It is mainly used in chemical research particularly in studies of polycyclic aromatic compounds and serves as an intermediate in organic synthesis and coordination chemistry.

The purpose of Benzo[h]quinoline is to act as a building block or model compound in scientific research especially for studying molecular structure reactivity and properties of aromatic systems.

Benzo[h]quinoline is a heterocyclic aromatic organic compound composed of fused benzene and quinoline rings forming a polycyclic structure. It is typically a stable crystalline substance.