IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: 1-Nitropropane with Tricosane

Components:
   (1) 1-Nitropropane; C3H7NO2; [108-03-2]  NIST Chemistry WebBook for detail
   (2) Tricosane; C23H48; [638-67-5]  NIST Chemistry WebBook for detail

Original Measurements:
   Rakhmanova, V.A.; Kozlov, L.M., Khim. Tekhnol. Topl. Masel (8), 9-13 (1970).

Variables:
   Temperature = 303 K to 332 K

Prepared By:
   V. P. Sazonov and N. V. Sazonov

Experimental Remarks:

   The mutual solubility of 1-nitropropane and tricosane in mass percent over the specified temperature range were presented in a graphical form in the original publication. The authors at the request of the compiler provided the numerical data in the table below.

Monotectic equilibrium occurs at 45.3 °C (318.5 K, compilers).

Experimental Data: (Notes on the Nomenclature)

Mutual solubility of 1-nitropropane (1) and tricosane (2)
t/°C	T/K	10² * Mass Fraction w₁	Mole Fraction x₁ (compiler)	Comment(s)
30.0 a	303.2	-	-	hydrocarbon-rich phase
35.0 a	308.2	-	-	hydrocarbon-rich phase
40.0 a	313.2	-	-	hydrocarbon-rich phase
45.3 a	318.5	22.0	0.507	hydrocarbon-rich phase
46.0 a	319.2	11.2	0.315	hydrocarbon-rich phase
48.8 b	322.0	31.7	0.628	hydrocarbon-rich phase
51.8 b	325.0	39.7	0.706	hydrocarbon-rich phase
52.1 b	325.3	-	-	hydrocarbon-rich phase
54.5 b	327.7	45.0	0.749	hydrocarbon-rich phase
54.6 b	327.8	-	-	hydrocarbon-rich phase
55.6 b	328.8	47.7	0.769	hydrocarbon-rich phase
56.9 b	329.1	-	-	hydrocarbon-rich phase
57.7 b	330.0	55.8	0.821	hydrocarbon-rich phase
58.5 b	331.7	65.0	0.871	hydrocarbon-rich phase

Mutual solubility of 1-nitropropane (1) and tricosane (2)
t/°C	T/K	10² * Mass Fraction w₁	Mole Fraction x₁ (compiler)	Comment(s)
30.0 a	303.2	99.2	0.998	nitropropane-rich phase
35.0 a	308.2	97.8	0.994	nitropropane-rich phase
40.0 a	313.2	94.2	0.983	nitropropane-rich phase
45.3 a	318.5	89.7	0.969	nitropropane-rich phase
46.0 a	319.2	-	-	nitropropane-rich phase
48.8 b	322.0	-	-	nitropropane-rich phase
51.8 b	325.0	-	-	nitropropane-rich phase
52.1 b	325.3	83.3	0.948	nitropropane-rich phase
54.5 b	327.7	-	-	nitropropane-rich phase
54.6 b	327.8	80.0	0.936	nitropropane-rich phase
55.6 b	328.8	-	-	nitropropane-rich phase
56.9 b	329.1	74.7	0.915	nitropropane-rich phase
57.7 b	330.0	-	-	nitropropane-rich phase
58.5 b	331.7	65.0	0.871 (UCST)	nitropropane-rich phase

Notes:
   ^a  Solid-liquid equilibrium.
   ^b  Liquid-liquid equilibrium.

Method/Apparatus/Procedure:
   The synthetic method was used. No details were reported.

Source and Purity of Materials:
   (1) Source not specified; purity not specified; purified.
   (2) Source not specified; purity not specified; b. p. = 383.8°C, m. p. = 47.7°C.

Estimated Errors:
   Solubility: Not reported.
   Temperature: Not reported.