Components:
(1) Nitroethane,
C2H5NO2; [79-24-3]
NIST WebBook
(2) Water,
H2O; [7732-18-5]
NIST WebBook
Original Measurements
Stephenson, R. M.; J. Chem. Eng. Data 37, 80-95 (1992).
Variables:
Ambient temperature: 273 to 363 K
Prepared by:
Method/Apparatus/Procedure:
No details were reported.
Source and Purity of Materials:
- Aldrich Chemical; not purified; purity 96 mass%.
- Twice distilled.
Estimated Errors:
Ambient temperature: to ±0.1K.
Mass concentration (m/v) (1): 0.01 mass% (1) in (2), 0.03 mass% (2) in (1).
Experimental Values:
Mutual solubility of nitroethane (1) and water (2)
| T (°C) | T (K) | 100w1 | x1 |
|---|---|---|---|
| 0.0 | 273.2 | 4.32 | 1.07 x 10-2 |
| 9.2 | 282.4 | 4.22 | 1.05 x 10-2 |
| 19.6 | 292.8 | 4.38 | 1.09 x 10-2 |
| 31.0 | 304.2 | 4.44 | 1.10 x 10-2 |
| 40.6 | 313.8 | 4.6 | 1.14 x 10-2 |
| 50.5 | 323.7 | 5.19 | 1.30 x 10-2 |
| 60.8 | 334.0 | 5.4 | 1.35 x 10-2 |
| 70.4 | 343.6 | 5.82 | 1.46 x 10-2 |
| 80.4 | 353.6 | 6.27 | 1.58 x 10-2 |
| 90.1 | 363.3 | 6.55 | 1.65 x 10-2 |
(a) Below 70°C the organic-rich is more dense than the water-rich phase; above 70°C the water-rich phase is more dense.
Mutual solubility of nitroethane (1) and water (2)
| T (°C) | T (K) | 100w1 | x1 |
|---|---|---|---|
| 0.0 | 273.2 | 99.38 | 9.747 x 10-1 |
| 9.2 | 282.4 | 99.25 | 9.695 x 10-1 |
| 19.6 | 292.8 | 99.01 | 9.600 x 10-1 |
| 31.0 | 304.2 | 98.69 | 9.476 x 10-1 |
| 40.6 | 313.8 | 98.42 | 9.373 x 10-1 |
| 50.5 | 323.7 | 98.1 | 9.253 x 10-1 |
| 60.8 | 334.0 | 96.69 | 8.752 x 10-1 |
| 70.4 | 343.6 | 95.24 | 8.277 x 10-1 |
| 80.4 | 353.6 | 98.83 | 7.850 x 10-1 |
