Osmium tetrasulfide is an inorganic compound, a salt of osmium metal and hydrogen sulfide acid with the chemical formula OsS4.[1]

Synthesis

Osmium tetrasulfide can be made by passing hydrogen sulfide through acidified solutions of osmium tetroxide:[2]

OsO4 + 4H2S → OsS4 + 4H2O

Physical properties

Osmium tetrasulfide forms dark brown crystals. It does not dissolve in cold water. It is soluble in dilute nitric acid.[3] It forms hydrates.[4]

Osmium tetrasulfide decomposes upon melting.[5]

References

  1. ^ Bloxam, Charles Loudon (1888). Chemistry, Inorganic and Organic: With Experiments. P. Blakiston. p. 447. Retrieved 4 April 2023.
  2. ^ Satya, Prakash (2013). Advanced Chemistry of Rare Elements. S. Chand Publishing. p. 615. ISBN 978-81-219-4254-6. Retrieved 4 April 2023.
  3. ^ Gmelin, Leopold (1852). Hand Book of Chemistry. Cavendish Society. p. 411. Retrieved 4 April 2023.
  4. ^ Comey, Arthur Messinger (1896). A Dictionary of Chemical Solubilities: Inorganic. Macmillan and Company. p. 275. Retrieved 4 April 2023.
  5. ^ Sangeeta, D. (25 June 1997). Inorganic Materials Chemistry Desk Reference. CRC Press. p. 266. ISBN 978-0-8493-8900-9. Retrieved 4 April 2023.
Allikas: https://en.wikipedia.org/wiki/Osmium_tetrasulfide
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