Dimethyl phosphite
- Formula: C2H7O3P
- Molecular weight: 110.0489
- IUPAC Standard InChIKey: HZCDANOFLILNSA-UHFFFAOYSA-N
- CAS Registry Number: 868-85-9
- 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. - Species with the same structure:
- Isotopologues:
- Other names: Phosphonic acid, dimethyl ester; Dimethoxyphosphine oxide; Dimethyl acid phosphite; Dimethyl hydrogen phosphite; Dimethyl phosphonate; Hydrogen dimethyl phosphite; Methyl phosphonate ((MeO)2HPO); O,O-Dimethyl phosphonate; (CH3O)2PHO; Phosphorous acid dimethyl ester; Dimethylester kyseliny fosforite; Dimethylfosfit; Dimethylfosfonat; NCI-C54773; Dimethyl ester of phosphonic acid; Dimethyl hydrogen phosphonate
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Phase change data
Go To: Top, IR Spectrum, 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: William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔvapH° | 46.7 | kJ/mol | GS | Butrow, Buchanan, et al., 2009 | Based on data from 243. to 443. K. |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
46.7 | 368. | N/A | Fan and Wang, 2010 | Based on data from 353. to 443. K. |
48.3 | 243. | GS | Butrow, Buchanan, et al., 2009 | Based on data from 243. to 443. K. |
47.9 | 263. | GS | Butrow, Buchanan, et al., 2009 | Based on data from 243. to 443. K. |
46.4 | 313. | GS | Butrow, Buchanan, et al., 2009 | Based on data from 243. to 443. K. |
46.0 | 333. | GS | Butrow, Buchanan, et al., 2009 | Based on data from 243. to 443. K. |
45.4 | 373. | GS | Butrow, Buchanan, et al., 2009 | Based on data from 243. to 443. K. |
38.7 | 361. | A | Stephenson and Malanowski, 1987 | Based on data from 346. to 456. K. See also Dykyj, 1970. |
IR Spectrum
Go To: Top, Phase change data, Mass spectrum (electron ionization), References, Notes
Data compiled by: Coblentz Society, Inc.
- Not specified, most likely a prism, grating, or hybrid spectrometer.; (NO SPECTRUM, ONLY SCANNED IMAGE IS AVAILABLE)
- Not specified, most likely a prism, grating, or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY; 4 cm-1 resolution
- LIQUID (NEAT); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm-1 resolution
- SOLUTION (10% CCl4 FOR 3800-1330, 10% CS2 FOR 1330-400 CM-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm-1 resolution
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Mass spectrum (electron ionization)
Go To: Top, Phase change data, IR 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
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
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- 989 |
NIST MS number | 230474 |
References
Go To: Top, Phase change data, IR Spectrum, 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.
Butrow, Buchanan, et al., 2009
Butrow, Ann B.; Buchanan, James H.; Tevault, David E.,
Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds,
J. Chem. Eng. Data, 2009, 54, 6, 1876-1883, https://doi.org/10.1021/je8010024
. [all data]
Fan and Wang, 2010
Fan, Chuan-Lei; Wang, Li-Sheng,
Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate,
J. Chem. Eng. Data, 2010, 55, 1, 479-481, https://doi.org/10.1021/je900258f
. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Dykyj, 1970
Dykyj, J.,
Petrochemica, 1970, 10, 2, 51. [all data]
Notes
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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