Absorption maximum, lambda max: 441nm               

Absorptivity in chloroform: 164 L g^-1 cm^-1

Appearance: Yellow powder                  

Melting point: 264^oC  

Solubility in grams/100 grams of solvent: 

            Xylenes 0.16 grams        

            Acetone 0.06 grams

            Methylene Chloride 0.39 grams