Lead(II) sulfide

Lead(II) sulfide
Names
	Other names Plumbous sulfide; Galena, Sulphuret of lead
Identifiers
CAS Number	1314-87-0 ;
3D model (JSmol)	Interactive image;
ChemSpider	14135 ;
ECHA InfoCard	100.013.861
EC Number	215-246-6;
PubChem CID	14819;
RTECS number	OG4550000;
UNII	2425D15SYM ;
UN number	3077
CompTox Dashboard (EPA)	DTXSID401352852 DTXSID0025498, DTXSID401352852 ;
	InChI InChI=1S/Pb.S Key: XCAUINMIESBTBL-UHFFFAOYSA-N ;
	SMILES [Pb]=S;
Properties
Chemical formula	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)
Solubility in water	2.6×10−11 kg/kg (calculated, at pH=7) 8.6×10−7 kg/kg
Magnetic susceptibility (χ)	−83.6·10−6 cm3/mol
Refractive index (nD)	3.91
Structure
Crystal structure	Halite (cubic), cF8
Space group	Fm3m, No. 225
Lattice constant	a = 5.936 Å
Formula units (Z)	4
Coordination geometry	Octahedral (Pb2+); Octahedral (S2−)
Dipole moment	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:
Pictograms
Signal word	Danger
Hazard statements	H302, H332, H360, H373, H410
Precautionary statements	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)	2 0 0
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). verify (what is ?) Infobox references

Lead(II) sulfide (also spelled sulphide) is an inorganic compound with the formula Pb S. 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

[crc-1] Haynes, p. 4.69

[2] Linke, W. (1965). Solubilities. Inorganic and Metal-Organic Compounds. Vol. 2. Washington, D.C.: American Chemical Society. p. 1318.

[3] Ronald Eisler (2000). Handbook of Chemical Risk Assessment. CRC Press. ISBN 978-1-56670-506-6.

[4] Haynes, p. 4.128

[5] Haynes, p. 4.135

[6] Haynes, p. 9.63

[7] Haynes, p. 4.141

[8] Haynes, p. 5.25

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[7]

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Names


Other names Plumbous sulfide Galena, Sulphuret of lead
Identifiers
CAS Number	1314-87-0^Y
3D model (JSmol)	Interactive image
ChemSpider	14135^Y
ECHA InfoCard	100.013.861
EC Number	215-246-6
PubChem CID	14819
RTECS number	OG4550000
UNII	2425D15SYM^Y
UN number	3077
CompTox Dashboard (EPA)	DTXSID401352852 DTXSID0025498, DTXSID401352852
InChI InChI=1S/Pb.S^N Key: XCAUINMIESBTBL-UHFFFAOYSA-N^N
SMILES [Pb]=S
Properties
Chemical formula	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)
Solubility in water	2.6×10⁻¹¹ kg/kg (calculated, at pH=7)^[2] 8.6×10⁻⁷ kg/kg^[3]
Magnetic susceptibility (χ)	−83.6·10⁻⁶ cm³/mol^[4]
Refractive index (n_D)	3.91^[5]
Structure^[7]
Crystal structure	Halite (cubic), cF8
Space group	Fm3m, No. 225
Lattice constant	a = 5.936 Å
Formula units (Z)	4
Coordination geometry	Octahedral (Pb²⁺) Octahedral (S²⁻)
Dipole moment	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 (Δ_fH^⦵₂₉₈)	−100.4 kJ/mol
Gibbs free energy (Δ_fG^⦵)	−98.7 kJ/mol
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H302, H332, H360, H373, H410
Precautionary statements	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)	2 0 0
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). N verify (what is ^YN ?) Infobox references