Calcium hydrosulfide

Calcium hydrosulfide
Names
	IUPAC name Calcium hydrosulfide
	Other names Calcium hydrogensulfide; Calcium hydrogen sulfide
Identifiers
CAS Number	15512-36-4https://haz-map.com/Agents/1592;
3D model (JSmol)	Interactive image;
ChemSpider	10737549;
EC Number	235-209-8;
PubChem CID	12906350;
CompTox Dashboard (EPA)	DTXSID90923779 ;
	InChI InChI=1S/Ca.2H2S/h;2*1H2/q 2;;/p-2 Key: YAECNLICDQSIKA-UHFFFAOYSA-L;
	SMILES [SH-].[SH-].[Ca 2];
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 [77 °F], 100 kPa). Infobox references

Calcium hydrosulfide is the chemical compound with the formula Ca(HS)
₂ or CaH
₂S
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

^ "Calcium hydrosulfide". pubchem.ncbi.nlm.nih.gov. National Library of Medicine. Retrieved 5 November 2020.
^ 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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[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.

[1]

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