Phenazine

Phenazine is an organic compound with the formula (C6H4)2N2. It is a dibenzo annulated pyrazine, and the parent substance of many dyestuffs, such as the toluylene red, indulines, and safranines (and the closely related eurhodines). Phenazine crystallizes in yellow needles, which are only sparingly soluble in alcohol. Sulfuric acid dissolves it, forming a deep-red solution.

Phenazine
Names
Preferred IUPAC name
Phenazine
Other names
Dibenzopyrazine
9,10-Diazaanthracene
Azophenylene
acridizine
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.001.995
UNII
  • InChI=1S/C12H8N2/c1-2-6-10-9(5-1)13-11-7-3-4-8-12(11)14-10/h1-8H Y
    Key: PCNDJXKNXGMECE-UHFFFAOYSA-N Y
  • InChI=1/C12H8N2/c1-2-6-10-9(5-1)13-11-7-3-4-8-12(11)14-10/h1-8H
    Key: PCNDJXKNXGMECE-UHFFFAOYAM
  • n1c3c(nc2c1cccc2)cccc3
Properties
C12H8N2
Molar mass 180.21 g/mol
Appearance yellow to brown crystalline powder
Density 1.25g/cm3
Melting point 174–177 °C (345–351 °F; 447–450 K)
Boiling point 357.2 °C (675.0 °F; 630.3 K) at 760 mmHg
insoluble in water
Hazards
Flash point 160.3 °C (320.5 °F; 433.4 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is YN ?)
Infobox references
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