I.; Aslanov, L. A.; Kemnitz, E. (2001). Superacid Univalent Metal Phosphites (MH2PO3)2 · H3PO3 (M = Rb, Tl(I)) and MH2PO3 · H3PO3 (M = K, Cs): Synthesis and Structure. Russian Journal of Coordination Chemistry, 27, pp. 527-536.
Formula: H5 K O6 P2
Chemical name:Potassium phosphite phosphonic acid solvate