IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: Octane with Water

Components:
   (1) Water; H2O; [7732-18-5]  NIST Chemistry WebBook for detail
   (2) Octane; C8H18; [111-65-9]  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 = 225 °C - 265 °C
   Pressure = 3.5-78.5 MPa

Prepared By:
   A. Maczynski

Experimental Data:   (Notes on the Nomenclature)

Solubility of water in octane
t/°C	Pressure [kg/cm**-2]	Pressure (compiler) [Mpa]	g₂/100 g solution (compiler)	Mole Fraction x₂
225	36	3.5	3.04	0.166
225	100	9.8	2.44	0.137
225	200	19.6	1.89	0.109
225	300	29.4	1.68	0.098
225	400	39.2	1.55	0.091
225	500	49.0	1.50	0.088
225	600	58.8	1.42	0.084
225	700	68.6	1.35	0.080
225	800	78.5	1.26	0.075
240	50	4.9	4.16	0.216
240	100	9.8	3.63	0.193
240	200	19.6	3.00	0.164
240	300	29.4	2.69	0.149
240	400	39.2	2.50	0.140
240	500	49.0	2.34	0.132
240	600	58.8	2.22	0.126
240	700	68.6	2.14	0.122
240	800	78.5	2.05	0.117
265	75	7.4	9.95	0.412
265	100	9.8	7.83	0.350
265	200	19.6	5.10	0.254
265	300	29.4	4.35	0.224
265	400	39.2	3.95	0.207
265	500	49.0	3.66	0.194
265	600	58.8	3.41	0.183
265	700	68.6	3.19	0.172
265	800	78.5	2.98	0.163

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.