Tin(IV) sulfide
Sn4+(S2−)2 | |
| Names | |
|---|---|
| IUPAC name
Tin(IV) sulfide | |
| Other names
Tin disulfide, Stannic sulfide, Mosaic gold | |
| Identifiers | |
3D model (JSmol) |
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| ChEBI | |
| ECHA InfoCard | 100.013.867 |
| EC Number |
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PubChem CID |
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| UNII | |
CompTox Dashboard (EPA) |
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| 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) | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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.