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Benzoyl Peroxide

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Gas phase 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltafgas-272. ± 5.4kJ/molCcbCarson, Laye, et al., 1975 
Deltafgas-281.7 ± 6.2kJ/molCcbKiparisova and Rabinovich, 1971Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -280. ± 10. kJ/mol

Condensed phase 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltafsolid-369. ± 4.6kJ/molCcbCarson, Laye, et al., 1975 
Deltafsolid-369.4 ± 8.4kJ/molCcbKiparisova and Rabinovich, 1971Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -368. ± 8.4 kJ/mol
Deltafsolid-392.0 ± 6.3kJ/molCcbBreitenbach and Derkosch, 1951Reanalyzed by Cox and Pilcher, 1970, Original value = -391. kJ/mol
Quantity Value Units Method Reference Comment
Deltacsolid-6568.7 ± 4.6kJ/molCcbCarson, Laye, et al., 1975Corresponding «DELTA»fsolid = -369.6 kJ/mol (simple calculation by NIST; no Washburn corrections)
Deltacsolid-6568.9 ± 8.4kJ/molCcbKiparisova and Rabinovich, 1971Corresponding «DELTA»fsolid = -369. kJ/mol (simple calculation by NIST; no Washburn corrections)
Deltacsolid-6546.3 ± 6.3kJ/molCcbBreitenbach and Derkosch, 1951Reanalyzed by Cox and Pilcher, 1970, Original value = -6545.9 kJ/mol; Corresponding «DELTA»fsolid = -392.0 kJ/mol (simple calculation by NIST; no Washburn corrections)

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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Deltasub98. ± 3.kJ/molVCarson, Laye, et al., 1975ALS
Deltasub97.9 ± 2.5kJ/molMECarson, Laye, et al., 1975Based on data from 310. - 340. K.; AC

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
89.7 ± 4.2303.MEKiparisova and Rabinovich, 1971, 2Based on data from 293. - 313. K. See also Pedley and Rylance, 1977.; AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
22.59378.Fine and Gray, 1967Large uncertainty in reported value. Compound may undergo some decomposition upon melting.; AC

IR Spectrum

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References, Notes

Data compiled by: Coblentz Society, Inc.


Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW- 403
NIST MS number 228948

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Notes

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

Carson, Laye, et al., 1975
Carson, A.S.; Laye, P.G.; Morris, H., The enthalpy of formation of dibenzoyl peroxide, J. Chem. Thermodyn., 1975, 7, 993-996. [all data]

Kiparisova and Rabinovich, 1971
Kiparisova, E.G.; Rabinovich, I.B., Thermochemistry of a series of acyl peroxides, Dokl. Phys. Chem. (Engl. Transl.), 1971, 199, 675-677, In original 1075. [all data]

Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P., Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]

Breitenbach and Derkosch, 1951
Breitenbach, J.W.; Derkosch, J., Verbrennungswarmen von peroxyden und verwandten verbindungen sowie von polystrolen, Monatsh. Chem., 1951, 82, 177-179. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Kiparisova and Rabinovich, 1971, 2
Kiparisova, E.G.; Rabinovich, I.B., Dokl. Akad. Nauk SSSR, 1971, 199, 5, 1075. [all data]

Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J., , Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brighton, 1977. [all data]

Fine and Gray, 1967
Fine, D.H.; Gray, P., Explosive decomposition of solid benzoyl peroxide, Combust. Flame, 1967, 11, 71-78. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References