IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

---

 Solubility System: 2-Propanol with 1,7-Octadiene and Water

---

Components:
   (1) Water; H2O; [7732-18-5]  NIST Chemistry WebBook for detail
   (2) 1,7-Octadiene; C8H14; [3710-30-3]  NIST Chemistry WebBook for detail
   (3) 2-Propanol (isopropanol, isopropyl alcohol); C3H8O; [67-63-0]  NIST Chemistry WebBook for detail

Original Measurements:
   Emelyanov, A.O.; Melnik, L.V.; Bobylev, B.N., Zh. Prikl. Khim. (Leningrad) 64, 1700-4 (1991).

Variables:
   Temperature = 293 K - 360 K

Prepared By:
   A. Skrzecz

Experimental Data:   (Notes on the Nomenclature)
  

Compositions along the saturation curve

t/°C	T/K	Mass Fraction w1 (compiler)	Mass Fraction w2 (compiler)	Mole Fraction x1	Mole Fraction x2
25.00	293.15	0.0000	0.0018	0.0000	0.0003
25.00	293.15	0.4952	0.0176	0.2325	0.0045
25.00	293.15	0.5654	0.1840	0.3765	0.0668
25.00	293.15	0.5292	0.2795	0.4010	0.1155
25.00	293.15	0.4761	0.3806	0.4099	0.1787
25.00	293.15	0.4250	0.4684	0.4103	0.2466
25.00	293.15	0.3454	0.5892	0.3904	0.3632
25.00	293.15	0.1936	0.7919	0.2874	0.6409
25.00	293.15	0.0864	0.9101	0.1453	0.8351
25.00	293.15	0.0000	0.99997	0.0000	0.9998
87.00	360.15	0.0000	0.0847	0.0000	0.0149
87.00	360.15	0.0000	0.99992	0.0000	0.9995

Compositions of coexisting phases

t/°C	T/K	Mass Fraction w1 (compiler)	Mass Fraction w2 (compiler)	Mole Fraction x1	Mole Fraction x2	Comment(s)
20.00	293.15	0.0204	0.9790	0.0366	0.9595	hydrocarbon-rich phase
20.00	293.15	0.0649	0.9325	0.1115	0.8736	hydrocarbon-rich phase
20.00	293.15	0.1021	0.8932	0.1687	0.8052	hydrocarbon-rich phase
20.00	293.15	0.1551	0.8356	0.2415	0.7097	hydrocarbon-rich phase
20.00	293.15	0.1914	0.7945	0.2849	0.6449	hydrocarbon-rich phase
20.00	293.15	0.2443	0.7290	0.3342	0.5439	hydrocarbon-rich phase
20.00	293.15	0.2985	0.6549	0.3681	0.4404	hydrocarbon-rich phase
20.00	293.15	0.3443	0.5907	0.3898	0.3647	hydrocarbon-rich phase
20.00	293.15	0.5311	0.2451	0.4000	0.1130	hydrocarbon-rich phase
20.00	293.15	0.0204	0.9790	0.0490	0.9595	water-rich phase
20.00	293.15	0.0649	0.9325	0.1045	0.8736	water-rich phase
20.00	293.15	0.1021	0.8932	0.1368	0.8052	water-rich phase
20.00	293.15	0.1551	0.8356	0.1792	0.7097	water-rich phase
20.00	293.15	0.1914	0.7945	0.2066	0.6449	water-rich phase
20.00	293.15	0.2443	0.7290	0.2407	0.5439	water-rich phase
20.00	293.15	0.2985	0.6549	0.2865	0.4404	water-rich phase
20.00	293.15	0.3443	0.5907	0.3062	0.3647	water-rich phase
20.00	293.15	0.5311	0.2751	0.4000	0.1130	water-rich phase

Method/Apparatus/Procedure:
   Mutual solubility was determined by the standard isothermic titration method until turbidity was observed. Phase equilibrium was measured in the thermostated separator. Concentrations of 2-propanol and 1,7-octadiene in the equilibrium phases were determined by the glc analysis (FID detector). Water was analyzed by the Karl Fischer method.

Source and Purity of Materials:
   (1) Source not specified, pure grade; dried, distilled; b.p.=355.54 K.
   (2) Synthesized in the laboratory; distilled; purity >99.5%; b.p.=390.65 K.
   (3) Doubly distilled.

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

---

Distributed by the Office of Data and Informatics of the National Institute of Standards and Technology (NIST) Material Measurement Laboratory (MML).
Website is owned by NIST (an agency of the U.S. Department of Commerce)

---

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