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Calcium hydrosulfide

From Wikipedia, the free encyclopedia
Calcium hydrosulfide
Names
IUPAC name
Calcium hydrosulfide
Other names
Calcium hydrogensulfide
Calcium hydrogen sulfide
Identifiers
3D model (JSmol)
ChemSpider
EC Number
  • 235-209-8
  • InChI=1S/Ca.2H2S/h;2*1H2/q+2;;/p-2
    Key: YAECNLICDQSIKA-UHFFFAOYSA-L
  • [SH-].[SH-].[Ca+2]
Properties
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 [77 °F], 100 kPa).

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

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

References

[edit]
  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.