Di-tert-butyl 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 as indicated in comments:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Δfgas-81.45kcal/molN/ADiogo, Minas da Piedade, et al., 1995Value computed using ΔfHliquid° value of -380.8±2.0 kj/mol from Diogo, Minas da Piedade, et al., 1995 and ΔvapH° value of 40.0 kj/mol from Baker, Littlefair, et al., 1965.; DRB
Δfgas-82.0kcal/molCcbIslam, 1980ALS
Δfgas-81.5kcal/molCcbBaker, Littlefair, et al., 1965ALS

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
37.765200.Diogo H.P., 1995GT
52.395298.15
52.658300.
66.154400.
78.255500.
88.956600.
98.258700.
106.16800.
112.65900.
117.741000.

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:
BS - Robert L. Brown and Stephen E. Stein
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Tboil382.7KN/AAldrich Chemical Company Inc., 1990BS
Quantity Value Units Method Reference Comment
Δvap9.5 ± 0.7kcal/molAVGN/AAverage of 9 values; Individual data points

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
8.84333.N/ADiogo H.P., 1995Based on data from 308. to 358. K.; AC
7.65261.AStephenson and Malanowski, 1987Based on data from 246. to 311. K. See also Indritz, Stone, et al., 1978.; AC
7.41288.AStephenson and Malanowski, 1987Based on data from 273. to 384. K. See also Egerton, Emte, et al., 1951.; AC
7.420253.VEgerton, Emte, et al., 1951ALS

Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Phase change data, References, Notes

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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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 NIST Mass Spectrometry Data Center, 1990.
NIST MS number 119048

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References

Go To: Top, Gas phase thermochemistry data, Phase change data, 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.

Diogo, Minas da Piedade, et al., 1995
Diogo, H.P.; Minas da Piedade, M.E.; Simoes, J.A.M.; Nagano, Y., Standard enthalpy of formation and enthalpy of vaporization of di-1,1-dimethylethyl perioxide. Re-evaluation of the standard enthalpy of formation of the di-1,1-dimethylethoxy radical, J. Chem. Thermodyn., 1995, 27, 597-604. [all data]

Baker, Littlefair, et al., 1965
Baker, G.; Littlefair, J.H.; Shaw, R.; Thynne, J.C.J., 1286. The heats of formation of dimethyl, diethyl, and di-t-butyl peroxide, J. Chem. Soc., 1965, 6970-6972. [all data]

Islam, 1980
Islam, T.S.A., Heats of combustion of di-tert-butyl and di-tert-amyl peroxides and their RO-OR bond dissociation energies, Dacca Univ. Stud., Part B, 1980, 28, 1-4. [all data]

Diogo H.P., 1995
Diogo H.P., Standard enthalpy of formation and enthalpy of vaporization of di-1,1-dimethyl peroxide. Reevaluation of the standard enthalpy of formation of the di-1,1-dimethylethoxy radical, J. Chem. Thermodyn., 1995, 27, 597-604. [all data]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Indritz, Stone, et al., 1978
Indritz, Doren; Stone, Jack; Williams, Frederick, Vapor pressure of di-tert-butyl peroxide, J. Chem. Eng. Data, 1978, 23, 1, 6-7, https://doi.org/10.1021/je60076a002 . [all data]

Egerton, Emte, et al., 1951
Egerton, A.C.; Emte, W.; Minkoff, G.J., Some properties of organic peroxides, Faraday Discuss. Chem. Soc., 1951, 10, 278. [all data]


Notes

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