Hydrogen peroxide

• Formula: H₂O₂
• Molecular weight: 34.0147
• IUPAC Standard InChI: InChI=1S/H2O2/c1-2/h1-2H Copy

  
• IUPAC Standard InChIKey: MHAJPDPJQMAIIY-UHFFFAOYSA-N Copy
• CAS Registry Number: 7722-84-1
• Chemical structure:
  This structure is also available as a 2d Mol file
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• Information on this page:
  • Phase change data
  • Reaction thermochemistry data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Henry's Law data
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Phase change 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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

HO₂^- +  =

By formula: HO₂^- + H⁺ = H₂O₂

 +  = ( • )

By formula: NO₃^- + H₂O₂ = (NO₃^- • H₂O₂)

 +  = ( • )

By formula: NO₂^- + H₂O₂ = (NO₂^- • H₂O₂)

 +  = ( • )

By formula: Cl^- + H₂O₂ = (Cl^- • H₂O₂)

HO₄S^- +  = (HO₄S^- • )

By formula: HO₄S^- + H₂O₂ = (HO₄S^- • H₂O₂)

References

Go To: Top, Phase change data, Reaction thermochemistry data, Notes

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

Cuthbertson, Matheson, et al., 1928
Cuthbertson, A.C.; Matheson, G.L.; Maass, O., The Freezing Point and Density of Pure Hydrogen Peroxide, J. Am. Chem. Soc., 1928, 50, 1120. [all data]

Nikitin, Pavlov, et al., 1995
Nikitin, E.D.; Pavlov, P.A.; Popov, A.P.; Nikitina, H.E., Critical properties of hydrogen peroxide determined from direct measurements, J. Chem. Thermodyn., 1995, 27, 945-52. [all data]

Maass and Hiebert, 1924
Maass, O.; Hiebert, P.G., THE PROPERTIES OF PURE HYDROGEN PEROXIDE. V. VAPOR PRESSURE, J. Am. Chem. Soc., 1924, 46, 12, 2693-2700, https://doi.org/10.1021/ja01677a012 . [all data]

Ramond, Blanksby, et al., 2002
Ramond, T.M.; Blanksby, S.J.; Kato, S.; Bierbaum, V.M.; Davico, G.E.; Schwartz, R.L.; Lineberger, W.C.; Elliso, Heat of formation of the hydroperoxyl radical HOO via negative ion studies, J. Phys. Chem. A, 2002, 106, 42, 9641-9647, https://doi.org/10.1021/jp014614h . [all data]

Bierbaum, Schmidt, et al., 1981
Bierbaum, V.M.; Schmidt, R.J.; DePuy, C.H.; Mead, R.H.; Schulz, P.A.; Lineberger, W.C., Reactions of carbanions with triplet and singlet molecular oxygen, J. Am. Chem. Soc., 1981, 103, 6262. [all data]

Bohringer, Fahey, et al., 1984
Bohringer, H.; Fahey, D.W.; Fehsenfeld, F.C.; Ferguson, E.E., Bond energies of the molecules H₂O, SO₂, H₂O₂, and HCl to various atmospheric negative ions, J. Chem. Phys., 1984, 81, 2805. [all data]

Keesee, Lee, et al., 1980
Keesee, R.G.; Lee, N.; Castleman, A.W., Jr., Properties of clusters in the gas phase: V. Complexes of neutral molecules onto negative ions, J. Chem. Phys., 1980, 73, 2195. [all data]

Notes

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• Symbols used in this document:
  

  Pc	Critical pressure
  Tc	Critical temperature
  Tfus	Fusion (melting) point
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔvapH	Enthalpy of vaporization

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