This compound is a highly reactive aryl boronate ester widely utilized as a key building block in Suzuki-Miyaura cross-coupling reactions, the most versatile method for constructing carbon-carbon bonds in organic synthesis. It serves as a critical intermediate for synthesizing polycyclic aromatic hydrocarbons (PAHs), organic semiconductors, and fluorescent materials due to the excellent photophysical properties of the pyrene moiety. In materials science, it is employed to prepare conjugated polymers, organic field-effect transistors (OFETs), and luminescent probes for bioimaging and sensing applications. In pharmaceutical research, it is used to synthesize pyrene-labeled drug molecules for mechanism studies and fluorescent dyes for biological assays. Additionally, it acts as a research reagent in academic laboratories for developing new synthetic methodologies and studying the photochemistry of aromatic compounds.

This chemical is classified as a low-toxicity irritant under GHS classification, with hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Direct skin contact may cause redness, itching, and mild inflammation, especially in sensitive individuals; prolonged or repeated contact should be avoided. Eye exposure can lead to severe irritation, tearing, and conjunctival damage, requiring immediate flushing with copious water for at least 15 minutes. Inhalation of dust or fine particles may irritate the respiratory tract, causing coughing, throat dryness, and shortness of breath; use only in a well-ventilated fume hood. Ingestion may cause gastrointestinal discomfort, nausea, and diarrhea, and should be treated as a potential poisoning incident. During handling, wear chemical-resistant gloves, safety goggles, and a dust mask to prevent contact and inhalation. Store in a sealed, dry, cool (2–8 °C), and dark place, away from oxidizing agents, strong acids, and heat sources. Dispose of waste materials in accordance with local hazardous waste regulations; do not release into the environment to avoid potential ecological risks.