Thiol
Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.
Summary
Thiol is an artificial ichthyol substitute produced by treating mineral oil from brown coal with sulfur and sulfuric acid. It was used in the early 20th century in dermatology as a substitute for ichthyol in solutions, ointments, and powders for various skin conditions.
Encyclopedia entry (1928–1936)
THIOL, Thiolum, artificial ichthyol; mineral oil obtained from brown coal, treated with sulfur and then with sulfuric acid. It is a substance of thick consistency, almost odorless, dark brown in color, soluble in water. It is used like ichthyol. Dry Thiol (Thiolum siccum) is a brown powder, soluble in water. It is used like ichthyol in solutions and ointments (10-20%) or as a powder mixed with zinc oxide. It was formerly produced in combination with various metals. The sulfur content in oxygen-free bonds is about 10%, and in the form of the SO3H residue—1.25-1.5% of the dry matter.
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Cite this page
“Thiol.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/thiol/