Lead(II) sulfide
| Names | |
|---|---|
| Other names
Plumbous sulfide Galena, Sulphuret of lead | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.013.861 |
| EC Number |
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PubChem CID |
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| RTECS number |
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| UNII | |
| UN number | 3077 |
CompTox Dashboard (EPA) |
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| Properties | |
| PbS | |
| Molar mass | 239.30 g/mol |
| Appearance | Black |
| Density | 7.60 g/cm3 |
| Melting point | 1,113 °C (2,035 °F; 1,386 K) |
| Boiling point | 1,281 °C (2,338 °F; 1,554 K) |
| 2.6×10−11 kg/kg (calculated, at pH=7) 8.6×10−7 kg/kg | |
| −83.6·10−6 cm3/mol | |
Refractive index (nD) |
3.91 |
| Structure | |
| Halite (cubic), cF8 | |
| Fm3m, No. 225 | |
a = 5.936 Å | |
Formula units (Z) |
4 |
| Octahedral (Pb2+) Octahedral (S2−) | |
| 3.59 D | |
| Thermochemistry | |
Heat capacity (C) |
49.5 J/mol⋅K |
Std molar entropy (S⦵298) |
91.2 J/mol |
Std enthalpy of formation (ΔfH⦵298) |
−100.4 kJ/mol |
Gibbs free energy (ΔfG⦵) |
−98.7 kJ/mol |
| Hazards | |
| GHS labelling: | |
| Danger | |
| H302, H332, H360, H373, H410 | |
| P201, P202, P260, P261, P264, P270, P271, P273, P281, P301+P312, P304+P312, P304+P340, P308+P313, P312, P314, P330, P391, P405, P501 | |
| NFPA 704 (fire diamond) | |
| Flash point | Non-flammable |
| Safety data sheet (SDS) | External MSDS |
| Related compounds | |
Other anions |
Lead(II) oxide Lead selenide Lead telluride |
Other cations |
Carbon monosulfide Silicon monosulfide Germanium(II) sulfide Tin(II) sulfide |
Related compounds |
Thallium sulfide Lead(IV) sulfide Bismuth sulfide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
Lead(II) sulfide (also spelled sulphide) is an inorganic compound with the formula PbS. Galena is the principal ore and the most important compound of lead. It is a semiconducting material with niche uses.