Mercury sulfide

Mercury sulfide
Names
	IUPAC name Mercury sulfide
	Other names Cinnabar; Vermilion
Identifiers
CAS Number	1344-48-5 ;
3D model (JSmol)	Interactive image;
ECHA InfoCard	100.014.270
EC Number	215-696-3;
PubChem CID	62402;
UNII	ZI0T668SF1 ;
UN number	2025
CompTox Dashboard (EPA)	DTXSID301318265 DTXSID0047747, DTXSID301318265 ;
	InChI InChI=1S/Hg.S Key: QXKXDIKCIPXUPL-UHFFFAOYSA-N;
	SMILES [S]=[Hg];
Properties
Chemical formula	HgS
Molar mass	232.66 g/mol
Density	8.10 g/cm3
Melting point	580 °C (1,076 °F; 853 K) decomposes
Solubility in water	insoluble
Band gap	2.1 eV (direct, α-HgS)
Magnetic susceptibility (χ)	−55.4·10−6 cm3/mol
Refractive index (nD)	w=2.905, e=3.256, bire=0.3510 (α-HgS)
Thermochemistry
Std molar; entropy (S⦵298)	78 J·mol−1·K−1
Std enthalpy of; formation (ΔfH⦵298)	−58 kJ·mol−1
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H300, H310, H317, H330, H373, H410
Precautionary statements	P261, P272, P280, P302+P352, P321, P333+P313, P363, P501
NFPA 704 (fire diamond)	4 0 0
Flash point	Non-flammable
Safety data sheet (SDS)	Fisher Scientific
Related compounds
Other anions	Mercury oxide; mercury selenide; mercury telluride
Other cations	Zinc sulfide; cadmium 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

Mercury sulfide, or mercury(II) sulfide is a chemical compound composed of the chemical elements mercury and sulfur. It is represented by the chemical formula HgS. It is virtually insoluble in water.^[4]

^ L. I. Berger, Semiconductor Materials (1997) CRC Press ISBN 0-8493-8912-7
^ Webminerals
^ ^a ^b Zumdahl, Steven S. (2009). Chemical Principles 6th Ed. Houghton Mifflin Company. p. A22. ISBN 978-0-618-94690-7.
^ Greenwood, Norman N.; Earnshaw, Alan (1984). Chemistry of the Elements. Oxford: Pergamon Press. p. 1406. ISBN 978-0-08-022057-4.

[1] L. I. Berger, Semiconductor Materials (1997) CRC Press ISBN 0-8493-8912-7

[2] Webminerals

[b1-3] Zumdahl, Steven S. (2009). Chemical Principles 6th Ed. Houghton Mifflin Company. p. A22. ISBN 978-0-618-94690-7.

[Greenwood-4] Greenwood, Norman N.; Earnshaw, Alan (1984). Chemistry of the Elements. Oxford: Pergamon Press. p. 1406. ISBN 978-0-08-022057-4.

[1]

[2]

[3]

[4]

Names

IUPAC name Mercury sulfide
Other names Cinnabar Vermilion
Identifiers
CAS Number	1344-48-5^Y
3D model (JSmol)	Interactive image
ECHA InfoCard	100.014.270
EC Number	215-696-3
PubChem CID	62402
UNII	ZI0T668SF1^Y
UN number	2025
CompTox Dashboard (EPA)	DTXSID301318265 DTXSID0047747, DTXSID301318265
InChI InChI=1S/Hg.S Key: QXKXDIKCIPXUPL-UHFFFAOYSA-N
SMILES [S]=[Hg]
Properties
Chemical formula	HgS
Molar mass	232.66 g/mol
Density	8.10 g/cm³
Melting point	580 °C (1,076 °F; 853 K) decomposes
Solubility in water	insoluble
Band gap	2.1 eV (direct, α-HgS) ^[1]
Magnetic susceptibility (χ)	−55.4·10⁻⁶ cm³/mol
Refractive index (n_D)	w=2.905, e=3.256, bire=0.3510 (α-HgS) ^[2]
Thermochemistry
Std molar entropy (S^⦵₂₉₈)	78 J·mol⁻¹·K⁻¹^[3]
Std enthalpy of formation (Δ_fH^⦵₂₉₈)	−58 kJ·mol⁻¹^[3]
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H300, H310, H317, H330, H373, H410
Precautionary statements	P261, P272, P280, P302+P352, P321, P333+P313, P363, P501
NFPA 704 (fire diamond)	4 0 0
Flash point	Non-flammable
Safety data sheet (SDS)	Fisher Scientific
Related compounds
Other anions	Mercury oxide mercury selenide mercury telluride
Other cations	Zinc sulfide cadmium 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