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Selenium disulfide, also known as selenium sulfide, is a chemical compound and medication used to treat seborrheic dermatitis, dandruff, and pityriasis versicolor. [ 1 ] [ 2 ] It is applied to the affected area as a lotion or shampoo. [ 3 ]
Like selenium sulfide, zinc pyrithione (a zinc complex with two chelating pyrithione anions) also reduces epidermal turnover and inhibits fungal growth. [3] [unreliable medical source?] It is often administered with ketoconazole for better results. The symptoms do not resolve completely even after prolonged medication.
Some inorganic selenide sulfide compounds are also known. Simplest is the material selenium sulfide, which has medicinal properties. It adopt the diverse structures of elemental sulfur but with some S atoms replaced by Se. Other inorganic selenide sulfide compounds occur as minerals and as pigments. One example is antimony selenosulfide.
Selenium sulfide can refer to either of the following: Selenium disulfide, SeS 2; Selenium hexasulfide, Se 2 S 6 This page was last edited on 27 January ...
Over the counter Selsun Blue contains 1% selenium sulfide as its active ingredient in its most popular version [2] (the word "Selsun" is a portmanteau of selenium sulfide + n). Chattem announced that on November 1, 2005, they would introduce a new line of shampoos under the brand name Selsun Salon.
Selenium is found in metal sulfide ores, where it substitutes for sulfur. Commercially, selenium is produced as a byproduct in the refining of these ores. Minerals that are pure selenide or selenate compounds are rare. The chief commercial uses for selenium today are glassmaking and pigments. Selenium is a semiconductor and is used in photocells.
Among these compounds, selenium has various oxidation states, the most common ones being −2, +4, and +6. Selenium compounds exist in nature in the form of various minerals, such as clausthalite, guanajuatite, tiemannite, crookesite etc., and can also coexist with sulfide minerals such as pyrite and chalcopyrite. [1]
The pyrithione ligands, which are formally monoanions, are chelated to Zn 2+ via oxygen and sulfur centers. In the crystalline state, zinc pyrithione exists as a centrosymmetric dimer (see figure), where each zinc is bonded to two sulfur and three oxygen centers. [3]
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