Mercury(I) fluoride

Mercury(I) fluoride
Names
	IUPAC name Dimercury difluoride
	Other names Mercury(I) fluoride; Mercurous fluoride
Identifiers
CAS Number	13967-25-4 ;
3D model (JSmol)	Interactive image;
ChemSpider	21160213;
ECHA InfoCard	100.034.302
EC Number	237-747-9;
PubChem CID	4084556;
UNII	5Q0756885Y ;
CompTox Dashboard (EPA)	DTXSID6064820 ;
	InChI InChI=1S/2FH.2Hg/h21H;;/q;;2+1/p-2 Key: FQZUXVBMUHSNRN-UHFFFAOYSA-L;
	SMILES F[Hg][Hg]F;
Properties
Chemical formula	Hg2F2
Molar mass	439.177 g/mol
Appearance	yellow cubic crystals
Density	8.73 g/cm3, solid
Solubility in water	decomposes
Solubility product (Ksp)	3.1×10−6
Magnetic susceptibility (χ)	−26.5·10−6 cm3/mol
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H300, H310, H330, H373, H410
NFPA 704 (fire diamond)	4 0 0
Flash point	non-flammable
Related compounds
Other anions	Mercury(I) chloride; Mercury(I) bromide; Mercury(I) iodide
Other cations	Zinc fluoride; Cadmium fluoride
Related compounds	Mercury(II) fluoride
	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(I) fluoride or mercurous fluoride is the chemical compound composed of mercury and fluorine with the formula Hg₂F₂. It consists of small yellow cubic crystals, which turn black when exposed to light.^[1]

^ ^a ^b Perry, Dale L.; Phillips, Sidney L. (1995), Handbook of Inorganic Compounds, CRC Press, p. 256, ISBN 0-8493-8671-3, retrieved 2008-06-17
^ John Rumble (June 18, 2018). CRC Handbook of Chemistry and Physics (99 ed.). CRC Press. pp. 5–189. ISBN 978-1138561632.
^ 339318 Mercury(I) fluoride technical grade, Sigma-Aldrich, retrieved 2008-06-17

[hand-1] Perry, Dale L.; Phillips, Sidney L. (1995), Handbook of Inorganic Compounds, CRC Press, p. 256, ISBN 0-8493-8671-3, retrieved 2008-06-17

[crc-2] John Rumble (June 18, 2018). CRC Handbook of Chemistry and Physics (99 ed.). CRC Press. pp. 5–189. ISBN 978-1138561632.

[sa-3] 339318 Mercury(I) fluoride technical grade, Sigma-Aldrich, retrieved 2008-06-17

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[2]

[3]

Names

IUPAC name Dimercury difluoride
Other names Mercury(I) fluoride Mercurous fluoride
Identifiers
CAS Number	13967-25-4^Y
3D model (JSmol)	Interactive image
ChemSpider	21160213
ECHA InfoCard	100.034.302
EC Number	237-747-9
PubChem CID	4084556
UNII	5Q0756885Y^Y
CompTox Dashboard (EPA)	DTXSID6064820
InChI InChI=1S/2FH.2Hg/h21H;;/q;;2+1/p-2 Key: FQZUXVBMUHSNRN-UHFFFAOYSA-L
SMILES F[Hg][Hg]F
Properties
Chemical formula	Hg₂F₂
Molar mass	439.177 g/mol
Appearance	yellow cubic crystals
Density	8.73 g/cm³, solid
Solubility in water	decomposes^[1]
Solubility product (K_sp)	3.1×10⁻⁶^[2]
Magnetic susceptibility (χ)	−26.5·10⁻⁶ cm³/mol
Hazards^[3]
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H300, H310, H330, H373, H410
NFPA 704 (fire diamond)	4 0 0
Flash point	non-flammable
Related compounds
Other anions	Mercury(I) chloride Mercury(I) bromide Mercury(I) iodide
Other cations	Zinc fluoride Cadmium fluoride
Related compounds	Mercury(II) fluoride
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

Mercury(I) fluoride

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