p-Toluenesulfonylhydrazide

[1576-35-8] C7H10N2O2S (MW 186.26) InChI = 1S/C7H10N2O2S/c1-6-2-4-7(5-3-6)12(10,11)9-8/h2-5,9H,8H2,1H3 InChIKey = ICGLPKIVTVWCFT-UHFFFAOYSA-N (used as a source of diazene;2 condensed with ketones and aldehydes to form hydrazones that can be converted into reactive intermediates such as diazoalkanes, carbenes, carbenium ions, alkyllithiums, or umpolung synthons;7 used in 1,3-dipolar cycloaddition reactions to form N-heterocycles; used to make propargyl aldehydes and ketones via the Eschenmoser fragmentation;44 ketone hydrazones are deoxygenated with mild reagents in a modified Wolff–Kishner reduction50) Alternate Name: tosyl hydrazide. Physical Data: mp 108–110 °C (dec). Solubility: sol virtually all organic solvents except hydrocarbons; insol water. Form Supplied in: solid; widely available. Handling, Storage, and Precautions: is thermally labile at elevated temperatures, but can be stored at or below room temperature. It is a toxic, potentially flammable solid which should be handled with gloves under inert atmosphere.