Tin(II) sulfide

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Tin(II) sulfide[1]
CAS number 1314-95-0 YesY
PubChem 426379
EC number 215-248-7
Jmol-3D images Image 1
Molecular formula SnS
Molar mass 150.775 g/mol
Appearance dark brown solid
Density 5.22 g/cm3
Melting point 882 °C (1,620 °F; 1,155 K)
Boiling point about 1230 ˚C
Solubility in water Insoluble
Crystal structure GeS type (orthorhombic), oP8
Space group Pnma, No. 62
Lattice constant a = 11.18 Å, b = 3.98 Å, c = 4.32 Å[2]
asymmetric 3-fold (strongly distorted octahedral)
EU Index Not listed
Main hazards Irritant
Related compounds
Other anions Tin(II) oxide
Tin selenide
Tin telluride
Other cations Carbon monosulfide
Silicon monosulfide
Germanium monosulfide
Lead(II) sulfide
Related compounds Tin(IV) sulfide
Tributyl tin sulfide
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

Tin(II) sulfide is a chemical compound of tin and sulfur. The chemical formula is SnS. Its natural occurrence concerns herzenbergite, a rare mineral.


Tin(II) sulfide can be prepared by reacting tin with sulfur, or tin(II) chloride with hydrogen sulfide.

Sn + S → SnS
SnCl2 + H2S → SnS + 2HCl


Tin(II) sulfide is a brown solid, insoluble in water, but soluble in concentrated hydrochloric acid. Tin (II) sulfide is soluble in (NH4)2S. It has a layer structure similar to that of black phosphorus[3]


  1. ^ Record of Tin(II) sulfide in the GESTIS Substance Database from the IFA, accessed on 4/9/2007
  2. ^ del Bucchia, S.; Jumas, J.C.; Maurin, M. (1981). "Contribution a l'etude de composes sulfures d'etain (II): Affinement de la structure de Sn S". Acta Cryst. B 37: 1903. doi:10.1107/s0567740881007528. 
  3. ^ Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. p. 1233. ISBN 0080379419.