Solubility System: Nitromethane with Benzene and Cyclohexane
Components:

(1) Nitromethane, CH3NO2 ; [75-52-5] NIST WebBook
(2) Benzene, C6H6; [71-43-2] NIST WebBook
(3) Cyclohexane, C6H12; [110-82-7] NIST WebBook

Original Measurements

Suri, S. K.; Talanta 17, 577 (1970).

Variables:

Ambient temperature: 313 K

Prepared by:

V.P. Sazonov

Method/Apparatus/Procedure:

The titration method, as described in Dunnery and Atwood,2 was used. Solutions and solvents were thermally equilibrated and held at constant temperature during titrations. Enough solution was taken to give a titer of 10 to 20 mL.

Source and Purity of Materials:
  1. Source not specified; purified by methods as in Weissberger1; ρ(30°C) = 1125.0 g L-1,ρ(40°C) = 1110.8 g · L-1.
  2. Source not specified; purified by methods as in Weissberger1; ρ(30°C) = 868.5 g L-1, ρ(40°C) = 857.5 g·L-1.
  3. Source not specified; purified by methods as in Weissberger1; ρ(30°C) = 769.4 g L-1.ρ(40°C) = 759.6 g·L-1 .
Estimated Errors:

Ambient temperature: control to ±0.1 K.

References

1 Weissberger, A.; Technique of Organic Chemistry. Interscience, New York, 1959.
2 Dunnery, D. A.; Atwood, G. R.; Talanta 15, 855 (1968).

Experimental Values:
Mutual solubility of nitromethane, benzene and cyclohexane
T (°C) T (K) w1 w2 x1 x2
40.0 313.2 5.1 x 10-2 1.5 x 10-2 6.9 x 10-2 1.6 x 10-2
40.0 313.2 7.3 x 10-2 8.9 x 10-2 9.7 x 10-2 9.3 x 10-2
40.0 313.2 1.54 x 10-1 1.93 x 10-1 1.98 x 10-1 1.94 x 10-1
40.0 313.2 1.82 x 10-1 2.22 x 10-1 2.31 x 10-1 2.20 x 10-1
40.0 313.2 2.52 x 10-1 2.41 x 10-1 3.12 x 10-1 2.33 x 10-1
40.0 313.2 3.41 x 10-1 2.38 x 10-1 4.10 x 10-1 2.23 x 10-1
40.0 313.2 4.21 x 10-1 2.29 x 10-1 4.93 x 10-1 2.10 x 10-1
40.0 313.2 5.39 x 10-1 2.11 x 10-1 6.09 x 10-1 1.86 x 10-1
40.0 313.2 6.25 x 10-1 1.82 x 10-1 6.89 x 10-1 1.57 x 10-1
40.0 313.2 6.92 x 10-1 1.54 x 10-1 7.49 x 10-1 1.30 x 10-1
40.0 313.2 7.78 x 10-1 1.06 x 10-1 8.23 x 10-1 8.8 x 10-2
40.0 313.2 8.53 x 10-1 5.5 x 10-2 8.86 x 10-1 4.5 x 10-2

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