H2S4

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Tetrasulfane (S 4 H 2) is an inorganic chemical compound featuring a disulfide and two thiol groups.

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Production

Similar to other polysulfanes, it can be made by neutralizing the given polysulfane salt with an acid, like HCl or H2SO4. Example given with HCl and Na 2 S 4:

Na2S4 + 2HCl → 2NaCl + H2S4 [1]

Physical properties

Same as other polysulfanes, tetrasulfane it is a yellowish, oily liquid. It's density is around 1.5g/cm3 (±0.1 g/cm3). [2]

References

  1. ↑ PubChem. "Tetrasulfane". pubchem.ncbi.nlm.nih.gov. Retrieved 2025-10-20.
  2. ↑ "Tetrasulfane". www.chemspider.com. Retrieved 2025-10-20.
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