Carbazole-d8 is a strong hydrogen bond acceptor that can form strong hydrogen bonds with other molecules. This property makes it useful in the synthesis of a variety of compounds, including heterocycles and polycyclic aromatic hydrocarbons.

It is also known as deuterated carbazole. Carbazole D8, a deuterated variant of carbazole with eight deuterium atoms, finds several important uses in scientific research and industrial applications. One of its primary uses is in fluorescence studies and photophysics. It was used to study fluorescence lifetimes, quantum yields, and other fluorescence-related parameters, helping to understand energy transfer processes and photoinduced phenomena.

Another significant application of this compound is in organic electronics and optoelectronics. Deuterium-labelled carbazole is employed in the synthesis of labelled organic semiconductors and materials. These labelled compounds are used to study charge transport, exciton dynamics, and other fundamental processes in organic electronic devices. Carbazole-d8 in these studies enables researchers to design and optimize organic materials for applications in organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and other organic electronic devices.

Moreover, Carbazole-d8 is a valuable isotopic label for tracing reactions in organic synthesis. The presence of deuterium atoms allows researchers to investigate reaction mechanisms, track the movement of atoms in molecules, and identify intermediates in complex chemical transformations. This contributes to a deeper understanding of organic reactions and facilitates the development of new synthetic strategies.