Methylamine
- Formula: CH5N
- Molecular weight: 31.0571
- IUPAC Standard InChIKey: BAVYZALUXZFZLV-UHFFFAOYSA-N
- CAS Registry Number: 74-89-5
- 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. - Isotopologues:
- Other names: Methanamine; Aminomethane; Carbinamine; Monomethylamine; CH3NH2; Mercurialin; Methylaminen; Metilamine; Metyloamina; UN 1061; MMA
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Condensed phase thermochemistry data
Go To: Top, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, 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 |
---|---|---|---|---|---|
ΔfH°liquid | -47.3 ± 0.46 | kJ/mol | N/A | Cox and Pilcher, 1970 | Review; Unpublished work J. Jaffe; ALS |
ΔfH°liquid | -47.3 ± 0.46 | kJ/mol | Ccb | Aston, Siller, et al., 1937 | Unpublished work J. Jaffe; ALS |
ΔfH°liquid | -36. | kJ/mol | Ccb | Lemoult, 1907 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -1060.8 ± 0.4 | kJ/mol | N/A | Cox and Pilcher, 1970 | Review; Unpublished work J. Jaffe; ALS |
ΔcH°liquid | -1060.8 ± 0.4 | kJ/mol | Ccb | Aston, Siller, et al., 1937 | Unpublished work J. Jaffe; ALS |
ΔcH°liquid | -1094. | kJ/mol | Ccb | Muller, 1910 | At 288 K; ALS |
ΔcH°liquid | -1075. | kJ/mol | Ccb | Lemoult, 1907 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 150.2 | J/mol*K | N/A | Aston, Siller, et al., 1937, 2 | For superheated liquid, using extrapolated heat capacities.; DH |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
101.80 | 259.28 | Aston, Siller, et al., 1937, 2 | T = 14 to 259 K. Value is unsmoothed experimental datum.; DH |
IR Spectrum
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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
Gas Phase Spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
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Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Sadtler Research Labs Under US-EPA Contract |
State | gas |
Mass spectrum (electron ionization)
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, UV/Visible spectrum, Gas Chromatography, 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 | Japan AIST/NIMC Database- Spectrum MS-NW- 377 |
NIST MS number | 228024 |
UV/Visible spectrum
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, 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: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina
Spectrum
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Additional Data
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Source | Tannenbaum, Coffin, et al., 1953 |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 2772 |
Instrument | n.i.g. |
Sample pressure | 0.01-1.8 mm Hg |
Melting point | -93.4 |
Boiling point | -6.3 |
Gas Chromatography
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, 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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | PMS-100 | 180. | 305. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Methyl Silicone | 380. | Chen and Feng, 2007 | Program: not specified |
Capillary | Polydimethyl siloxanes | 328. | Zenkevich and Chupalov, 1996 | Program: not specified |
References
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Aston, Siller, et al., 1937
Aston, J.G.; Siller, C.W.; Messerly, G.H.,
Heat capacities and entropies of organic compounds. III. Methylamine from 11.5°K. to the boiling point. Heat of vaporization and vapor pressure. The entropy from molecular data,
J. Am. Chem. Soc., 1937, 59, 1743-17. [all data]
Lemoult, 1907
Lemoult, M.P.,
Recherches theoriques et experimentales sur les chaleurs de combustion et de formation des composes organiques,
Ann. Chim. Phys., 1907, 12, 395-432. [all data]
Muller, 1910
Muller, J.-A.,
Sur les chaleurs de combustion et les poids specifiques des methylamines,
Ann. Chim. Phys., 1910, 20, 116-130. [all data]
Aston, Siller, et al., 1937, 2
Aston, J.G.; Siller, C.W.; Messerly, G.H.,
Heat capacities and entropies of organic compounds. III. Methylamine from 12K to the boiling point. Heat of vaporization and vapor pressure. The entropy from molecular data,
J. Am. Chem. Soc., 1937, 59, 1743-1751. [all data]
Tannenbaum, Coffin, et al., 1953
Tannenbaum, E.; Coffin, E.M.; Harrison, A.J.,
The far ultraviolet absorption spectra of simple alkyl amines,
J. Chem. Phys., 1953, 21, 2, 311-318. [all data]
Anderson, Jurel, et al., 1973
Anderson, A.; Jurel, S.; Shymanska, M.; Golender, L.,
Gas-liquid chromatography of some aliphatic and heterocyclic mono- and pollyfunctional amines. VII. Retention indices of amines in some polar and unpolar stationary phases,
Latv. PSR Zinat. Akad. Vestis Kim. Ser., 1973, 1, 51-63. [all data]
Chen and Feng, 2007
Chen, Y.; Feng, C.,
QSPR study on gas chromatography retention index of some organic pollutants,
Comput. Appl. Chem. (China), 2007, 24, 10, 1404-1408. [all data]
Zenkevich and Chupalov, 1996
Zenkevich, I.G.; Chupalov, A.A.,
New Possibilities of Chromato Mass Pectrometric Identification of Organic Compounds Using Increments of Gas Chromatographic Retention Indices of Molecular Structural Fragments,
Zh. Org. Khim. (Rus.), 1996, 32, 5, 656-666. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions 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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