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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SMILES
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| Properties | |
| PbS | |
| Molar mass | 239.30 g/mol |
| Appearance | Black |
| Density | 7.60 g/cm3[1] |
| Melting point | 1,113[1] °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)[2] 8.6×10−7 kg/kg[3] | |
Magnetic susceptibility (χ)
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−83.6·10−6 cm3/mol[4] |
Refractive index (nD)
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3.91[5] |
| Structure[7] | |
| Halite (cubic), cF8 | |
| Fm3m, No. 225 | |
Lattice constant
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a = 5.936 Å
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Formula units (Z)
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4 |
Coordination geometry
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Octahedral (Pb2+) Octahedral (S2−) |
Dipole moment
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3.59 D[6] |
| Thermochemistry[8] | |
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: | |
Pictograms
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| Danger | |
Hazard statements
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H302, H332, H360, H373, H410 |
Precautionary statements
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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
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Lead(II) oxide Lead selenide Lead telluride |
Other cations
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Carbon monosulfide Silicon monosulfide Germanium(II) sulfide Tin(II) sulfide |
Related compounds
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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
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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.
- ^ a b Haynes, p. 4.69
- ^ Linke, W. (1965). Solubilities. Inorganic and Metal-Organic Compounds. Vol. 2. Washington, D.C.: American Chemical Society. p. 1318.
- ^ Ronald Eisler (2000). Handbook of Chemical Risk Assessment. CRC Press. ISBN 978-1-56670-506-6.
- ^ Haynes, p. 4.128
- ^ Haynes, p. 4.135
- ^ Haynes, p. 9.63
- ^ Haynes, p. 4.141
- ^ Haynes, p. 5.25