IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: Pyrene with 1,3,5-Trinitrobenzene

Components:
   (1) 1,3,5-Trinitrobenzene; C6H6N3O6; [99-35-4]  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)
396.2	0.000	1.000	Solid Phase (2)
420.2	0.050	0.950	1:1 Compound
478.2	0.172	0.828	1:1 Compound
478.2	0.174	0.826	1:1 Compound
500.2	0.260	0.740	1:1 Compound
514.7	0.373	0.627	1:1 Compound
518.7	0.486	0.514	1:1 Compound
517.2	0.553	0.447	1:1 Compound
508.7	0.679	0.321	1:1 Compound
482.5	0.778	0.222	1:1 Compound
466.7	0.840	0.160	1:1 Compound
439.2	0.875	0.125	1:1 Compound
423.2	1.000	0.000	Solid Phase (1)

Notes:
     Author reports formation of a 1:1 pyrene - 1,3,5-trinitrobenzene reddish-orange molecular compound having a melting point temperature of 518.7 K. Two eutectic points occur at x₁ = 0.020 and T/K = 389.2, and at x₁ = 0.900 and T/K = 414.7.

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).