SDS Volume (5102)

Volume 78. Acetonitrile Binary Systems, p None

Original Measurements

Schmid, H. H. O.; Mangold, H. K.; Lundberg, W. O.; Microchem. J. 9, 134-144 (1965).

Variables:

Room Temp: 377 - 424 $\pu{K}$

Prepared by:

V.P. Sazonov

Method/Apparatus/Procedure:

The synthetic method was used. A Reichert microscope, type RCH, equipped with a heating stage was used as described elsewhere [1]. The disappearance and reappearance of the interface between (1) and (2) could be observed without difficulty.

Source and Purity of Materials:
  1. Baker Chemical Co.; reagent No. 9011; $n_{D}^{20}$ = 1.3445, $d_{4}^{20}$ = 0.780.
  2. Synthesized by transesterification of methyl esters and acetates using sodium methanoate as catalyst; purified by gas-liquid partition and thin-layer adsorption chromatography.
Estimated Errors:

Ambient temperature: ±0.5 K.

References

1 Schmid, H. H. O.; Mangold, H. K.; Lundberg, W. O.; J. Am. Oil Chem. Soc. 42, 372 (1965).

Components:
  1. Acetonitrile, $\ce{ C2H3N }$; [75-05-8] NIST WebBook
  2. Esters (C24 - C32), $\ce{ C24H48O2 - C32H64O2 }$;
Experimental Data
Upper critical solution temperatures of the binary systems acetonitrile (1) + ester (2)
$T$ (°C) $T$ ($\pu{K}$)
104.0377.2
104.5377.7
118.0391.2
118.0391.2
130.0403.2
130.0403.2
140.5413.7
140.5413.7
150.5423.7

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