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Propylene glycol dinitrate (PGDN) is a nitrate ester of propylene glycol, a colorless, odorless, and slightly viscous liquid. It is used as a propellant in some aerosol products, as a solvent in some pharmaceuticals, and as a fuel additive. PGDN is also used in the manufacture of explosives, such as dynamite.

PGDN is toxic if ingested, inhaled, or absorbed through the skin. Inhalation of PGDN can cause irritation of the eyes, nose, and throat, as well as coughing, wheezing, and shortness of breath. Ingestion of PGDN can cause nausea, vomiting, abdominal pain, and diarrhea. Prolonged exposure to PGDN can cause liver and kidney damage.

Associated brand names: Nitro-Dur, Nitrolingual, Nitrostat, Nitro-Bid, Nitroquick, and Minitran.

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