Hexabenzocoronene (HBC), with CAS number 190-24-9, is a large, planar polycyclic aromatic hydrocarbon (PAH) consisting of 13 fused benzene rings. It is a highly symmetric, disc-shaped molecule that serves as a fundamental building block for graphene nanoribbons and a prototypical example of a discotic liquid crystal. Its primary application lies in the field of organic electronics and materials science. Due to its extended π-conjugation and strong intermolecular π-π stacking, HBC exhibits excellent charge carrier mobility. It is widely used as a core unit for constructing organic semiconductors, particularly in organic field-effect transistors (OFETs), organic light-emitting diodes (OLEDs), and organic photovoltaic (OPV) cells. Its discotic mesophase allows for the formation of highly ordered columnar structures, facilitating efficient one-dimensional charge transport. Beyond electronics, HBC derivatives are explored in supramolecular chemistry for creating functional nanostructures and as fluorescent dyes. The compound is typically a yellow to orange solid with high thermal stability. Handling requires standard precautions for fine organic powders, including avoiding inhalation and contact with skin/eyes.