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Calcium hydrosulfide

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Chemical compound
Calcium hydrosulfide
Names
IUPAC name Calcium hydrosulfide
Other names Calcium hydrogensulfide
Calcium hydrogen sulfide
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
EC Number
  • 235-209-8
PubChem CID
CompTox Dashboard (EPA)
InChI
  • InChI=1S/Ca.2H2S/h;2*1H2/q+2;;/p-2Key: YAECNLICDQSIKA-UHFFFAOYSA-L
SMILES
  • ..
Properties
Chemical formula Ca(SH)2
Molar mass 105.922383 g/mol
Related compounds
Other anions Calcium hydroxide
Calcium polysulfide
Other cations Ammonium hydrosulfide
Sodium hydrosulfide
Related compounds Calcium sulfide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Calcium hydrosulfide is the chemical compound with the formula Ca(HS)
2 or CaH
2S
2. It is formed from the reaction of calcium hydroxide or calcium carbonate with hydrogen sulfide:

Ca(OH)2 + 2H2S → Ca(HS)2 + 2H2O
CaCO3 + 2H2S → Ca(HS)2+H2O+CO2

References

  1. "Calcium hydrosulfide". pubchem.ncbi.nlm.nih.gov. National Library of Medicine. Retrieved 5 November 2020.
  2. US 2709126, Gollmar, Herbert A., "Production of calcium hydrosulfide solutions", published 1955-05-24, issued 1951-04-18, assigned to Koppers Co. Inc. 


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