The Rise of PV23 and Its Origin

Pigment Violet 23 (PV23) is a colourant and synthetic pigment derived from carbazole. It is a member of the dioxazine family of heterocyclic compounds. History of PV23 PV23 has been used for decades now. Its origin goes back to 1928 when a patent for this drug was registered by Hoechst company based in Germany. […]