IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: Pyrene with 3-Methyl-2,4,6-trinitrophenol

Components:
   (1) 3-Methyl-2,4,6-trinitophenol; C7H5N3O7; [602-99-3]  NIST Chemistry WebBook for detail
   (2) Pyrene; C16H10; [129-00-0]  NIST Chemistry WebBook for detail

Original Measurements:
   Shinomiya, C., J. Chem. Soc. Japan 1940, 15, 259-270.

Variables:
   Temperature = Temperature

Prepared By:
   W.E. Acree, Jr.

Experimental Data:   (Notes on the Nomenclature)


T/K	Mole Fraction x₁	Mole Fraction x₂	Comment(s)
381.7	0.000	1.000	Solid Phase (2)
405.7	0.153	0.847	1:1 Compound
420.2	0.246	0.754	1:1 Compound
426.7	0.301	0.699	1:1 Compound
434.2	0.422	0.578	1:1 Compound
436.2	0.471	0.529	1:1 Compound
434.2	0.551	0.449	1:1 Compound
425.2	0.710	0.290	1:1 Compound
421.2	0.765	0.235	1:1 Compound
413.2	0.891	0.109	Solid Phase (1)
423.2	1.000	0.000	Solid Phase (1)

Notes:
     Author reports formation of a 1:1 pyrene - 3-methyl-2,4,6-trinitrophenol reddish-brown compound having a melting point of 436.2 K. Two eutectic points occur at x₁ = 0.075 and T/K = 374.2, and at x₁ = 0.848 and T/K = 408.2.

Method/Apparatus/Procedure:
   No experimental details given in paper.

Source and Purity of Materials:
   (1) Purity and chemical source were not specified in paper.
   (2) Purity and chemical source were not specified in paper.

Estimated Errors:

   Temperature: T/K: precision ± 0.2 (compiler). x₁: ± 0.002 (compiler).