Chrysophanol

Synonym Name: Chrysophanic acid; 1,8-dihydroxy-3-methylanthra-9,10-quinone; 9,10-anthracenedione,1,8-dihydroxy-3-methyl-;1,8-Dihydroxy-3-methyl-anthraquinone

Molecular Formula:C15H10O4

Molecular Weight:254.242 g/mol

Cas Number:481-74-3 

EINECS: 207-572-2

Molecular Structure:

Melting point: 194-198 °C  
Boiling Point: 489.5 °C at 760 mmHg 
Flash Point: 263.9 °C 

Water Solubility: <0.1 g/100 mL at 18 oC 
Stability: Stable. Incompatible with strong oxidizing agents. 
Appearance: yellow crystalline solid or brown powder
Index of Refraction: 1.709  
Molar Refractivity: 67.25 cm³  
Molar Volume: 172.2 cm³  
Polarizability: 26.66 10^-24 cm³  
Surface Tension: 73.1 dyne/cm  
Density: 1.476 g/cm³  
Enthalpy of Vaporization: 78.46 kJ/mol  
Vapour Pressure: 3.31E-10 mmHg at 25°C