Benzonaphthol
Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.
Summary
Benzonaphthol is an odorless and tasteless powder introduced into therapy in 1892 as an intestinal antiseptic. When ingested, it splits in the gut into benzoic acid and naphthol, exerting an antiseptic effect used to treat gastrointestinal diseases and diarrhea.
Encyclopedia entry (1928–1936)
BENZONAPHTHOL, Benzonaphtholum, C10H7OC6H5CO, benzoyl-beta-naphthol, a colorless, odorless, and tasteless powder with a melting point of 110°; sparingly soluble in water, readily soluble in alcohol; when taken internally, it splits in the intestine into benzoic acid and naphthol. Its action is due to benzoic acid and naphthol. It is used as an antiseptic agent in diseases of the stomach and intestines and in diarrhea. It is non-poisonous, introduced into therapy by Ewald in 1892. Dose: 0.5 several (4–5) times a day.
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“Benzonaphthol.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/benzonaphthol/