SDS Volume (4324)
Volume 71. Nitromethane with Water or Organic Solvents, p 1192
Original Measurements
Walden, P.; Z. Phys. Chem. 55U, 683-720 (1906).
Variables:
Room Temp: 273 and 298 $\pu{K}$
Prepared by:
Method/Apparatus/Procedure:
The analytical method was used. Method A: 10 to 20 mL of (1) and an appropriate amount of fine dry salt were placed into a glass retort in a thermostat and stirred for many hours. Aliquots of the saturated solution were taken by pipette for titration. Method B: 15-25 mL of (1) and finely divided salt were equilibrated at 40 °C with intensive stirring for 1 h. The flask was then placed into a thermostat (25 or 0 °C) and stirred for 2 h. After this, stirring was halted and the flask kept at the given temperature for 17-18 h. The saturated solutions were then sampled and titrated.
Source and Purity of Materials:
- Not specified.
- Not specified.
Estimated Errors:
Ambient temperature: Not specified.
Mass concentration (m/v) (1): Not specified.
Pressure: Not specified.
Components:
- Nitromethane $\ce{ CH3NO2 }$ [75-52-5]; NIST WebBook
-
Potassium iodide $\ce{ KI }$
[7681-11-0];
NIST WebBook
Lithium iodide $\ce{ ILi }$ [10377-51-2]; NIST WebBook
Sodium iodide $\ce{ NaI }$ [7681-82-5]; NIST WebBook
Rubidium iodide $\ce{ RbI }$ [7790-29-6]; NIST WebBook
Experimental Data
Solubility of nitromethane (1) with alkali metal iodides (2)
| Alkali metal iodides (x4) | $T$ (°C) | $T$ ($\pu{K}$) | 100w2 | $x_{2}$ |
|---|---|---|---|---|
Potassium iodide
(
 )
|
25.0 | 298.2 | 0.289 | 0.017 |
|
Lithium iodide
(
)
|
0.0 | 273.2 | 1.219 | 0.091 |
|
Sodium iodide
(
)
|
0.0 | 273.2 | 0.339 | 0.023 |
|
Rubidium iodide
(
)
|
0.0 | 273.2 | 0.567 | 0.027 |