Pyrophosphoric Acid

Molecule SVG Image

Properties Simple | Detailed

Formula H4O7P2
IUPAC Name phosphono dihydrogen phosphate
Molecular Mass 177.975 g·mol−1
Heat of Formation -1934.1 ± 16.7 kJ·mol−1
Dipole Moment 1.55 ± 1.08 D
Volume 150.7 Å 3
Surface Area 157.94 Å 2
HOMO Energy -10.01 ± 0.55 eV
LUMO Energy -1.38 ± eV
Point Group Symmetry C1
Synonyms
  • 1,5-dihydrido-2,4-dihydroxido-2,4-dioxido-1,3,5-trioxy-2,4-diphosphy-[5]catena
  • 7722-88-5 (tetrasodium salt)
  • [(ho)2p(o)op(o)(oh)2]
  • acide diphosphorique
  • diphosphoric acid
  • diphosphorsaeure
  • dpo
  • h4p2o7
  • mu-oxido-bis(dihydroxidooxidophosphorus)
  • oxy-1,1-diphosphonic acid
  • p00025
  • phosphonooxyphosphonic acid
  • pop
  • pp
  • ppv
  • pyrophosphate
  • pyrophosphorsaeure
CAS Number(s)
  • 33943-49-6
  • 2466-09-3
InChIKey XPPKVPWEQAFLFU-UHFFFAOYSA-N
QR Code Generate QR Code
DOI
Downloads Get JSON data Get MOL2 data Get SVG Image
Elements P O H