IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

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 Solubility System: 1-Proponal with Decane and Water

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Components:
   (1) Water; H2O; [7732-18-5]  NIST Chemistry WebBook for detail
   (2) 1-Proponal (n-propanol, propyl alcohol, n-propyl alcohol); C3H8O; [71-23-8]  NIST Chemistry WebBook for detail
   (3) Decane (n-decane); C10H22; [124-18-5]  NIST Chemistry WebBook for detail

Original Measurements:
   Mahers, E.G.; Dawe, R.A., J. Chem. Eng. Data 31, 28 (1986).

Variables:
   Temperature = 293 K

Prepared By:
   A. Skrzecz

Experimental Data:   (Notes on the Nomenclature)
  

Compositions along the saturation curve

t/°C	T/K	Mass Fraction w1	Mass Fraction w2	Mole Fraction x1 (compiler)	Mole Fraction x2 (compiler)
20.0	293.2	0.3930	0.0020	0.1629	0.0004
20.0	293.2	0.4190	0.0020	0.1782	0.0004
20.0	293.2	0.4250	0.0030	0.1821	0.0005
20.0	293.2	0.4550	0.0040	0.2012	0.0007
20.0	293.2	0.4600	0.0040	0.2045	0.0008
20.0	293.2	0.4630	0.0050	0.2067	0.0009
20.0	293.2	0.4670	0.0060	0.2097	0.0011
20.0	293.2	0.4760	0.0050	0.2154	0.0010
20.0	293.2	0.4850	0.0070	0.2222	0.0014
20.0	293.2	0.4970	0.0080	0.2310	0.0016
20.0	293.2	0.5060	0.0090	0.2378	0.0018
20.0	293.2	0.5140	0.0100	0.2441	0.0020
20.0	293.2	0.5240	0.0100	0.2516	0.0020
20.0	293.2	0.5260	0.0090	0.2528	0.0018
20.0	293.2	0.5300	0.0110	0.2566	0.0022
20.0	293.2	0.5420	0.0130	0.2667	0.0027
20.0	293.2	0.5660	0.0170	0.2882	0.0037
20.0	293.2	0.5740	0.0150	0.2942	0.0032
20.0	293.2	0.5790	0.0200	0.3008	0.0044
20.0	293.2	0.5860	0.0220	0.3079	0.0049
20.0	293.2	0.5910	0.0230	0.3148	0.0052
20.0	293.2	0.6020	0.0240	0.3246	0.0055
20.0	293.2	0.6140	0.0290	0.3379	0.0067
20.0	293.2	0.6400	0.0300	0.1650	0.0072
20.0	293.2	0.6440	0.0230	0.3711	0.0080
20.0	293.2	0.6610	0.0380	0.3932	0.0095
20.0	293.2	0.6730	0.0400	0.4086	0.0101
20.0	293.2	0.6760	0.0420	0.4116	0.0109
20.0	293.2	0.6870	0.0470	0.4309	0.0125
20.0	293.2	0.6920	0.0540	0.4410	0.0146
20.0	293.2	0.6980	0.0610	0.4569	0.0169
20.0	293.2	0.7030	0.0590	0.4619	0.0164
20.0	293.2	0.7030	0.0680	0.4700	0.0192
20.0	293.2	0.7050	0.0780	0.4823	0.0225
20.0	293.2	0.7090	0.0740	0.4842	0.0213
20.0	293.2	0.7070	0.0860	0.4931	0.0253
20.0	293.2	0.7100	0.0940	0.5059	0.0283
20.0	293.2	0.7090	0.0980	0.5085	0.0297
20.0	293.2	0.7140	0.1070	0.5264	0.0333
20.0	293.2	0.7150	0.1090	0.5304	0.0341
20.0	293.2	0.7100	0.1180	0.5324	0.0374
20.0	293.2	0.7140	0.1170	0.5380	0.0372
20.0	293.2	0.7090	0.1320	0.5474	0.0430
20.0	293.2	0.7090	0.1370	0.5517	0.0452
20.0	293.2	0.7050	0.1500	0.5611	0.0506
20.0	293.2	0.7020	0.1550	0.5641	0.0526
20.0	293.2	0.7050	0.1570	0.5724	0.0538
20.0	293.2	0.6930	0.1780	0.5782	0.0627
20.0	293.2	0.6920	0.1840	0.5868	0.0658
20.0	293.2	0.6840	0.1980	0.5890	0.0720
20.0	293.2	0.6880	0.1980	0.5973	0.0726
20.0	293.2	0.6710	0.2200	0.5951	0.0824
20.0	293.2	0.6560	0.2450	0.6020	0.0950
20.0	293.2	0.6580	0.2480	0.6113	0.0973
20.0	293.2	0.6400	0.2690	0.6054	0.1075
20.0	293.2	0.6220	0.2930	0.6043	0.1202
20.0	293.2	0.6090	0.3120	0.6064	0.1312
20.0	293.2	0.5910	0.3320	0.6030	0.1426
20.0	293.2	0.5810	0.3480	0.6022	0.1521
20.0	293.2	0.5790	0.3510	0.6026	0.1541
20.0	293.2	0.5570	0.3780	0.5967	0.1710
20.0	293.2	0.5620	0.3750	0.6029	0.1702
20.0	293.2	0.5370	0.4020	0.5899	0.1865
20.0	293.2	0.5110	0.4310	0.5817	0.2064
20.0	293.2	0.4840	0.4650	0.5691	0.2309
20.0	293.2	0.4620	0.4900	0.5572	0.2496
20.0	293.2	0.4560	0.4990	0.5582	0.2580
20.0	293.2	0.4310	0.5240	0.5428	0.2774
20.0	293.2	0.3930	0.5690	0.5170	0.3162
20.0	293.2	0.3530	0.6150	0.4906	0.3610
20.0	293.2	0.3520	0.6190	0.4956	0.3681
20.0	293.2	0.3140	0.6590	0.4601	0.4079
20.0	293.2	0.2750	0.7030	0.4262	0.4601
20.0	293.2	0.2360	0.7470	0.3880	0.5187
20.0	293.2	0.2170	0.7680	0.3669	0.5485
20.0	293.2	0.1410	0.8490	0.2707	0.6788
20.0	293.2	0.1090	0.8860	0.2180	0.7486
20.0	293.2	0.0360	0.9600	0.0792	0.8915

Compositions of coexisting phases

t/°C	T/K	Mass Fraction w1	Mass Fraction w2	Mole Fraction x1 (compiler)	Mole Fraction x2 (compiler)	Comment(s)
20.00	293.15	0.0000	1.0000	0.0000	1.0000	hydrocarbon-rich phase
20.00	293.15	0.0200	0.9750	0.0446	0.9182	hydrocarbon-rich phase
20.00	293.15	0.0250	0.9700	0.0554	0.9077	hydrocarbon-rich phase
20.00	293.15	0.0400	0.9550	0.0869	0.8768	hydrocarbon-rich phase
20.00	293.15	0.0450	0.9500	0.0972	0.8668	hydrocarbon-rich phase
20.00	293.15	0.0500	0.9450	0.1073	0.8569	hydrocarbon-rich phase
20.00	293.15	0.0550	0.9400	0.1171	0.8471	hydrocarbon-rich phase
20.00	293.15	0.0600	0.9350	0.1272	0.8374	hydrocarbon-rich phase
20.00	293.15	0.1100	0.8850	0.2198	0.7469	hydrocarbon-rich phase
20.00	293.15	0.1550	0.8350	0.2865	0.6519	hydrocarbon-rich phase
20.00	293.15	0.2350	0.7450	0.3813	0.5105	hydrocarbon-rich phase
20.00	293.15	0.410	0.550	0.529	0.299	hydrocarbon-rich phase
20.00	293.15	0.1100	0.0000	0.0357	0.0000	water-rich phase
20.00	293.15	0.1700	0.0000	0.0578	0.0000	water-rich phase
20.00	293.15	0.2200	0.0000	0.0780	0.0000	water-rich phase
20.00	293.15	0.3500	0.0000	0.1390	0.0000	water-rich phase
20.00	293.15	0.4250	0.0050	0.1825	0.0009	water-rich phase
20.00	293.15	0.5000	0.0080	0.2331	0.0016	water-rich phase
20.00	293.15	0.6150	0.0250	0.3367	0.0058	water-rich phase
20.00	293.15	0.6450	0.0350	0.3734	0.0086	water-rich phase
20.00	293.15	0.7000	0.1650	0.5718	0.0571	water-rich phase
20.00	293.15	0.6500	0.2550	0.6049	0.1002	water-rich phase
20.00	293.15	0.5700	0.3650	0.6057	0.1638	water-rich phase
20.00	293.15	0.410	0.550 (a)	0.529	0.299	water-rich phase

Notes:
   ^a  Estimate by the authors.

Method/Apparatus/Procedure:
   The titration method was used to determine binodal curve. The mass of each component added to the mixture was determined on an electric balance. From the water-side of the system to 10 mL of water 1 drop of decane was added and then the mixture was titrated with 1-propanol until the mixture became homogeneous. The decane-rich side of the system was determined similarly but starting with 10 mL of decane and adding water and 1-propanol. The refractive indexes and  densities along the binodal curve were measured for selected compositions. The tie lines were determined by the analytical method. Two- phase mixtures were shaken well, then allowed to settle and samples of each phase were taken for analysis. Composition of equilibrium phases were derived from the refractive index and density curves.

Source and Purity of Materials:
   (1) BDH, AnalaR grade; used as received; n(20°C,D)=1.385 32, p(20°C)=803.9 kg/m³.
   (2) Koch-Light Ltd.; used as received; n(20°C,D)=1.412 13, p(20°C)=710.0 kg/m³.
   (3) Distilled.

Estimated Errors:
   Solubility: Not reported.
   Temperature: Temp. ± 0.05°C

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