1,4-Benzenediamine
- Formula: C6H8N2
- Molecular weight: 108.1411
- IUPAC Standard InChI: InChI=1S/C6H8N2/c7-5-1-2-6(8)4-3-5/h1-4H,7-8H2
- IUPAC Standard InChIKey: CBCKQZAAMUWICA-UHFFFAOYSA-N
- CAS Registry Number: 106-50-3
- 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: p-Aminoaniline; p-Benzenediamine; p-Diaminobenzene; p-Phenylenediamine; Benzofur D; BASF Ursol D; C.I. Developer 13; C.I. Oxidation Base 10; C.I. 76060; Developer PF; Durafur Black R; Fouramine D; Fourrine D; Fourrine 1; Fur Black 41867; Fur Brown 41866; Fur Yellow; Furro D; Futramine D; Nako H; Orsin; Pelagol D; Pelagol DR; Pelagol Grey D; Peltol D; Renal PF; Santoflex LC; Tertral D; Ursol D; Zoba Black D; 1,4-Diaminobenzene; 1,4-Phenylenediamine; 4-Aminoaniline; Developer 13; Fenylenodwuamina; Oxidation base 10; Phenylenediamine, para; PARA; PPD; Santoflex IC; USAF EK-394; p-Fenylendiamin; Paraphenylen-diamine; Rodol D; UN 1673; Vulkanox 4020; Aminogen II; NSC 4777
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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | 1.5 | kcal/mol | Ccb | Kunyavskaya, Karyakin, et al., 1973 | see Karyakin, Rabinovich, et al., 1978; ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -839.1 ± 0.6 | kcal/mol | Ccb | Kunyavskaya, Karyakin, et al., 1973 | see Karyakin, Rabinovich, et al., 1978; ALS |
| ΔcH°solid | -838.30 ± 0.15 | kcal/mol | Ccb | Kibler and Hunt, 1949 | Reanalyzed by Cox and Pilcher, 1970, Original value = -838.16 ± 0.15 kcal/mol; ALS |
| ΔcH°solid | -838.75 ± 0.15 | kcal/mol | Ccb | Sullivan, Kibler, et al., 1948 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°solid,1 bar | 35.779 | cal/mol*K | N/A | Kunyavskaya, Karyakin, et al., 1973 | DH |
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 37.199 | 300. | Kunyavskaya, Karyakin, et al., 1973 | T = 20 to 300 K.; DH |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Kunyavskaya, Karyakin, et al., 1973
Kunyavskaya, S.G.; Karyakin, N.V.; Krylova, G.P.; Chernova, V.I.; Rabinovich, I.B.,
Heat capacity and thermodynamic properties of iosmeric phenylenediamines,
Tr. Khim. Khim. Tekhnol., 1973, 58-59. [all data]
Karyakin, Rabinovich, et al., 1978
Karyakin, N.V.; Rabinovich, I.B.; Sokolov, L.B.,
Thermodynamics of the synthesis of isomeric poly(phenylenephthalamides),
Vysokomol. Soedin. Ser. B, 1978, 20, 662-666. [all data]
Kibler and Hunt, 1949
Kibler, G.M.; Hunt, H.,
Heats of combustion. V. The heats of combustion of five nitrogen-containing compounds,
J. Phys. Chem., 1949, 53, 955-956. [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]
Sullivan, Kibler, et al., 1948
Sullivan, M.V.; Kibler, G.M.; Hunt, H.,
Heats of combustion of nitrogen containing compounds, Rpt. Tech. Memo. PUR-3 for USN Project SQUID Contract N6ori-104, Task Order No. 1 Designation No. NR 22 042 by Purdue University, Lafayette, IN, 1948, 1-46. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid S°solid,1 bar Entropy of solid at standard conditions (1 bar) ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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