Compilation - Nitromethane with Formic acid and Water (IUPAC SDS Volume 72)

SDS Volume (4442)

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

Original Measurements

Maslovskaya, N. V.; Dissertation, Kalinin University, 1974.

Variables:

Room Temp: 293 and 313 $\pu{K}$

Prepared by:

V.P. Sazonov

Method/Apparatus/Procedure:

Two methods were used. The solubility curve was determined by the titration method. The analytical method was used, samples being withdrawn from coexisting liquid phases at equilibrium for analysis by refractometry.

Source and Purity of Materials:
  1. Source not specified, pure grade reagent; distilled;
    BP = 101.0°C; $n_{D}^{20}$ = 1.3818, $d_{4}^{20}$ = 1.1385.
  2. Source not specified, pure grade reagent; distilled; BP = 105.0°C; $n_{D}^{20}$ = 1.3701, $d_{4}^{20}$ = 1.2030.
  3. doubly distilled.
Estimated Errors:

Ambient temperature: Not reported.

Components:
  1. Nitromethane, $\ce{ CH3NO2 }$; [75-52-5] NIST WebBook
  2. Formic acid, $\ce{ CH2O2 }$; [64-18-6] NIST WebBook
  3. Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook
Experimental Data
Table 1. Mutual solubility of nitromethane, formic acid and water
$T$ (°C) $T$ ($\pu{K}$) w1 w2 $x_{1}$ $x_{2}$
40.0313.2 0.10000.0000 0.03180.0000
40.0313.2 0.13400.0440 0.04500.0196
40.0313.2 0.17960.0788 0.06420.0374
40.0313.2 0.21300.1168 0.08070.0587
40.0313.2 0.28900.1483 0.12080.0822
40.0313.2 0.32400.1632 0.14230.0950
40.0313.2 0.35820.1635 0.16320.0988
40.0313.2 0.38600.1660 0.18180.1036
40.0313.2 0.43300.1685 0.21580.1114
40.0313.2 0.48800.1650 0.25930.1162
40.0313.2 0.54600.1600 0.31130.1210
40.0313.2 0.56600.1558 0.33000.1205
40.0313.2 0.62000.1403 0.38320.1150
40.0313.2 0.68000.1203 0.44860.1052
40.0313.2 0.75100.0922 0.53470.0871
40.0313.2 0.83400.0605 0.65590.0631
40.0313.2 0.96000.0000 0.87630.0000

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