Benzenamine, 4,4'-methylenebis-
- Formula: C13H14N2
- Molecular weight: 198.2637
- IUPAC Standard InChIKey: YBRVSVVVWCFQMG-UHFFFAOYSA-N
- CAS Registry Number: 101-77-9
- 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: Aniline, 4,4'-methylenedi-; p,p'-Diaminodiphenylmethane; p,p'-Methylenedianiline; Bis(p-aminophenyl)methane; Bis(4-aminophenyl)methane; Diaminodiphenylmethane; Dianilinemethane; Epicure DDM; Epikure DDM; HT 972; Jeffamine AP-20; Methylenebis[aniline]; Methylenedianiline; Tonox; 4,4'-Diaminodiphenylmethane; 4,4'-Diphenylmethanediamine; 4,4'-Methylenebis[aniline]; 4,4'-Methylenedianiline; p-Toluidine, α-(p-aminophenyl)-; p,p'-Diaminodifenylmethan; Bis-p-aminofenylmethan; Di(4-aminophenyl)methane; DADPM; DDM; MDA; NCI-C54604; 4-(4-Aminobenzyl)aniline; 4,4'-Diaminodiphenylmethan; Ancamine TL; Araldite hardener 972; Curithane; 4,4'-Methylenebis(benzeneamine); 4,4-Methylenedianiline; Sumicure M; UN 2651; Bis(aminophenyl)methane; 4,4'-Methylenedibenzenamine; Dianiline, 4,4'-methylene-; NSC 4709
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Condensed phase thermochemistry data
Go To: Top, Gas phase ion energetics 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 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 |
---|---|---|---|---|---|
ΔcH°liquid | -7200. ± 20. | kJ/mol | Ccb | Zalykin and Strepikheev, 1966 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔfH°solid | Ccb | Kishore and Santhanalakshmi, 1983 | uncertain value: 81.9 ± 0.2 kJ/mol; Data origin uncertain; ALS | ||
ΔfH°solid | Ccb | Kishore and Santhanalakshmi, 1983 | uncertain value: 82.4 ± 0.2 kJ/mol; Data origin uncertain; ALS | ||
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | Ccb | Kishore and Santhanalakshmi, 1983 | uncertain value: -8743.3 ± 6.7 kJ/mol; Data origin uncertain; ALS | ||
ΔcH°solid | Ccb | Kishore and Santhanalakshmi, 1983 | uncertain value: -8745.0 ± 7.5 kJ/mol; Data origin uncertain; ALS |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
270.9 | 298. | Lesbats and Lichanot, 1987 | T = 250 to 400 K.; DH |
66.5 | 298. | Marchidan and Ciopec, 1978 | T = 298 to 469 K. Data seem odd; values for solid increase from 66.5 to 606.3 J/mol*K at 370 K to 463.2 J/mol*K at 470 K.; DH |
227.2 | 388. | Zalikin and Strepikheev, 1966 | T = 110 to 120°C, mean value.; DH |
Gas phase ion energetics data
Go To: Top, Condensed phase thermochemistry 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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference |
---|---|---|
7.20 | PI | Pykhtina, Cherednichenko, et al., 1974 |
7.75 ± 0.05 | EI | Pignataro, Mancini, et al., 1972 |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C7H8N+ | 10.6 ± 0.1 | ? | EI | Innorta, Torroni, et al., 1973 | |
C13H12N+ | 10.7 ± 0.1 | NH2 | EI | Innorta, Torroni, et al., 1973 |
References
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Zalykin and Strepikheev, 1966
Zalykin, A.A.; Strepikheev, Yu.A.,
Certain physicochemical constants of 4,4'-diaminodiphenylmethane and diphenylmethane 4,4'diisocyanate,
J. Appl. Chem. USSR (Engl. Transl.), 1966, 39, 2448, In original 2607. [all data]
Kishore and Santhanalakshmi, 1983
Kishore, K.; Santhanalakshmi, K.N.,
A thermochemical study on the reactions of aniline with formaldehyde in the presence of acid medium,
Thermochim. Acta, 1983, 68, 59-74. [all data]
Lesbats and Lichanot, 1987
Lesbats, C.; Lichanot, A.,
Capacites calorifiques de durcisseurs amines et resines epoxydes,
Thermochim. Acta, 1987, 109, 317-329. [all data]
Marchidan and Ciopec, 1978
Marchidan, D.I.; Ciopec, M.,
Relative enthalpies and related thermodynamic functions of some organic compounds by drop calorimetry,
J. Therm. Anal., 1978, 14, 131-150. [all data]
Zalikin and Strepikheev, 1966
Zalikin, A.A.; Strepikheev, Yu.A.,
Some physicochemical constants of 4,4'-diaminodiphenylmethane and 4,4'-diphenylmethanediisocyanate,
Zhur. Priklad. Khim., 1966, 39, 2607. [all data]
Pykhtina, Cherednichenko, et al., 1974
Pykhtina, E.V.; Cherednichenko, L.V.; Kardash, I.E.; Evlasheva, T.I.; Sorokin, V.V.; Potapov, V.K.; Pravednikov, A.N.,
Ionization potentials of amines and energies of charge transfer bands in the absorption spectra of complexes of 7,7,8,8-tetracyanoquinodimethan,
High Energy Chem., 1974, 8, 257, In original 307. [all data]
Pignataro, Mancini, et al., 1972
Pignataro, S.; Mancini, V.; Innorta, G.; Distefano, G.,
Ionization energies and ring orbital interaction in diarylmethanes and diaryleth,
Z. Naturforsch., 1972, 27, 534. [all data]
Innorta, Torroni, et al., 1973
Innorta, G.; Torroni, S.; Pignataro, S.; Mancini, V.,
The activation energy as guiding factor in the fragmentation of substituted diphenylmethanes,
Org. Mass Spectrom., 1973, 7, 1399. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy Cp,solid Constant pressure heat capacity of solid ΔcH°liquid Enthalpy of combustion of liquid at standard conditions 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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