SDS Volume (5169)

Volume 78. Acetonitrile Binary Systems, p None

Original Measurements

Sinegubova, S. I.; Ph.D. Dissertation, Saratov University 1978.

Variables:

Room Temp: 298 - 341 $\pu{K}$

Prepared by:

N.V. Sazonov, V.P. Sazonov

Method/Apparatus/Procedure:

The synthetic method was used. Sealed ampoules were placed in a glass-walled thermostat. The temperature of the thermostat was increased gradually with periodic stirring and a preliminary determination of the clear-point temperature in every ampoule was made. A more precise value of the cloud-point temperature was determined by allowing the thermostat to cool. The determination was repeated several times.

Source and Purity of Materials:
  1. Source not specified; pure grade product; distilled over anhydrous soda, BP = 81.6°C, $n_{D}^{20}$ = 1.3441, $\rho^{25} = \pu{777 g L-1}$
  2. Source not specified; for chromatography; not purified; BP = 36.0°C, $n_{D}^{20}$ = 1.3578, $\rho^{20} = \pu{626 g L-1}$.
Estimated Errors:

Ambient temperature: ±0.2 K.

Components:
  1. Acetonitrile, $\ce{ C2H3N }$; [75-05-8] NIST WebBook
  2. Pentane, $\ce{ C5H12 }$; [109-66-0] NIST WebBook
Experimental Data
Mutual solubility of acetonitrile (1) and pentane (2)
$T$ (°C) $T$ ($\pu{K}$) w1 $x_{1}$
25.0298.2 3.95 0.067
34.2307.4 - -
38.5311.7 11.1 0.180
56.5329.7 - -
63.9337.1 - -
64.5337.7 20.3 0.309
67.2340.4 - -
67.3340.5 28.7 0.414
67.9341.1 - -
68.2341.4 32.9 0.463
68.2341.4 - -
25.0298.2 85.6 0.913
34.2307.4 79.3 0.871
38.5311.7 - -
56.5329.7 69.7 0.802
63.9337.1 60.1 0.726
64.5337.7 - -
67.2340.4 52.2 0.658
67.3340.5 - -
67.9341.1 43.9 0.579
68.2341.4 - -
68.2341.4 - -

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