Compilation - Nitromethane with Diiodomethane and Cyclohexane (IUPAC SDS Volume 72)

SDS Volume (4561)

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

Original Measurements

Sazonov, V. P.; Zhilyaeva, I. N.; Gudkina, L. V.; Zh. Prikl. Khim. 48, 1953-7 (1975).

Variables:

Room Temp: 283 - 317 $\pu{K}$

Prepared by:

N.V. Sazonov, V.P. Sazonov

Method/Apparatus/Procedure:

The synthetic method and titration method were used. The apparatus and procedure were described in Zhilyaeva [1].

Source and Purity of Materials:
  1. Source not specified; pure grade reagent; dried and twice distilled in a glass packed column; $n_{D}^{20}$ = 1.3820, $d_{4}^{20}$ = 1.1381.
  2. Source not specified; analytical purity; dried and twice distilled in presence of zinc dust under vacuum; $d_{4}^{20}$ = 3.3214.
  3. Source not specified; pure grade reagent; dried and twice distilled.
Estimated Errors:

Ambient temperature: ±0.01 K.

References

1 Zhilyaeva, I. N.; Ph.D. Dissertation, Novosibirsk Institute of Inorganic Chemistry, Russia, 1972.

Components:
  1. Nitromethane, $\ce{ CH3NO2 }$; [75-52-5] NIST WebBook
  2. Diiodomethane, $\ce{ CH2I2 }$; [75-11-6] NIST WebBook
  3. Cyclohexane, $\ce{ C6H12 }$; [110-82-7] NIST WebBook
Experimental Data

The temperatures of phase transitions were determined in ternary mixtures with a constant mass content of (1), respectively, 20.0, 30.0, 40.0, and 50.0 mass %, and also in ternary mixtures with a constant mass relationship of (2) and (3) as 67.5:32.5, 72.5:27.5, and 80.0:20.0, respectively. L1 nitromethane-rich phase; L2 diiodomethane-rich phase; L3 cyclohexane-rich phase. The phase which is being dissolved is indicated in the table.

Table 1. Solubility temperatures of the three liquid phases
$T$ (°C) $T$ ($\pu{K}$) w1 w2 $x_{1}$ $x_{2}$
9.48282.60 0.2000.680 0.4520.351
10.63283.78 0.2000.500 0.3760.215
10.78283.90 0.2000.520 0.3830.227
10.82283.97 0.2000.660 0.4420.333
11.43284.58 0.2000.540 0.3910.240
11.52284.77 0.2000.640 0.4330.316
11.71284.86 0.2000.560 0.3990.254
11.82284.97 0.2000.620 0.4240.299
11.92285.07 0.2000.580 0.4070.269
11.97285.12 0.2000.600 0.4150.284
9.77282.92 0.3000.595 0.5860.265
10.48283.63 0.3000.472 0.5240.188
11.19284.34 0.3000.577 0.5760.253
11.21284.36 0.3000.490 0.5320.198
11.64284.79 0.3000.508 0.5400.208
11.75284.90 0.3000.560 0.5670.241
11.84284.99 0.3000.525 0.5490.219
11.90285.05 0.3000.543 0.5580.230
9.43282.58 0.4000.420 0.6390.153
10.28283.43 0.4000.510 0.6880.200
10.62283.77 0.4000.435 0.6460.160
11.43284.58 0.4000.450 0.6540.168
11.56284.71 0.4000.495 0.6790.192
11.85285.00 0.4000.465 0.6620.176
11.92285.07 0.4000.480 0.6710.183
9.52282.67 0.5000.388 0.7460.132
11.02284.17 0.5000.400 0.7530.137
11.32284.47 0.5000.425 0.7680.149
11.88285.03 0.5000.412 0.7600.143
11.52284.67 0.06620.6303 0.15400.3341
11.67284.82 0.07460.6709 0.18110.3710
11.67284.82 0.08900.6605 0.21130.3574
10.71283.86 0.12130.7030 0.29660.3918
11.28284.43 0.08670.7306 0.22480.4317

(a) Critical opalescence.

(a) Critical opalescence.

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