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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Phenanthrene with Water
Components:
(1) Water; H2O; [7732-18-5]
NIST Chemistry WebBook
for detail
(2) Phenanthrene; C14H10; [85-01-8]
NIST Chemistry WebBook
for detail
Original Measurements:
Schwarz, F.P., J. Chem. Eng. Data. 1977, 22, 273-7.
Variables:
Temperature = 8.4 °C - 31.8 °C
Prepared By:
A. Maczynski
Experimental Data:
(Notes on the Nomenclature)
Solubility of phenanthrene in water
t/°C
10
5
* g
1
/100 g solution (compiler)
10
8
* Mole Fraction x
1
(compiler)
10
6
* n
1
/V
2
[mol/L]
8.4
5.01
5.06
2.81 ± 0.07
11.1
5.51
5.57
3.09 ± 0.07
14.0
6.40
6.47
3.59 ± 0.06
17.5
7.84
7.92
4.40 ± 0.04
20.2
8.80
8.90
4.94 ± 0.09
23.3
10.85
10.97
6.09 ± 0.07
25.0
11.51
11.63
6.46 ± 0.02
29.3
13.72
13.87
7.7 ± 0.2
31.8
16.27
16.44
9.13 ± 0.08
Method/Apparatus/Procedure:
Two methods were used. At 25 °C the solubility of (1) in (2) was determined from UV absorption measurements and was used as a standard at other temperatures. At other temperatures the spectrofluorimetry method was used. The sealed fluorescence cells contained 5 mL of the aqueous solution and an excess of (1) were rotated at least 72 h in a water bath, then removed, quickly wiped dry and placed in the fluorimeter.
Source and Purity of Materials:
(1) Source not specified; better than 99 mole%, by glc; used as received.
(2) Distilled over KMnO
4
and NaOH and passed through a Sephadex column.
Estimated Errors:
Solubility: see above
Temperature: ± 0.1 °C