SDS Volume (4377)

Volume 71. Nitromethane with Water or Organic Solvents, p None

Original Measurements

Riccardi, R.; Franzosini, P.; Rolla, M.; Z. Naturforsch. A 23, 1816-8 (1968).

Variables:

Room Temp: 362 - 375 $\pu{K}$

Prepared by:

V.P. Sazonov

Method/Apparatus/Procedure:

The synthetic method [1] was used. Tubes were filled under vacuum with known masses of degassed and moisture-free components, sealed, and then placed in a thermostat bath filled with paraffin oil. The mixtures in the tubes were shaken by a Chemap vibromixer type E-1. Temperatures were measured with Degussa $\ce{Pt}$ resistance thermometers, which were checked against standards. Phase changes (cloud points) were observed as mixtures were cooled.

Source and Purity of Materials:
  1. Fluka AG; purity 99 mole%; fractionally distilled, degassed and finally distilled through a $\ce{P2O5}$ filled tube.
  2. Fluka AG; purity 99 mole%; purification as above.
Estimated Errors:

Ambient temperature: reproduced better than 0.1K.

References

1 Franzosini, P.; Z. Naturforsch. A 18, 224 (1963).

Components:
  1. Nitromethane, $\ce{ CH3NO2 }$; [75-52-5] NIST WebBook
  2. Cycloheptane, $\ce{ C7H14 }$; [291-64-5] NIST WebBook
Experimental Data

The numerical data were not included in the original publication but were provided by Professor R. Riccardi at the request of the compiler.

Mutual solubility of nitromethane and cycloheptane
$T$ (°C) $T$ ($\pu{K}$) $x_{1}$ 100w1
88.8362.0 - -
88.8362.0 0.850 77.9
96.2369.4 - -
96.2369.4 0.792 70.3
96.3369.5 0.333 23.7
96.3369.5 - -
97.3370.5 - -
97.3370.5 0.779 68.7
98.7371.9 0.363 26.2
98.7371.9 - -
99.3372.5 - -
99.3372.5 0.743 64.3
100.2373.4 0.415 30.6
100.2373.4 - -
100.8374.0 0.477 36.2
100.8374.0 - -
100.9374.1 0.511 39.4
100.9374.1 - -
101.3374.5 0.590 47.2
101.3374.5 - -
101.4374.6 - -
101.4374.6 0.670 55.8
101.4374.6 - -
101.4374.6 - -

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