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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Nitromethane with Hexadecane
Components:
(1) Nitromethane; CH3NO2; [75-52-5]
NIST Chemistry WebBook
for detail
(2) Hexadecane; C16H34; [544-76-3]
NIST Chemistry WebBook
for detail
Original Measurements:
Rogalski, M.; Stryjek, R., Bull. Acad. Pol. Sci., Ser. Sci. Chim. 28, 139-47 (1980).
Variables:
Temperature = 305 K to 430 K
Prepared By:
V. P. Sazonov
Experimental Data:
(Notes on the Nomenclature)
Mutual solubility of nitromethane and hexadecane
t/°C
T/K
10
2
* Mass Fraction w
1
(compiler)
Mole Fraction x
1
Comment(s)
31.9
305.05
1.56
0.0555
Hydrocarbon-rich phase
31.9
305.05
-
-
Nitromethane-rich phase
53.0
326.15
-
-
Hydrocarbon-rich phase
53.0
326.15
99.78
0.9994
Nitromethane-rich phase
53.1
326.25
2.89
0.0994
Hydrocarbon-rich phase
53.1
326.25
-
-
Nitromethane-rich phase
75.5
348.65
4.82
0.1581
Hydrocarbon-rich phase
75.5
348.65
-
-
Nitromethane-rich phase
77.4
350.55
-
-
Hydrocarbon-rich phase
77.4
350.55
99.67
0.9991
Nitromethane-rich phase
131.9
405.05
21.40
0.5025
Hydrocarbon-rich phase
131.9
405.05
-
-
Nitromethane-rich phase
138.9
412.05
-
-
Hydrocarbon-rich phase
138.9
412.05
87.40
0.9626
Nitromethane-rich phase
149.5
422.65
36.21
0.6780
Hydrocarbon-rich phase
149.5
422.65
-
-
Nitromethane-rich phase
151.5
424.65
-
-
Hydrocarbon-rich phase
151.5
424.65
78.20
0.9301
Nitromethane-rich phase
156.1
429.25
50.79
0.7929
Hydrocarbon-rich phase
156.1
429.25
-
-
Nitromethane-rich phase
156.3
429.45
-
-
Hydrocarbon-rich phase
156.3
429.45
60.75
0.8517
Nitromethane-rich phase
156.8
429.95
58.99
0.8422
Hydrocarbon-rich phase
156.8
429.95
58.99 (UCST)
0.8422
Nitromethane-rich phase
Method/Apparatus/Procedure:
The synthetic (Alekseev
1
) and, below 353 K, the titration methods were used. A glass device with a magnetic stirrer was filled with 5 to 10 mL of (1) then placed in a thermostat, stirred, and small amounts of the other component added until turbidity appeared. The sample was then heated to above the complete homogeneity temperature, then cooled until turbidity reappeared. Repeat determinations were made. Above 353 K, Alekseev's method was used. Samples, 4-5 g, were sealed in glass, placed in the thermostat, and the solubility temperature determined as above.
Source and Purity of Materials:
(1) Source not specified; purified by fractional distillation; 99.9 mass % purity.
(2) Source not specified; purified by crystallization; 99.9 mass % purity.
Estimated Errors:
Solubility: Composition: ±0.001 mole fraction.
Temperature: ± 0.1 K.
References:
1
V. F. Alekseev, Zh. Russ. Fiz.-Khim. O-va 8, 249 (1876).