Components:

(1) Nitroethane, C2H5NO2; [79-24-3] NIST WebBook
(2) 1-Nitropropane, C3H7NO2; [108-03-2] NIST WebBook
(3) 2-Nitropropane, C3H7NO2; [79-46-9] NIST WebBook
(4) Oil fraction of Tuimazin crude, None; [mix-06] NIST WebBook

Original Measurements

Pol'shinskii, V. V.; Kozlov, L. M.; Chem. Technol. Fuels Oils 1970, 6(10), 730-734.

Variables:

Ambient temperature: 255 - 334 K

Prepared by:

N.I. Lisov, V.P. Sazonov

Method/Apparatus/Procedure:

The method, described in Bondarev and Kozlov1 was used. No experimental details given.

Source and Purity of Materials:
  1. Obtained by nitration gas distillate; contained 23 vol.% nitroethane, 48.7 vol.% 1-nitropropane and 28.3 vol.% 2-nitropropane; n(20°C,D) = 1.3975; d(20°C, 4°C) = 1.0088.
  2. Obtained by nitration gas distillate; contained 23 vol.% nitroethane, 48.7 vol.% 1-nitropropane and 28.3 vol.% 2-nitropropane; n(20°C,D) = 1.3975; d(20°C, 4°C) = 1.0088.
  3. Obtained by nitration gas distillate; contained 23 vol.% nitroethane, 48.7 vol.% 1-nitropropane and 28.3 vol.% 2-nitropropane; n(20°C,D) = 1.3975; d(20°C, 4°C) = 1.0088.
  4. Obtained by distillation of Tuimazin crude between 440 and 520°C; stocks obtained by division of oil fraction on silica gel by liquid chromatography
Estimated Errors:

Ambient temperature: Not specified.
Mass concentration (m/v) (1): Not specified.

References

1 Bondarev, S. V.; Kozlov, L. M.; Chem. Technol. Fuels Oils 4(10), 720-724 (1968)

Experimental Values:
Note: Values of critical solution temperatures of mixed nitroparaffins (1-3) and stocks of fractions of Tuimazin crude (2) were presented in graphical form over the temperature range.
Mean values of critical solution temperatures of mixture nitroparaffins (1-3) and stocks of oil fraction of Tuimazin crude (2)
T (°C) T (K) ρ (g/cm3) n
-18.5 254.7 1.0232 - 1.0479 1.5787-1.5979
-3.5 269.7 0.9706 - 0.9921 1.5430-1.5623
21.5 294.7 9.176 x 10-1 1.509
61.0 334.2 0.8195 - 0.8667 1.420-1.4756

(*) n(70°C,D)

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