Compilation - Nitromethane with 1-Decanol and Water (IUPAC SDS Volume 72)

SDS Volume (4551)

Volume 72. Nitromethane with Water or Organic Solvents: Ternary and Quaternary Systems, p None

Original Measurements

Sazonov, V. P.; Gromakovskaya, A. G.; Zh. Obshch. Khim. 47, 2168 (1977).

Variables:

Room Temp: 286 - 343 $\pu{K}$

Prepared by:

N.V. Sazonov, V.P. Sazonov

Method/Apparatus/Procedure:

The synthetic method (Alekseev [1]) was used. No experimental details given.

Source and Purity of Materials:
  1. Source not specified; pure grade reagent; dried and repeatedly distilled in a packed glass column; no impurities detectable by gas chromatography.
  2. Source not specified; pure grade reagent; dried and repeatedly distilled at vacuum; 99.5 mole% purity.
  3. Twice distilled.
Estimated Errors:

Ambient temperature: ±0.05 K.

References

1 Alekseev, V. F.; Zh. Russ. Fiz. -Khim. O-va 8, 249 (1876).

Components:
  1. Nitromethane, $\ce{ CH3NO2 }$; [75-52-5] NIST WebBook
  2. 1-Decanol, $\ce{ C10H22O }$; [112-30-1] NIST WebBook
  3. Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook
Experimental Data

The temperatures of phase transitions were determined in ternary mixtures with a constant mass content of (3), respectively, 10.0 and 40.0 mass %, and also in ternary mixtures with constant mass relationship of (1) and (2), respectively, 20.0:80.0, 40.0:60.0, 55.0:45.0, 70.0:30.0, and 85.0:15.0. L1 nitromethane-rich phase; L2 alcohol-rich phase; L3 water-rich phase. The phase which is being dissolved is indicated in the table.

Table 1. Solubility temperatures of three liquid phases
$T$ (°C) $T$ ($\pu{K}$) w1 w2 $x_{1}$ $x_{2}$
17.60290.75 0.0900.810 0.1210.422
30.70303.85 0.1350.765 0.1760.384
39.30312.45 0.1800.720 0.2260.349
40.70313.85 0.8100.090 0.6840.029
43.90317.05 0.2260.674 0.2740.315
45.05318.20 0.7660.134 0.6620.045
46.95320.10 0.2710.629 0.3180.285
48.45321.60 0.7200.180 0.6380.062
50.25323.40 0.3610.539 0.3980.228
50.30323.45 0.6750.225 0.6130.079
51.00324.15 0.6300.270 0.5870.097
51.25324.40 0.4510.449 0.4680.180
51.35324.50 0.5850.315 0.5600.116
51.40324.55 0.5400.360 0.5310.136
13.05286.20 0.0900.510 0.0550.120
28.20301.35 0.1210.479 0.0730.111
37.30310.45 0.1510.449 0.0900.103
41.90315.05 0.5410.059 0.2820.012
42.10315.25 0.1800.420 0.1060.095
46.00319.15 0.5100.090 0.2690.018
48.75321.90 0.2400.360 0.1380.080
49.20322.35 0.4810.119 0.2560.024
50.70323.85 0.4500.150 0.2420.031
50.90324.05 0.3000.300 0.1690.065
51.20324.35 0.4210.179 0.2280.037
51.35324.50 0.3600.240 0.1990.051
51.50324.65 0.3910.209 0.2140.044
21.5296.7 0.1930.770 0.3140.483
37.4310.6 0.1920.768 0.3080.475
39.7312.9 0.1910.767 0.3040.470
40.5313.7 0.1880.754 0.2780.431
40.8314.0 0.1900.763 0.2950.457
40.9314.1 0.1910.766 0.3020.467
29.6302.8 0.3840.576 0.5180.300
33.5306.7 0.3820.574 0.5080.294
43.5316.7 0.3810.571 0.4990.288
50.2323.4 0.3790.569 0.4890.283
25.6298.8 0.5300.434 0.6470.204
30.4303.6 0.5270.431 0.6310.199
37.7310.9 0.5250.429 0.6200.196
47.6320.8 0.5230.427 0.6100.192
51.3324.5 0.5210.426 0.6020.190
20.7293.9 0.6790.291 0.7600.126
31.8305.0 0.6760.289 0.7460.123
40.1313.3 0.6720.288 0.7310.121
45.2318.4 0.6690.287 0.7200.119
48.3321.5 0.6680.286 0.7150.118
51.0324.2 0.6660.285 0.7070.117
27.1300.3 0.8240.145 0.8370.057
36.0309.2 0.8200.145 0.8250.056
42.1315.3 0.8170.144 0.8130.055
45.0318.2 0.8140.143 0.8020.054
45.0318.2 0.8090.143 0.7880.054
45.0318.2 0.8050.142 0.7740.053

(a) Critical opalescence

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