diarsenic trioxide
- Formula: As2O3
- Molecular weight: 197.8414
- CAS Registry Number: 1327-53-3
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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.
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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| Temperature (K) | A | B | C | Reference | Comment |
|---|---|---|---|---|---|
| 369.29 to 421.69 | 4.22853 | 2406.912 | -146.969 | Behrens and Rosenblatt, 1972 | Coefficents calculated by NIST from author's data. |
| 485.7 to 730.4 | 2.15227 | 925.481 | -302.329 | Stull, 1947 | 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.
Behrens and Rosenblatt, 1972
Behrens, R.G.; Rosenblatt, G.M.,
Vapor Pressure and Thermodynamics of Octahedral Arsenic Trioxide (Arsenolite),
J. Chem. Thermodyn., 1972, 4, 2, 175-190, https://doi.org/10.1016/0021-9614(72)90055-9
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Notes
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- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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