Diisopropyl methanephosphonate
- Formula: C7H17O3P
- Molecular weight: 180.1818
- IUPAC Standard InChIKey: WOAFDHWYKSOANX-UHFFFAOYSA-N
- CAS Registry Number: 1445-75-6
- 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: DIMP; Phosphonic acid, methyl-, bis(1-methylethyl) ester; Diisopropyl methylphosphonate; Phosphonic acid, methyl-, diisopropyl ester; Dimp (phosphonate); O,O-Diisopropyl methylphosphonate; Phosphonic acid, methyl-, O,O-bis-isopropyl ester; Methyl-phosphonic acid diisopropyl ester; bis(1-methylethyl) methylphosphonate
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Phase change data
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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 as indicated in comments:
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔvapH° | 57.6 | kJ/mol | GS | Butrow, Buchanan, et al., 2009 | Based on data from 253. to 468. K.; AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
62.1 | 253. | GS | Butrow, Buchanan, et al., 2009 | Based on data from 253. to 468. K.; AC |
58.9 | 283. | GS | Butrow, Buchanan, et al., 2009 | Based on data from 253. to 468. K.; AC |
56.5 | 313. | GS | Butrow, Buchanan, et al., 2009 | Based on data from 253. to 468. K.; AC |
54.2 | 353. | GS | Butrow, Buchanan, et al., 2009 | Based on data from 253. to 468. K.; AC |
52.4 | 393. | GS | Butrow, Buchanan, et al., 2009 | Based on data from 253. to 468. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
343. to 406. | 0.1703 | 104.428 | -304.50 | Kosolapoff, 1955 | Coefficents calculated by NIST from author's data. |
References
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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]
Kosolapoff, 1955
Kosolapoff, G.M.,
Vapour Pressures and Densities of Some Lower Alkylphosphonates,
J. Chem. Soc., 1955, 2964-2965. [all data]
Notes
Go To: Top, Phase change data, 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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