IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

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 Solubility System: Ethanol with Toluene and Water

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Components:
   (1) Water; H2O; [7732-18-5]  NIST Chemistry WebBook for detail
   (2) Ethanol (ethyl alcohol); C2H6O; [64-17-5]  NIST Chemistry WebBook for detail
   (3) Toluene (methylbenzene); C7H8; [108-88-3]  NIST Chemistry WebBook for detail

Original Measurements:
   Borisova, I.A.; Vatskova, V.G.; Gorbunov, A.I.; Sokolov, N.M., Khim. Prom-st (Moscow) 347 (1978).

Variables:
   Temperature = 293 K - 253 K

Prepared By:
   A. Skrzecz

Experimental Data:   (Notes on the Nomenclature)
  

Compositions of coexisting phases

t/°C	T/K	Mass Fraction w1	Mass Fraction w2	Mole Fraction x1 (compiler)	Mole Fraction x2 (compiler)	Comment(s)
20	293.2	0.0000	0.9995	0.0000	0.9976	hydrocarbon-rich phase
20	293.2	0.0106	0.9886	0.0209	0.9751	hydrocarbon-rich phase
20	293.2	0.0250	0.9735	0.0485	0.9441	hydrocarbon-rich phase
20	293.2	0.0420	0.9550	0.0797	0.9058	hydrocarbon-rich phase
20	293.2	0.0570	0.9400	0.1066	0.8790	hydrocarbon-rich phase
20	293.2	0.1050	0.8900	0.1866	0.7907	hydrocarbon-rich phase
20	293.2	0.1550	0.8300	0.2548	0.6822	hydrocarbon-rich phase
20	293.2	0.2616	0.7076	0.3769	0.5097	hydrocarbon-rich phase
20	293.2	0.3720	0.5720	0.4643	0.3570	hydrocarbon-rich phase
20	293.2	0.0000	0.0005	0.0000	0.0001	water-rich phase
20	293.2	0.1750	0.0022	0.0767	0.0005	water-rich phase
20	293.2	0.3986	0.0041	0.2067	0.0011	water-rich phase
20	293.2	0.4205	0.0175	0.2253	0.0047	water-rich phase
20	293.2	0.4550	0.0300	0.2546	0.0084	water-rich phase
20	293.2	0.5500	0.0700	0.3533	0.0225	water-rich phase
20	293.2	0.5800	0.1950	0.4629	0.0778	water-rich phase
20	293.2	0.4960	0.3880	0.5027	0.1966	water-rich phase
20	293.2	0.3720	0.5720 (a)	0.4643	0.3570	water-rich phase
80.0	353.2	0.0316	0.9633	0.0600	0.9152	hydrocarbon-rich phase
80.0	353.2	0.1055	0.0034 (b)	0.0442	0.0007	water-rich phase
79.0	352.2	0.0343	0.9605	0.0650	0.9098	hydrocarbon-rich phase
79.0	352.2	0.1205	0.0037 (b)	0.0510	0.0008	water-rich phase
78.0	351.2	0.0372	0.9566	0.0700	0.9001	hydrocarbon-rich phase
78.0	351.2	0.1471	0.0042 (b)	0.0634	0.0009	water-rich phase
77.0	350.2	0.0468	0.9458	0.0869	0.8780	hydrocarbon-rich phase
77.0	350.2	0.1927	0.0054 (b)	0.0858	0.0012	water-rich phase
76.0	349.2	0.0604	0.9306	0.1101	0.8480	hydrocarbon-rich phase
76.0	349.2	0.2560	0.0128 (b)	0.1201	0.0030	water-rich phase
75.0	348.2	0.0774	0.9090	0.1366	0.8020	hydrocarbon-rich phase
75.0	348.2	0.3888	0.0580 (b)	0.2122	0.0158	water-rich phase
74.5	347.7	0.1834	0.7859	0.2801	0.6000	hydrocarbon-rich phase
74.5	347.7	0.4728	0.1891 (b)	0.3302	0.0660	water-rich phase
74.4	347.6	0.3324	0.5782	0.3910	0.3401	hydrocarbon-rich phase
74.4	347.6	0.4554	0.3644 (b)	0.4146	0.1659	water-rich phase
74.3	347.5	0.4020	0.4540	0.4031	0.2276	hydrocarbon-rich phase
74.3	347.5	0.4020	0.4540 (a,b,c)	0.4031	0.2276	water-rich phase

Notes:
   ^a  Critical solubility point.
   ^b  Temperature are the boiling temperatures of the two-phase mixtures.
   ^c  Boiling temperature estimated by the compiler.

Method/Apparatus/Procedure:
   The method of description of concentration of phase in equilibrium was the same as reported in Ref. 1. No more details were reported in the paper.

Source and Purity of Materials:
   (1) Source not specified; properties were in agreement with literature data.
   (2) Source not specified; properties were in agreement with literature data.
   (3) Source not specified.

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

References:
   ¹ A. S. Mozzhukhin, L. A. Serafimov, and V. A. Mitropolskaya, Zh. Fiz. Khim. 41, 1687 (1967).

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