Tin(IV) sulfide

Tin(IV) sulfide
Sn4+(S2−)2
Names
IUPAC name
Tin(IV) sulfide
Other names
Tin disulfide, Stannic sulfide, Mosaic gold
Identifiers
3D model (JSmol)
ChEBI
ECHA InfoCard 100.013.867
EC Number
  • 215-252-9
UNII
  • InChI=1S/2S.Sn/q2*-2;+4 N[inchi]
    Key: TUTLDIXHQPSHHQ-UHFFFAOYSA-N N[inchi]
  • [S-2].[S-2].[Sn+4]
  • (S=Sn=S): S=[Sn]=S
Properties
S2Sn
Molar mass 182.83 g·mol−1
Appearance Gold-yellow powder
Odor Odorless
Density 4.5 g/cm3
Melting point 600 °C (1,112 °F; 873 K)
decomposes
Insoluble
Solubility Soluble in aq. alkalis, decompose in aqua regia
Insoluble in alkyl acetates, acetone
Structure
Rhombohedral, hP3
P3m1, No. 164
3 2/m
a = 3.65 Å, c = 5.88 Å
α = 90°, β = 90°, γ = 120°
Octahedral (Sn4+)
Hazards
GHS labelling:
Warning
H302, H312, H315, H319, H332, H335
P261, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P332+P313
NFPA 704 (fire diamond)
1
0
0
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

Tin(IV) sulfide is a compound with the formula SnS2. A brown, water-insoluble solid, it is a semiconductor with band gap 2.2 eV. It occurs naturally as the rare mineral berndtite.