Benzotriazole HCl is used as an important element to formulate active pharmaceutical ingredient. Available in crystalline powder form, this white colored pharmaceutical substance is required to produce diazepam, carbamazepine and nicotinic acid. It remains insoluble in water. As an intermediate, its presence can also be noticed in the formulation of antifungal medications. Benzotriazole HCl serves as an antioxidant in food packaging arena. Its melting point ranges between 208 degree C to 210 degree C. Standard of this pharmaceutical chemical has been checked as per its composition, shelf life, therapeutic properties and chemical stability under different temperature conditions.