Benzene, 1,1'-methylenebis[4-isocyanato-
- Formula: C15H10N2O2
- Molecular weight: 250.2521
- IUPAC Standard InChIKey: UPMLOUAZCHDJJD-UHFFFAOYSA-N
- CAS Registry Number: 101-68-8
- 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,p'-Diphenylmethane diisocyanate; Isocyanic acid, methylenedi-p-phenylene ester; p,p'-Methylenebis[phenyl isocyanate]; Bis(p-isocyanatophenyl)methane; Bis(1,4-isocyanatophenyl)methane; Bis(4-isocyanatophenyl)methane; Caradate 30; Desmodur 44; Diphenylmethane diisocyanate; Diphenylmethane p,p'-diisocyanate; Diphenylmethane 4,4'-diisocyanate; Hylene M50; Isonate 125 MF; Isonate 125M; Methylenebis[p-phenyl isocyanate]; Methylenebis[p-phenylene isocyanate]; Methylenebis[4-isocyanatobenzene]; Methylenebis[4-phenyl isocyanate]; Methylenebis[4-phenylene isocyanate]; Methylenedi(p-phenyl isocyanate); Methylenedi(p-phenylene diisocyanate); Methylenedi(p-phenylene isocyanate); MDI; MDR; Nacconate 300; 4,4'-Diisocyanatodiphenylmethane; 4,4'-Methylenebis[phenyl isocyanate]; 4,4'-Methylenedi(phenylene isocyanate); 4,4'-Diphenylmethane diisocyanate; 1,1'-Methylenebis(4-isocyanatobenzene); NCI-C50668; Di-(4-isocyanatophenyl)methane; Difenil-metan-diisocianato; Diphenylmethan-4,4'-diisocyanat; Methylbisphenyl isocyanate; Methylene bisphenyl isocyanate; 4,4'-Diisocyanate de diphenylmethane; 4,4'-Methylenedi-p-phenylene diisocyanate; Difenylmethaan-dissocyanaat; Isonate; 4,4'-Methylenediphenyl isocyanate; Rubinate 44; UN 2489; Diphenylmethane 4,4-diisocyanate; Diphenylmethyl diisocyanate; Methylene diphenyl diisocyanate; Methylenedi-p-phenyl diisocyanate; Nocconate 300; Methylenebisphenylene diisocyanate; 4,4'-Methylenediphenyl diisocyanate; Isocyanic acid, diphenylmethylene ester; Diphenylmethylene diisocyanate
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Condensed phase thermochemistry data
Go To: Top, Mass spectrum (electron ionization), 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 | -1652. ± 13. | kcal/mol | Ccb | Zalykin and Strepikheev, 1966 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔfH°solid | -12.7 ± 0.79 | kcal/mol | Ccb | Lebedev, Evstropov, et al., 1977 | see Lebedev, Rabinovich, et al., 1977; ALS |
ΔfH°solid | -13.3 ± 3.0 | kcal/mol | Ccb | Zhuravlev, Selivanov, et al., 1975 | Heat of combustion by Selivanov and Konstantinov, 1970; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -1740. ± 0.79 | kcal/mol | Ccb | Lebedev, Evstropov, et al., 1977 | see Lebedev, Rabinovich, et al., 1977; ALS |
ΔcH°solid | -1739.0 ± 3.0 | kcal/mol | Ccb | Selivanov and Konstantinov, 1970 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°solid,1 bar | 79.47 | cal/mol*K | N/A | Lebedev, Evstropov, et al., 1977, 2 | DH |
S°solid,1 bar | 79.47 | cal/mol*K | N/A | Lebedev, Rabinovich, et al., 1977, 2 | DH |
Constant pressure heat capacity of solid
Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
73.37 | 298.15 | Lebedev, Evstropov, et al., 1977, 2 | T = 12 to 355 K. Data deposited VINITI, No 4328-76, 14 December 1976.; DH |
74.8 | 300. | Lebedev, Rabinovich, et al., 1977, 2 | T = 13 to 400 K. Data given graphically. Value estimated from graph.; DH |
58.51 | 334. | Zalikin and Strepikheev, 1966 | T = 46 to 78°C, mean value.; DH |
Mass spectrum (electron ionization)
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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Due to licensing restrictions, this spectrum cannot be downloaded.
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 | NIST Mass Spectrometry Data Center, 1994 |
NIST MS number | 134320 |
References
Go To: Top, Condensed phase thermochemistry data, Mass spectrum (electron ionization), 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]
Lebedev, Evstropov, et al., 1977
Lebedev, B.V.; Evstropov, A.A.; Sadikov, G.B.; Larina, L.F.,
Thermodynamics of di(4-isocyanatophenyl)methane,
Russ. J. Phys. Chem. (Engl. Transl.), 1977, 51, 762-763. [all data]
Lebedev, Rabinovich, et al., 1977
Lebedev, B.V.; Rabinovich, I.B.; Kiparisova, E.G.; Evstropov, A.A.; Korshak, V.V.; Pankratov, V.A.; Larina, L.F.,
Thermodynamics of the polycyclotrimerization of aromatic dicyanates and diisocyanates,
Dokl. Phys. Chem. (Engl. Transl.), 1977, 237, 1081-1084, In original 383. [all data]
Zhuravlev, Selivanov, et al., 1975
Zhuravlev, E.Z.; Selivanov, V.D.; Mulyanov, P.V.; Konstantinov, I.I.,
Physicochemical properties of 4,4'-dicyclohexylmethane diisocyanate,
J. Appl. Chem. USSR, 1975, 1137-1139. [all data]
Selivanov and Konstantinov, 1970
Selivanov, V.D.; Konstantinov, I.I.,
Correction of the heat of combustion of diphenylmethane-4,4'-diisocyanate,
J. Appl. Chem., 1970, 43, 2600-2601. [all data]
Lebedev, Evstropov, et al., 1977, 2
Lebedev, B.V.; Evstropov, A.A.; Sadikov, G.B.; Larina, L.F.,
Thermodynamics of di(4-isocyanatophenyl)methane,
Zhur. Fiz. Khim., 1977, 51, 1285. [all data]
Lebedev, Rabinovich, et al., 1977, 2
Lebedev, B.V.; Rabinovich, I.B.; Kiparisova, Y.G.; Evstropov, A.A.; Korshak, V.V.; Pankratov, V.A.; Larina, L.F.,
Thermodynamics of the polycyclotrimerization of aromatic dicyanates and diisocyanates,
Dokl. Akad. Nauk, 1977, SSSR 237, 383-386. [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]
Notes
Go To: Top, Condensed phase thermochemistry data, Mass spectrum (electron ionization), 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°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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