H2PO4 anion

• Formula: H₂O₄P^-
• Molecular weight: 96.9878
• Information on this page:
  • Reaction thermochemistry data
  • References
  • Notes
• Other data available:
  • Gas phase ion energetics data
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Reaction thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: John E. Bartmess

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Individual Reactions

H₂O₄P^- +  =

By formula: H₂O₄P^- + H⁺ = H₃O₄P

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Morris, Knighton, et al., 1997
Morris, R.A.; Knighton, W.B.; Viggiano, A.A.; Hoffman, B.C.; Schaeffer III, H.F., The Gas-phase Acidity of H3PO4, J. Chem. Phys., 1997, 106, 9, 3545, https://doi.org/10.1063/1.473465 . [all data]

Notes

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• Symbols used in this document:
  

  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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