IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: Acetonitrile with Potassium iodide
Components:
   (1) Acetonitrile; C2H3N; [75-05-8]  NIST Chemistry WebBook for detail
   (2) Potassium iodide; KI; [7681-11-0]  NIST Chemistry WebBook for detail
Original Measurements:
   Il'in, K.K., Varlamova, T.M., and Lelyukhin, S.V., Phase Equilibriums and Thermal Analysis (in Russian), Perm', 124 (1988).

 Variables:
   Temperature = 283 K to 333 K

 Prepared By:
   Valerii P. Sazonov

 Experimental Data:   (Notes on the Nomenclature)
  
Solubility of potassium iodide (2) in acetonitrile (1)
t/°CT/K102 * Mass Fraction w2Mole Fraction x2 (compiler)
10.0283.22.250.0057
20.0293.22.070.0052
25.0298.21.980.0050
30.0303.21.960.0049
40.0313.21.840.0046
50.0323.21.710.0043
60.0333.21.600.0040
 Method/Apparatus/Procedure:
   The analytical method was used. (1) and (2) were placed in a vessel without contact to atmospheric moisture. With continuous stirring equilibrium was established in 6-7 hours. Salt content in saturated solutions determined by gravimetrically.

 Source and Purity of Materials:
   (1) Source not specified; pure grade reagent; dried and purified.
   (2) Source not specified; very pure reagent; dried in vacuum.

 Estimated Errors:
   Solubility: relative error ± 0.1 %.
   Temperature: ± 0.1 K.