Compilation - Pyrene with 2,4-Dinitrophenol (IUPAC SDS Volume 59)
SDS Volume (2162)
Volume 59. Polycyclic Aromatic Hydrocarbons: Binary Non-aqueous Systems, Part II Solutes F-Z, p None
Original Measurements
Shinomiya, C.; J. Chem. Soc. Japan 1940, 15, 259-270.
Variables:
Room Temp: Temperature $\pu{K}$
Prepared by:
Method/Apparatus/Procedure:
No experimental details given in paper.
Source and Purity of Materials:
- Purity and chemical source were not specified in paper.
- Purity and chemical source were not specified in paper.
Estimated Errors:
Ambient temperature: T/K: precision ±0.2 (compiler). x1: ±0.002 (compiler).
Components:
- Pyrene, $\ce{ C16H10 }$; [129-00-0] NIST WebBook
- 2,4-Dinitrophenol, $\ce{ C6H4N2O5 }$; [51-28-5] NIST WebBook
Experimental Data
| $T$ ($\pu{K}$) | $x_{1}$ | $x_{2}$ |
|---|---|---|
| 386.7 | 0.000 | 1.000 |
| 382.2 | 0.076 | 0.924 |
| 386.2 | 0.195 | 0.805 |
| 416.2 | 0.390 | 0.610 |
| 419.2 | 0.470 | 0.530 |
| 419.7 | 0.494 | 0.506 |
| 419.2 | 0.544 | 0.456 |
| 418.2 | 0.552 | 0.448 |
| 407.7 | 0.665 | 0.335 |
| 405.7 | 0.820 | 0.180 |
| 416.2 | 0.923 | 0.077 |
| 423.2 | 1.000 | 0.000 |
Author reports formation of a 1:1 pyrene - 2,4-dinitrophenol reddish-orange molecular compound having a melting point temperature of 419.5 K. Two eutectic points occur at x1 = 0.156 and T/K = 374.2, and at x1 = 0.736 and T/K = 393.2.
