Di-tert-butyl peroxide
- Formula: C8H18O2
- Molecular weight: 146.2273
- IUPAC Standard InChI: InChI=1S/C8H18O2/c1-7(2,3)9-10-8(4,5)6/h1-6H3
- IUPAC Standard InChIKey: LSXWFXONGKSEMY-UHFFFAOYSA-N
- CAS Registry Number: 110-05-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Peroxide, bis(1,1-dimethylethyl); tert-Butyl peroxide; Bis(tert-butyl) peroxide; Cadox TBP; DTBP; Trigonox B; (tert-C4H9O)2; Cadox; Di-tert-butyl peroxyde; Di-tert-butylperoxid; Perossido di butile terziario; Peroxyde de butyle tertiaire; t-Butyl peroxide; Bis(1,1-dimethylethyl) peroxide; Di-t-butyl peroxide; Di-tertiary-butyl peroxide; t-butyl peroxide bis(1,1-di-methylethyl)peroxide; Peroxide, tert-butyl-; Interox DTB; Kayabutyl D; NSC 673; Perbutyl D; Peroxide, bis-tert-butyl-
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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 |
|---|---|---|---|---|---|
| ΔfH°gas | -81.45 | kcal/mol | N/A | Diogo, Minas da Piedade, et al., 1995 | Value 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 |
| ΔfH°gas | -82.0 | kcal/mol | Ccb | Islam, 1980 | ALS |
| ΔfH°gas | -81.5 | kcal/mol | Ccb | Baker, Littlefair, et al., 1965 | ALS |
Constant pressure heat capacity of gas
| Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 37.765 | 200. | Diogo H.P., 1995 | GT |
| 52.395 | 298.15 | ||
| 52.658 | 300. | ||
| 66.154 | 400. | ||
| 78.255 | 500. | ||
| 88.956 | 600. | ||
| 98.258 | 700. | ||
| 106.16 | 800. | ||
| 112.65 | 900. | ||
| 117.74 | 1000. |
References
Go To: Top, Gas phase thermochemistry data, 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]
Notes
Go To: Top, Gas phase thermochemistry data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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