Abstract: Invention relates to the field of medicine and may be used in medicine, veterinary, biology, biotechnological, chemical-pharmaceutical and food industry, as well as for domestic purposes, etc. as a reagent providing antimicrobial, antiviral and fungicidal capability. Objective of the proposed invention is a creation of pharmaceutical composition that is innocuous in use, simple for production, cheap and has high disinfecting, sterilizing and antiseptic properties. Essence of the proposed invention is in performing mixing of ammonia synthesis catalyst waste residues and citric acid with ethyl alcohol, adding to the mixture a weak nitric acid, dilution with water, interaction of the mixture reagents till receiving a transparent fraction, purification of the transparent fraction from admixtures, adding aromatizer.