Nitromethane with Naphthalene and Water (IUPAC SDS Volume 72)

SDS Volume

Volume 72. Nitromethane with Water or Organic Solvents: Ternary and Quaternary Systems, p 1524

Source Publication

Sazonov, V. P.; Chernysheva, M. F.; Zh. Prikl. Khim. 52, 2710 (1979).

Conditions:

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

Compiler:

V.P. Sazonov

Methodology:

The analytical method was used. Thermostated glass vessels (15 mL capacity) were agitated with the aid of a sealed magnetic stirrer. Mixtures were held 1.5 to 2 hrs with periodic stirring, and samples of liquid phases were taken with a MSh-10 microsyringe through a rubber stopper. Compositions of equilibrium liquid phases were determined by gas chromatography.

Sample Information:
  1. Source not specified, pure grade reagent; dried and twice distilled in packed column of 20 theoretical plates; no impurities detectable by GLC.
  2. Source not specified, analytical purity; purified recrystallization; MP = 80.2°C.
  3. Twice distilled.
Measurement Errors:

Ambient temperature: control to ±0.02 K.

System Components:
  1. Nitromethane, $\ce{ CH3NO2 }$; [75-52-5] NIST WebBook
  2. Naphthalene, $\ce{ C10H8 }$; [91-20-3] NIST WebBook
  3. Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook
Experimental Data
$T$ (°C) $T$ ($\pu{K}$) w1 w2 $x_{1}$ $x_{2}$
20.0293.2 0.9400.041 0.9180.019
20.0293.2 0.9080.074 0.9040.035
20.0293.2 0.8780.106 0.8930.051
20.0293.2 0.8790.110b 0.9070.054b
20.0293.2 -- --
23.0295.2 0.9460.034 0.9180.016
23.0295.2 0.9120.070 0.9060.033
23.0295.2 0.8620.122 0.8850.059
23.0295.2 0.8590.132b 0.8990.065b
23.0295.2 -- --
40.0313.2 0.9250.039 0.8680.017
40.0313.2 0.8890.075 0.8490.034
40.0313.2 0.8350.136 0.8370.065
40.0313.2 0.7670.209 0.8090.105
40.0313.2 0.6750.307 0.7650.166
40.0313.2 0.6690.323b 0.7870.181b
40.0313.2 -- --
20.0293.2 0.1031 x 10-4 0.0331 x 10-4
20.0293.2 0.0991 x 10-3 0.0311 x 10-3
20.0293.2 0.0941 x 10-3a 0.0291 x 10-3a
20.0293.2 -- --
20.0293.2 0.0561 x 10-3b 0.0181 x 10-4b
23.0295.2 0.1071 x 10-4 0.0341 x 10-4
23.0295.2 0.1011 x 10-3 0.0311 x 10-3
23.0295.2 0.0961 x 10-3a 0.0301 x 10-3a
23.0295.2 -- --
23.0295.2 0.0531 x 10-3b 0.1161 x 10-4b
40.0313.2 0.1311 x 10-4 0.0431 x 10-4
40.0313.2 0.1281 x 10-3 0.0421 x 10-3
40.0313.2 0.1261 x 10-3 0.0411 x 10-3
40.0313.2 0.1232 x 10-3 0.0402 x 10-3
40.0313.2 0.1212 x 10-3a 0.0392 x 10-3a
40.0313.2 -- --
40.0313.2 0.0501 x 10-3b 0.0151 x 10-3b

(a) Equilibrium of two liquid phases with the solid phase.

(b) Equilibrium of liquid phase with the solid phase.

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