652154-11-5

5,10,15,20-Tetraphenyl-21H, 23H-porphine-p,p′,p,p′′′-tetrasulfonic acid tetrasodium hydrate has been used to functionalize chemically converted graphene to form conductive graphene films of varying thickness.

5,10,15,20-Tetraphenyl-21H, 23H-porphine-p,p′,p,p′′′-tetrasulfonic acid tetrasodium hydrate is a water-soluble porphyrin. It is a negatively charged compound due to the presence of the sulfonate groups.