Diethyl 4,4'-azoxydibenzoate
- Formula: C18H18N2O5
- Molecular weight: 342.3459
- IUPAC Standard InChIKey: LOOVRYZFUGHEMF-UHFFFAOYSA-N
- CAS Registry Number: 6421-04-1
- 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: Azoxybenzene-4,4'-dicarboxylic acid biethyl ester; Benzoic acid, 4,4'-azoxybis-, diethyl ester; Benzoic acid, 4,4'-azoxydi-, diethyl ester; Diethyl azoxybenzene-4,4'-dicarboxylate; Diethyl 4,4'-azoxybenzoate; Diethyl azoxybenzoate; Diethyl p,p'-azoxybenzoate; 4,4'-Azoxybenzoic acid diethyl ester; Benzoic acid, 4,4'-(1-oxido-1,2-diazenediyl)bis-, 1,1'-diethyl ester; Benzoic acid, p,p'-azoxydi-, diethyl ester; NSC 401032; diethyl 4,4'-azoxybisbenzoate; Ethyl azoxybenzenedicarboxylate
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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: Eugene S. Domalski and Elizabeth D. Hearing
Constant pressure heat capacity of solid
Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
107.8 | 303. | Spaght, Thomas, et al., 1932 | T = 30 to 150°C. |
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: Eugene S. Domalski and Elizabeth D. Hearing
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
4.8960 | 386.9 | Spaght, Thomas, et al., 1932 | Crystal-liquid crystal transition. |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
12.6 | 386.9 | Spaght, Thomas, et al., 1932 | Crystal-liquid |
Enthalpy of phase transition
ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
1.300 | 395.7 | liquid | liquid | Spaght, Thomas, et al., 1932 |
Entropy of phase transition
ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
3.27 | 395.7 | liquid, Liquid crystal | liquid, isotropic | Spaght, Thomas, et al., 1932 |
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-8048 |
NIST MS number | 236800 |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Spaght, Thomas, et al., 1932
Spaght, M.E.; Thomas, S.B.; Parks, G.S.,
Some heat capacity data on organic compounds obtained with a radiation calorimeter,
J. Phys. Chem., 1932, 36, 882-888. [all data]
Notes
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- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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