IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: Cyclohexane with Water

Components:
   (1) Cyclohexane; C6H12; [110-82-7]  NIST Chemistry WebBook for detail
   (2) Water; H2O; [7732-18-5]  NIST Chemistry WebBook for detail

Original Measurements:
   Skripka, V.G., Tr. Vses. Neftegazov. Nauch. Issled. Inst. 1976, 61, 139-51. Sultanov, R.G.; Skripka, V.G., Zh. Fiz. Khim. 1973, 47, 1035.

Variables:
   Temperature = 200-250 °C
   Pressure = 2.8-78.5 Mpa

Prepared By:
   A. Maczynski

Experimental Data:   (Notes on the Nomenclature)

Solubility of water in cyclohexane
t/°C	Pressure [kg cm**-2]	Pressure (compiler) [MPa]	g₂/100 g solution (compiler)	Mole Fraction x₂
200	29	2.8	3.81	0.156
200	50	4.9	2.10	0.091
200	100	9.8	1.16	0.052
200	150	14.7	1.02	0.046
200	200	19.6	0.95	0.043
200	300	29.4	0.93	0.042
200	400	39.2	0.93	0.042
200	500	49.0	0.93	0.042
200	600	58.8	0.93	0.042
200	700	68.6	0.93	0.042
200	800	78.5	0.91	0.041
225	46.2	4.5	6.01	0.230
225	50	4.9	5.35	0.209
225	100	9.8	3.05	0.128
225	150	14.7	2.32	0.100
225	200	19.6	2.00	0.087
225	300	29.4	1.92	0.084
225	400	39.2	1.83	0.080
225	500	49.0	1.73	0.076
225	600	58.8	1.63	0.072
225	700	68.6	1.54	0.068
225	800	78.5	1.23	0.055
250	70	6.9	10.13	0.345
250	100	9.8	6.07	0.232
250	150	14.7	4.55	0.182
250	200	19.6	4.06	0.165
250	300	29.4	3.50	0.145
250	400	39.2	3.13	0.131
250	500	49.0	2.89	0.122
250	600	58.8	2.68	0.114
250	700	68.6	2.47	0.106
250	800	78.5	2.32	0.100

Method/Apparatus/Procedure:
   The experimental technique was described in ref 1. No details reported in the paper.

Source and Purity of Materials:
   (1) source not specified, chemical reagent grade; purity not specified; used as received.
   (2) distilled

Estimated Errors:

   Temperature: not specified.

References:
   ¹Sultanov, R.G.; Skripka, V.G.; Namiot, A.Yu. Gazov. Prom. 1971, 4, 6.