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Thioacetamide
Thioacetamide is an organosulfur compound with the formula CH3CSNH2. This white crystalline solid is soluble in water and serves as a source of hydrogen sulfide in the synthesis of organic and inorganic compounds. It is a prototypical thioamide. Additional recommended knowledge
Coordination chemistryThioacetamide was widely used in classical qualitative inorganic analysis as an in situ source for sulfide ions. Thus, treatment of aqueous solutions of many metal cations to a solution of thioacetamide affords the corresponding metal sulfide:
Related precipitations occur for sources of soft trivalent cations (As3+, Sb3+, Bi3+) and monovalent cations (Ag+, Cu+). PreparationThioacetamide is prepared by treating acetamide with phosphorus pentasulfide as shown in the following idealized reaction:[1]
StructureThe C2NH2S portion of the molecule is planar; the C-S and C-N distances are 1.713 and 1.324 Å, both indicating multiple bonding.[2] SafetyThioacetamide is carcinogen class 2B. References
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Thioacetamide". A list of authors is available in Wikipedia. |