Absorption maximum, lambda max: 819nm

Absorptivity in chloroform: 409 L g-1 cm-1

Appearance: Green powder

Melting point: 212-214°C

Solubility in grams/100 grams of solvent:

            Acetone 24 grams

            Methanol 1.26 grams

            Ethyl acetate 0.055 grams