COH29 is primarily used in advanced materials research, particularly in the development of organic semiconductors. It serves as a key intermediate in the synthesis of conjugated polymers that are employed in flexible electronics, including organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs). Its molecular structure allows for fine-tuning of electronic properties, making it valuable in creating high-efficiency, low-cost electronic devices. Additionally, COH29 is explored in sensor technologies due to its responsive electron transport characteristics when exposed to specific environmental stimuli.