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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Acetonitrile with 1,2,3-Propanetriol (glycerol)
Components:
(1) 1,2,3-Propanetriol (glycerol); C3H8O3; [56-81-5]
NIST Chemistry WebBook
for detail
(2) Acetonitrile; C2H3N; [75-05-8]
NIST Chemistry WebBook
for detail
Original Measurements:
Sazonov V.P.; Gudkina, L.V., Zh. Prikl. Khim. (Leningrad) 46, 1076 (1973).
Variables:
Temperature = 299 K to 320 K
Prepared By:
Valerii P. Sazonov
Experimental Data:
(Notes on the Nomenclature)
Mutual solubility of acetonitrile (1) and 1,2,3-propanetriol (2)
t/°C
T/K
10
2
* Mass Fraction w
1
Mole Fraction x
1
(compiler)
Comment(s)
25.4
298.6
8.35
0.170
Glycerol-rich phase
31.3
304.5
-
-
Glycerol-rich phase
37.4
310.6
10.0
0.200
Glycerol-rich phase
39.3
312.5
-
-
Glycerol-rich phase
46.7
319.9
-
-
Glycerol-rich phase
25.4
298.6
-
-
Acetonitrile-rich phase
31.3
304.5
95.0
0.977
Acetonitrile-rich phase
37.4
310.6
-
-
Acetonitrile-rich phase
39.3
312.5
94.0
0.972
Acetonitrile-rich phase
46.7
319.9
92.4
0.965
Acetonitrile-rich phase
Method/Apparatus/Procedure:
The synthetic method was used. Determinations were made in sealed tubes, which were heated and allowed to cool slowly in water bath. Thermometers were calibrated to 0.01 K.
Source and Purity of Materials:
(1) Soyuzreaktiv, USSR; CP reagent; dried over P
2
O
5
and twice distilled in a laboratory packed column;
n
(20 °C, D) = 1.3440,
d
(20 °C, 4 °C) = 0.7828.
(2) Soyuzreaktiv, USSR; pure grade reagent; purified by two vacuum distillations; water content by the method Fischer less than 0.04 mass. %.
Estimated Errors:
Temperature: ± 0.02 K.