Chemical elements
    Physical Properties
    Chemical Properties
      Indium Trifluoride
      Indium monochloride
      Indium dichloride
      Indium trichloride
      Indium oxychloride
      Indium monobromide
      Indium tribromide
      Indium oxybromide
      Indium mono-iodide
      Indium di-iodide
      Indium tri-iodide
      Indium perchlorate
      Indium iodate
      Indium sesqui-oxide
      Indium hydroxide
      Indium monosulphide
      Indium disulphide
      Indium sesquisulphide
      Indium trisulphide
      Basic indium sulphite
      Indium sulphate
      Indium sesquiselenide
      Indium selenite
      Indium selenate
      Indium telluride
      Indium silicotungstates
      Indium nitrate
      Indium phosphide
      Indium platinocyanide
      Indium oxalate
      Indium acetylacetonate
    PDB 1ind-1ind

Indium sesquiselenide, In2Se3

Indium sesquiselenide, In2Se3, is obtained by heating indium with selenium and repeatedly fusing the product with selenium. A brown precipitate of the same composition is produced by passing hydrogen selenide into indium acetate solution. The sesquiselenide is decomposed by dilute hydrochloric acid with the evolution of hydrogen selenide, and is eventually converted by nitric acid into indium selenite. When heated in hydrogen, hydrogen selenide and a dark sublimate (probably a lower selenide) are produced.

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