Alfa Chemistry offers 2,9,16,23-Tetra-tert-butyl-29H,31H-phthalocyanine for experimental / research use. View information & documentation regarding 2,9,16,23-Tetra-tert-butyl-29H,31H-phthalocyanine, including CAS, structure & more. https://materials.alfachemic.com/2-9-16-23-tetra-tert-butyl-29h-31h-phthalocyanine-cas-35984-93-1-item-140580.htm