Dimethyl methylphosphonate
- Formula: C3H9O3P
- Molecular weight: 124.0755
- IUPAC Standard InChIKey: VONWDASPFIQPDY-UHFFFAOYSA-N
- CAS Registry Number: 756-79-6
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: DMMP; Dimethyl methanephosphonate; Phosphonic acid, methyl-, dimethyl ester; Methanephosphonic acid, dimethyl ester; Dimethoxymethylphosphine oxide; NCI-C54762; Pyrol DMMP; Methyl phosphonic acid, dimethyl ester; Dimethyl ester of methylphosphonic acid; Furan TF 2000; Fyrol DMMP; Metaran; O,O-Dimethyl methylphosphonate; NSC 62240; Phosphonic acid, P-methyl-, dimethyl ester
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Gas phase ion energetics data
Go To: Top, 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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.00 | PE | Zverev and Villem, 1980 | LLK |
10.00 | PE | Zverev, Villem, et al., 1979 | LLK |
10.71 | PE | Chattorpadhyay, Findley, et al., 1981 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CHO+ | 18.9 ± 0.8 | ? | EI | Bafus, Gallegos, et al., 1966 | RDSH |
CH3+ | 16.8 ± 0.1 | ? | EI | Bafus, Gallegos, et al., 1966 | RDSH |
CH3O+ | 13.8 ± 0.2 | ? | EI | Bafus, Gallegos, et al., 1966 | RDSH |
CH4OP+ | 16.9 ± 0.2 | ? | EI | Bafus, Gallegos, et al., 1966 | RDSH |
CH4O2P+ | 13.4 ± 0.3 | ? | EI | Bafus, Gallegos, et al., 1966 | RDSH |
CH5O2P+ | 11.9 | ? | EI | Bafus, Gallegos, et al., 1966 | RDSH |
C2H5O+ | 16.3 ± 0.1 | ? | EI | Bafus, Gallegos, et al., 1966 | RDSH |
C2H6O2P+ | 12.5 ± 0.1 | ? | EI | Bafus, Gallegos, et al., 1966 | RDSH |
C2H6O3P+ | 13.3 ± 0.3 | CH3 | EI | Bafus, Gallegos, et al., 1966 | RDSH |
C2H7O2P+ | 11.5 ± 0.2 | CH2O | EI | Bafus, Gallegos, et al., 1966 | RDSH |
PO+ | 19.4 ± 0.3 | ? | EI | Bafus, Gallegos, et al., 1966 | RDSH |
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-9774 |
NIST MS number | 233393 |
Gas Chromatography
Go To: Top, Gas phase ion energetics data, 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 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 |
---|---|---|---|---|---|
Capillary | Methyl Silicone | 100. | 839. | Huber, Kenndler, et al., 1993 | H2; Column length: 5. m; Phase thickness: 2.65 μm |
Capillary | Methyl Silicone | 120. | 839. | Huber, Kenndler, et al., 1993 | H2; Column length: 5. m; Phase thickness: 2.65 μm |
Capillary | Methyl Silicone | 80. | 840. | Huber, Kenndler, et al., 1993 | H2; Column length: 5. m; Phase thickness: 2.65 μm |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | PEG-20M | 130. | 1493. | Huber, Kenndler, et al., 1993 | Column length: 10. m; Phase thickness: 1.33 μm |
Capillary | PEG-20M | 150. | 1501. | Huber, Kenndler, et al., 1993 | Column length: 10. m; Phase thickness: 1.33 μm |
Capillary | PEG-20M | 130. | 1493.6 | Huber, Kenndler, et al., 1993 | Column length: 10. m; Phase thickness: 1.33 μm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-54 | 881. | Kostiainen, 2000 | 25. m/0.32 mm/0.25 μm, He, 40. C @ 1. min, 10. K/min, 280. C @ 10. min |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-54 | 880.9 | Söderström, Ketola, et al., 1995 | 25. m/0.32 mm/0.25 μm, He, 40. C @ 2. min, 10. K/min, 250. C @ 10. min |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxane | 915. | Staples, 2006 | Program: not specified |
Capillary | DB-5 MS | 868. | Tsunoda, 2005 | 30. m/0.25 mm/0.25 μm, Helium; Program: 45 0C (2 min) 8 0C/min -> 125 0C 15 0C/min -> 280 0C |
Capillary | DB-5 MS | 876. | Tsunoda, 2005 | 30. m/0.25 mm/0.25 μm, Helium; Program: 45 0C (2 min) 8 0C/min -> 125 0C 15 0C/min -> 280 0C |
Capillary | 5 % Phenyl methyl siloxane | 881. | OPCW, 1997 | Program: not specified |
References
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Zverev and Villem, 1980
Zverev, V.V.; Villem, Y.Y.,
Ionizationp potentials of phosphoryl compounds,
J. Struct. Chem., 1980, 21, 22, In original 30. [all data]
Zverev, Villem, et al., 1979
Zverev, V.V.; Villem, Ya.Ya.; Bel'skii, V.E.; Kitaev, Yu.P.,
The photoelectronic spectra of phosphoryl compounds,
Izv. Akad. Nauk SSSR, Ser. Khim., 1979, 1, 84. [all data]
Chattorpadhyay, Findley, et al., 1981
Chattorpadhyay, S.; Findley, G.L.; McGlynn, S.P.,
Photoelectron spectroscopy of phosphites and phosphates,
J. Electron Spectrosc. Relat. Phenom., 1981, 24, 27. [all data]
Bafus, Gallegos, et al., 1966
Bafus, D.A.; Gallegos, E.J.; Kiser, R.W.,
An electron impact investigation of some alkyl phosphate esters,
J. Phys. Chem., 1966, 70, 2614. [all data]
Huber, Kenndler, et al., 1993
Huber, J.F.K.; Kenndler, E.; Reich, G.; Hack, W.; Wolf, J.,
Optimal Selection of Gas Chromatographic Columns for the Analytical Control of Chemical Warfare Agents by Application of Information Theory to Retention Data,
Anal. Chem., 1993, 65, 20, 2903-2906, https://doi.org/10.1021/ac00068a031
. [all data]
Kostiainen, 2000
Kostiainen, O.,
Gas Chromatography in Screening of Chemicals Related to the Chemical Weapons Convention
in Encyclopedia of Analytical Chemistry, Meyers, R.A., ed(s)., John Wiley Sons Ltd, Chichester, 2000, 963-979. [all data]
Söderström, Ketola, et al., 1995
Söderström, M.T.; Ketola, R.A.; Kostiainen, O.,
Identification of some nerve agent homologues and dialkyl methylphosphonates by gas chromatography/Fourier transform infrared spectrometry. Part II. Spectral search with the help of retention indices,
Fresenius J. Anal. Chem., 1995, 352, 6, 550-556, https://doi.org/10.1007/BF00323072
. [all data]
Staples, 2006
Staples, E.J.,
Creating a compound library for chemical warfare agents for the ZNose, 2006, retrieved from http://www.estcal.com/TechPapers/Security/CWA-Libraries.pdf. [all data]
Tsunoda, 2005
Tsunoda, N.,
The sarin incidents in Japan and mass spectrometry,
J. MAss Spectrom. Soc. Japan, 2005, 53, 3, 157-163, https://doi.org/10.5702/massspec.53.157
. [all data]
OPCW, 1997
OPCW,
Conference of the States Parties C-I/DEC.64 (22 May 1997), 1997, retrieved from http://www.opcw.org/html/global/cseries/csp1/CIDEC64.html. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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