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Table 1 Chemical and physical properties of anthraquinone

From: Anthraquinone in Indonesian infusion tea: analysis by HPLC–UV and risk assessment

Chemical structure
Chemical name Anthraquinone; 9,10-anthraquinone
Molecular formula C14H8O2
CAS No 84-65-1
Molecular weight 208.21
Boiling point 377 °C at 760 mmHg
Melting point 286 °C
Density/specific gravity 1.42–1.44 at 20 °C/4 °C
Octanol/water partition coefficient log Kow = 3.39
Solubilities 0.44 g/100 g alcohol at 25 °C; 2.25 g/100 g boiling alcohol; 0.11 g/100 g ether at 25 °C; 0.61 g/100 g chloroform at 20 °C; 0.26 g/100 g benzene at 20 °C; 0.30 g/100 g toluene at 25 °C; soluble in concentrated sulfuric acid; soluble in acetone; 1.353 mg/L at 25 °C water
  1. All properties are taken from Hazardous Substance Data Bank [6]