CAS 50865-01-5 Disodium protoporphyrin IX Chemical Report & Database ... definitions: Name: Disodium protoporphyrin IX: Disodium-protoporphyrin-IX; Protoporphyrin IX disodium salt; 3,7,12,17-Tetramethyl-8,13-divinyl-2,18-porphinedipropionic acid disodium salt Synonyms: Protoporphyrin IX disodium salt ...