SDS Volume (2006)
Volume 59. Polycyclic Aromatic Hydrocarbons: Binary Non-aqueous Systems, Part II Solutes F-Z, p None
Original Measurements
Nigam, R. K.; Dhillon, M. S.; Indian J. Chem. 1970, 8, 821-825.
Variables:
Room Temp: Temperature $\pu{K}$
Prepared by:
Method/Apparatus/Procedure:
Phase diagram was determined using a thaw-melt method (described in detail in [1]).
Source and Purity of Materials:
- Purity and chemical source were not specified in paper, was recrystallized before use.
- Purity and chemical source were not specified in paper, was recrystallized before use.
Estimated Errors:
Ambient temperature: T/K: precision ±0.1. x1: ±0.0001 (compiler).
References
1 Rastogi and Nigam, Proc. Natl. Inst. Sci. India 1960, 26, 184
Components:
- Naphthalene, $\ce{ C10H8 }$; [91-20-3] NIST WebBook
- 2,4,6-Trinitrophenol, $\ce{ C6H3N3O7 }$; [88-89-1] NIST WebBook
Experimental Data
| $T$ ($\pu{K}$) | $x_{1}$ | $x_{2}$ |
|---|---|---|
| 395.2 | 0.0000 | 1.0000 |
| 387.2 | 0.0865 | 0.9135 |
| 404.0 | 0.1754 | 0.8246 |
| 409.2 | 0.2145 | 0.7855 |
| 416.8 | 0.2865 | 0.7135 |
| 423.0 | 0.3940 | 0.6060 |
| 424.2 | 0.4525 | 0.5475 |
| 424.1 | 0.5533 | 0.4467 |
| 421.2 | 0.6412 | 0.3588 |
| 407.4 | 0.8019 | 0.1981 |
| 381.2 | 0.9181 | 0.0819 |
| 353.4 | 1.0000 | 0.0000 |
Compiler: Phase diagram shows formation of a 1:1 naphthalene - 2,4,6-trinitrophenol molecular compound. The two eutectic points occur at about x1 = 0.059 and T/K = 382.6 and at x1 > 0.95 and T/K = 345.6.
