IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: Benzene with Water

Components:
   (1) Water; H2O; [7732-18-5]  NIST Chemistry WebBook for detail
   (2) Benzene; C6H6; [71-43-2]  NIST Chemistry WebBook for detail

Original Measurements:
   Connolly, J.F., J. Chem. Eng. Data 1966, 11, 13-6.

Variables:
   Temperature = 260-300 °C
   Pressure = 100-800 atm

Prepared By:
   A. Maczynski and Z. Maczynska

Experimental Data:   (Notes on the Nomenclature)

Solubility of benzene in water
t/°C	Pressure [atm]	Pressure (compiler) [MPa]	g₁/100 g solution	Mole Fraction x₁ (compiler)
260	100	10.1	7.1	0.0173
260	250	25.3	7.3	0.0178
260	500	50.7	7.2	0.0176
260	800	81.1	6.6	0.0160
281	150	15.2	13.7	0.0353
281	250	25.3	13.8	0.0356
281	500	50.7	13.3	0.0342
281	600	60.8	12.7	0.0325
287.5	165	16.7	17.2	0.0457
287.5	195	19.8	18.1	0.0485
287.5	320	32.4	18.1	0.0485
287.5	380	38.5	17.3	0.0460
287.5	735	74.5	13.9	0.0359
295	135	13.7	18.2	0.0488
295	160	16.2	22.8	0.0638
295	185	18.7	27.0	0.0786
295	210	21.3	31.3	0.0951
295	225	22.8	34.0	0.1062
295	230	23.3	35.3	0.1117
295	240	24.3	35.5	0.1126
295	250	25.3	35.3	0.1117
295	265	26.8	34.0	0.1062
295	290	29.4	31.3	0.0951
295	350	35.5	27.0	0.0786
295	450	45.6	22.9	0.0641
295	690	69.9	18.2	0.0488
300	145	14.7	22.8	0.0638
300	155	15.7	27.3	0.0797
300	160	16.2	30.9	0.0935
300	160	16.2	34.3	0.1074
300	165	16.7	37.5	0.1216
300	165	16.7	40.0	0.1332
300	160	16.2	43.0	0.1482
300	160	16.2	46.1	0.1647
300	490	49.6	56.0	0.2269
300	480	48.6	52.5	0.2031
300	470	47.6	49.5	0.1843
300	470	47.6	46.1	0.1647
300	470	47.6	43.0	0.1482
300	470	47.6	40.0	0.1332
300	480	48.6	37.5	0.1216
300	490	49.6	34.3	0.1074
300	505	51.2	31.0	0.0939
300	555	56.2	27.3	0.0797
300	665	67.4	22.9	0.0641

Method/Apparatus/Procedure:
   Measurements were carried out in a 100 mL stainless-steel cell. The cell was loaded with 15 g (2) and brought to temperature. Mixing was started and (1) was injected until either a cloud or a small droplet of a second phase appeared at the top of the cell. Then mercury was injected to change pressure, more (1) was injected and the measurement was repeated.

Source and Purity of Materials:
   (1) Phillips reagent grade better than 99.8%; used as received.
   (2) distilled and deaerated.

Estimated Errors:

   Temperature: ± 0.02 K
   Pressure: ± 2 atm.