diacetyl peroxide
- Formula: C4H6O4
- Molecular weight: 118.0880
- IUPAC Standard InChI: InChI=1S/C4H6O4/c1-3(5)7-8-4(2)6/h1-2H3
- IUPAC Standard InChIKey: ZQMIGQNCOMNODD-UHFFFAOYSA-N
- CAS Registry Number: 110-22-5
- Chemical structure:
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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: Glushko Thermocenter, Russian Academy of Sciences, Moscow
Constant pressure heat capacity of gas
| Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 13.13 | 50. | Dorofeeva O.V., 1997 | p=1 bar. |
| 18.46 | 100. | ||
| 22.27 | 150. | ||
| 25.801 | 200. | ||
| 32. ± 1. | 298.15 | ||
| 32.612 | 300. | ||
| 38.967 | 400. | ||
| 44.541 | 500. | ||
| 49.257 | 600. | ||
| 53.217 | 700. | ||
| 56.554 | 800. | ||
| 59.376 | 900. | ||
| 61.776 | 1000. | ||
| 63.822 | 1100. | ||
| 65.574 | 1200. | ||
| 67.075 | 1300. | ||
| 68.368 | 1400. | ||
| 69.484 | 1500. |
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 |
|---|---|---|---|---|---|
| ΔfH°liquid | -127.9 ± 2.4 | kcal/mol | Ccb | Jaffe, Prosen, et al., 1957 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -453.3 ± 2.2 | kcal/mol | Ccb | Jaffe, Prosen, et al., 1957 | Corresponding ΔfHºliquid = -127.9 kcal/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 by: Robert L. Brown and Stephen E. Stein
Reduced pressure boiling point
| Tboil (K) | Pressure (atm) | Reference |
|---|---|---|
| 336.2 | 0.028 | Weast and Grasselli, 1989 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Dorofeeva O.V., 1997
Dorofeeva O.V.,
Unpublished results. Thermocenter of Russian Academy of Science, Moscow, 1997. [all data]
Jaffe, Prosen, et al., 1957
Jaffe, L.; Prosen, E.J.; Szwarc, M.,
Heats of combustion of some peroxides and the heats of formation of acetate, propionate, and butyrate radicals,
J. Chem. Phys., 1957, 27, 416-420. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas Tboil Boiling point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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