Absorption maximum, lambda max: 719nm

Absorptivity in chloroform: 133 L g^-1 cm^-1

Appearance: green powder

Melting point: > 300°C

Solubility in grams/100 grams of solvent:

             DMAC 9.0 grams      Cyclohexanone > 30 grams

            THF > 30 grams        Ethyl acetate > 30 grams

            MEK > 30 grams       IPA 0.42 grams