IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

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 Solubility System: Nitroethane with 2,2’-Iminobisethanol and Cyclohexane

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Components:
   (1) 2,2’-Iminobisethanol; C4H11NO2; [111-42-2]  NIST Chemistry WebBook for detail
   (2) Cyclohexane; C6H12; [110-82-7]  NIST Chemistry WebBook for detail
   (3) Nitroethane; C2H5NO2; [79-24-3]  NIST Chemistry WebBook for detail

Original Measurements:
   Erofeeva, L.F.; Yunnikova, N.V., Sb. Nauch. Tr., Kuzbas. Polytekh. Inst. 26, 7-11 (1971).

Variables:
   Temperature = 279 K to 368 K

Prepared By:
   N. I. Lisov, V. P. Sazonov and N. V. Sazonov

Experimental Remarks:

   The solubility temperatures of liquid phases were determined in ternary mixtures with a constant mass content of (2), respectively 30.0, 50.0 and 70.0 mass %, and in ternary mixtures with a constant mass relationship of (1) and (3), respectively 30.0:70.0, 50.0:50.0, 70.0:30.0, 80.0:20.0 and 90.0:10.0 (see Tables 1-3).

Experimental Data:   (Notes on the Nomenclature)
  

Table 1. Solubility temperatures of the three liquid phases

t/°C	T/K	102 * Mass Fraction w1	102 * Mass Fraction w2	Mole Fraction x1 (compiler)	Mole Fraction x2 (compiler)	Comment(s)
5.5	278.7	60.0	30.0	0.664	0.237	constant mass content of 2,2’-iminobisethanol = 30.0
8.1	281.3	10.0	30.0	0.118	0.252	constant mass content of 2,2’-iminobisethanol = 30.0
15.0	288.2	50.0	30.0	0.560	0.240	constant mass content of 2,2’-iminobisethanol = 30.0
20.2	293.4	20.0	30.0	0.233	0.249	constant mass content of 2,2’-iminobisethanol = 30.0
22.5	295.7	40.0	30.0	0.454	0.243	constant mass content of 2,2’-iminobisethanol = 30.0
23.9	297.1	30.0	30.0	0.344	0.246	constant mass content of 2,2’-iminobisethanol = 30.0
9.5	282.7	10.0	50.0	0.123	0.439	constant mass content of 2,2’-iminobisethanol = 50.0
16.1	289.3	35.0	50.0	0.416	0.425	constant mass content of 2,2’-iminobisethanol = 50.0
20.1	293.3	15.0	50.0	0.183	0.436	constant mass content of 2,2’-iminobisethanol = 50.0
22.0	295.2	30.0	50.0	0.359	0.427	constant mass content of 2,2’-iminobisethanol = 50.0
23.9	297.1	25.0	50.0	0.301	0.430	constant mass content of 2,2’-iminobisethanol = 50.0
23.9	297.1	20.0	50.0	0.243	0.433	constant mass content of 2,2’-iminobisethanol = 50.0
17.5	290.7	10.0	70.0	0.129	0.642	constant mass content of 2,2’-iminobisethanol = 70.0
19.1	292.3	20.0	70.0	0.254	0.633	constant mass content of 2,2’-iminobisethanol = 70.0
23.9	297.1	15.0	70.0	0.191	0.638	constant mass content of 2,2’-iminobisethanol = 70.0

Table 2. Solubility temperatures of the two liquid phases

t/°C	T/K	102 * Mass Fraction w1	102 * Mass Fraction w2	Mole Fraction x1 (compiler)	Mole Fraction x2 (compiler)	Comment(s)
40.5	313.7	0.9	97.0	0.012	0.962	constant mass relationship nitroethane : cyclohexane = 30.0 : 70.0
42.0	315.2	29.9	0.3	0.324	0.002	constant mass relationship nitroethane : cyclohexane = 30.0 : 70.0
60.0	333.2	1.0	96.5	0.014	0.955	constant mass relationship nitroethane : cyclohexane = 30.0 : 70.0
77.0	350.2	1.5	95.0	0.021	0.936	constant mass relationship nitroethane : cyclohexane = 30.0 : 70.0
81.5	354.7	29.5	1.5	0.320	0.012	constant mass relationship nitroethane : cyclohexane = 30.0 : 70.0
88.0	361.2	2.4	92.0	0.033	0.899	constant mass relationship nitroethane : cyclohexane = 30.0 : 70.0
89.0	362.2	29.4	2.0	0.319	0.016	constant mass relationship nitroethane : cyclohexane = 30.0 : 70.0
39.0	312.2	2.5	95.0	0.034	0.935	constant mass relationship nitroethane : cyclohexane = 50.0 : 50.0
56.2	329.4	49.7	0.6	0.526	0.005	constant mass relationship nitroethane : cyclohexane = 50.0 : 50.0
62.0	335.2	49.4	1.2	0.524	0.009	constant mass relationship nitroethane : cyclohexane = 50.0 : 50.0
80.0	353.2	4.5	91.0	0.061	0.884	constant mass relationship nitroethane : cyclohexane = 50.0 : 50.0
82.0	363.2	48.3	3.5	0.514	0.027	constant mass relationship nitroethane : cyclohexane = 50.0 : 50.0
90.0	363.2	47.3	5.5	0.506	0.042	constant mass relationship nitroethane : cyclohexane = 50.0 : 50.0
90.0	363.2	5.0	90.0	0.068	0.872	constant mass relationship nitroethane : cyclohexane = 50.0 : 50.0
49.0	322.2	7.0	90.0	0.095	0.869	constant mass relationship nitroethane : cyclohexane = 70.0 : 30.0
63.5	336.7	68.9	1.6	0.715	0.012	constant mass relationship nitroethane : cyclohexane = 70.0 : 30.0
77.0	350.2	68.3	2.5	0.710	0.019	constant mass relationship nitroethane : cyclohexane = 70.0 : 30.0
80.0	353.2	9.8	86.0	0.131	0.819	constant mass relationship nitroethane : cyclohexane = 70.0 : 30.0
90.0	363.2	10.9	84.5	0.145	0.801	constant mass relationship nitroethane : cyclohexane = 70.0 : 30.0
91.0	364.2	66.1	5.6	0.693	0.042	constant mass relationship nitroethane : cyclohexane = 70.0 : 30.0
33.5	306.7	10.8	86.5	0.144	0.824	constant mass relationship nitroethane : cyclohexane = 80.0 : 20.0
43.6	316.8	79.0	1.2	0.810	0.009	constant mass relationship nitroethane : cyclohexane = 80.0 : 20.0
62.5	335.7	78.3	2.1	0.805	0.015	constant mass relationship nitroethane : cyclohexane = 80.0 : 20.0
79.0	352.2	76.4	4.5	0.791	0.033	constant mass relationship nitroethane : cyclohexane = 80.0 : 20.0
82.0	355.2	20.0	75.0	0.256	0.686	constant mass relationship nitroethane : cyclohexane = 80.0 : 20.0
89.0	362.2	72.9	8.9	0.763	0.067	constant mass relationship nitroethane : cyclohexane = 80.0 : 20.0
90.0	363.2	23.2	71.0	0.293	0.641	constant mass relationship nitroethane : cyclohexane = 80.0 : 20.0
33.2	306.4	20.4	77.3	0.263	0.711	constant mass relationship nitroethane : cyclohexane = 90.0 : 10.0
51.0	324.2	21.9	75.7	0.280	0.692	constant mass relationship nitroethane : cyclohexane = 90.0 : 10.0
59.5	332.7	88.5	1.7	0.899	0.012	constant mass relationship nitroethane : cyclohexane = 90.0 : 10.0
60.0	333.2	23.4	74.0	0.298	0.673	constant mass relationship nitroethane : cyclohexane = 90.0 : 10.0
70.0	343.2	26.6	70.4	0.334	0.632	constant mass relationship nitroethane : cyclohexane = 90.0 : 10.0
71.8	345.0	85.6	4.9	0.877	0.036	constant mass relationship nitroethane : cyclohexane = 90.0 : 10.0
80.0	353.2	31.6	64.9	0.390	0.572	constant mass relationship nitroethane : cyclohexane = 90.0 : 10.0
82.1	355.3	81.3	9.7	0.845	0.072	constant mass relationship nitroethane : cyclohexane = 90.0 : 10.0
85.9	359.1	36.0	60.0	0.437	0.520	constant mass relationship nitroethane : cyclohexane = 90.0 : 10.0
87.2	360.4	76.4	15.1	0.806	0.114	constant mass relationship nitroethane : cyclohexane = 90.0 : 10.0
90.1	363.3	71.5	20.5	0.767	0.157	constant mass relationship nitroethane : cyclohexane = 90.0 : 10.0
92.1	365.3	45.0	50.0	0.529	0.419	constant mass relationship nitroethane : cyclohexane = 90.0 : 10.0
95.0	368.2	63.0	30.0	0.695	0.236	constant mass relationship nitroethane : cyclohexane = 90.0 : 10.0
95.0	368.2	54.0	40.0	0.614	0.325	constant mass relationship nitroethane : cyclohexane = 90.0 : 10.0

Table 3. Compositions of two and three coexisting liquid phases system*

t/°C	T/K	102 * Mass Fraction w1	102 * Mass Fraction w2	Mole Fraction x1 (compiler)	Mole Fraction x2 (compiler)	Comment(s)
20.0	293.2	61.4	0.7	0.642	0.005	nitroethane-rich phase
20.0	293.2	67.5	0.7	0.701	0.005	nitroethane-rich phase
20.0	293.2	75.7	0.8	0.778	0.006	nitroethane-rich phase
20.0	293.2	86.1	1.0	0.876	0.007	nitroethane-rich phase
20.0	293.2	-	-	-	-	nitroethane-rich phase
20.0	293.2	-	-	-	-	nitroethane-rich phase

Table 4. Compositions of two and three coexisting liquid phases system*

t/°C	T/K	102 * Mass Fraction w1	102 * Mass Fraction w2	Mole Fraction x1 (compiler)	Mole Fraction x2 (compiler)	Comment(s)
20.0	293.2	7.2	90.9	0.098	0.879	iminobisethanol-rich phase
20.0	293.2	12.4	86.2	0.165	0.818	iminobisethanol-rich phase
20.0	293.2	17.5	81.4	0.228	0.759	iminobisethanol-rich phase
20.0	293.2	20.6	78.4	0.266	0.723	iminobisethanol-rich phase
20.0	293.2	3.3	94.8	0.045	0.931	iminobisethanol-rich phase
20.0	293.2	1.6	96.9	0.022	0.959	iminobisethanol-rich phase

Table 5. Compositions of two and three coexisting liquid phases system*

t/°C	T/K	102 * Mass Fraction w1	102 * Mass Fraction w2	Mole Fraction x1 (compiler)	Mole Fraction x2 (compiler)	Comment(s)
20.0	293.2	23.7	0.6	0.259	0.005	hydrocarbon-rich phase
20.0	293.2	-	-	-	-	hydrocarbon-rich phase
20.0	293.2	-	-	-	-	hydrocarbon-rich phase
20.0	293.2	-	-	-	-	hydrocarbon-rich phase
20.0	293.2	16.5	0.5	0.181	0.004	hydrocarbon-rich phase
20.0	293.2	7.2	0.4	0.080	0.003	hydrocarbon-rich phase

Notes:
   Table 3  ^*  The compilers extracted these data from the published graphs.

Method/Apparatus/Procedure:
   Two methods were used. The solubility temperatures are determined by the synthetic method. The analytical method was used for determining of equilibrium liquid phase composition. Samples from coexisting liquid phases at equilibrium were analyzed by refractometry. No experimental details given.

Source and Purity of Materials:
   (1) Source not specified; pure grade reagent; distilled.
   (2) Source not specified; pure grade reagent.
   (3) Source not specified; pure grade reagent; distilled.

Estimated Errors:
   Solubility: Not specified.
   Temperature: Not specified.

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Last updated: February 18, 2015 (Created: August 17, 2007)