Components:

(1) Acetonitrile, C2H3N; [75-05-8] NIST WebBook
(2) 1-Alcohols (C10-C20), C10H18O - C20H42O; [class-004a] NIST WebBook

Original Measurements

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

Variables:

Ambient temperature: 296 - 347 K

Prepared by:

N.V. Sazonov, 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(20°C, D) = 1.3445, d(20°C, 4°C) = 0.780.
  2. Some alcohols obtained from the Hormel Institute and from Lachat Chemicals; all other alcohols prepared by reduction of the corresponding methyl esters with lithium aluminum hydride; purified by gas-liquid partition 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).

Experimental Values:
Upper critical solution temperatures of the binary systems acetonitrile (1) + 1-alcohol (2)
T (°C) T (K)
23.0 296.2
29.0 302.2
34.5 307.7
40.0 313.2
44.5 317.7
50.0 323.2
54.5 327.7
59.5 332.7
64.0 337.2
69.0 342.2
74.0 347.2

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