It is an aqueous solution of nitric acid (HNO₃) containing 50% of the compound. This product is a corrosive liquid, colorless or slightly yellowish, with a strong and characteristic odor. Like other concentrations of nitric acid, it must be handled with extreme care due to its high reactivity and its potential to cause damage to skin, eyes, and tissues.
50% nitric acid is used in various industrial applications, such as fertilizer production, explosives manufacturing, metallurgy, and the synthesis of chemical products.