547 °F (sublimes) (NTP, 1992)
286 °C
Liquid Molar Volume = 0.193625 cu m/kmol; IG Heat of Formation = -9.52X10+7 J/kmol; Heat Fusion at Melting Point = 3.2552X10+7 J/kmol
Boiling Point
714 to 718 °F at 760 mmHg (NTP, 1992)
377 °C at 760 mm Hg
380 °C
Density
1.438 at 68 °F (NTP, 1992) - Denser than water; will sink
1.42-1.44 at 20 °C/4 °C
1.4 g/cm³
Physical Description
Anthraquinone appears as yellow crystals or powder. (NTP, 1992)
Water or Solvent Wet Solid; Dry Powder
Light yellow or nearly colorless solid; [Merck Index] Yellow powder;
LIGHT YELLOW CRYSTALS.
Appearance
Light yellow, slender monoclinic prisms by sublimation in vacuo. Almost colorless, orthorhombic, bipyramidal crystals from sulfuric acid and water.
Yellow rhombic needles from alcohol, benzene
Yellow-green crystals