Mercury(II) fluoride

{{chembox

| Verifiedfields = changed

| Watchedfields = changed

| verifiedrevid = 428719936

| Name = Mercury(II) fluoride

| ImageFile = Mercury(II)-fluoride-xtal-3D-sticks.png

| ImageSize =

| ImageName = Mercury(II) fluoride

| IUPACName = Mercury(II) fluoride

| OtherNames = Mercuric fluoride

|Section1={{Chembox Identifiers

| CASNo = 7783-39-3

| CASNo_Ref = {{cascite|correct|??}}

| ChemSpiderID = 74189

| UNII_Ref = {{fdacite|correct|FDA}}

| UNII = 1EGI9VXN9A

| RTECS =

| EC_number = 231-994-6

| PubChem = 82209

| InChI = 1S/2FH.Hg/h2*1H;/q;;+2/p-2

| InChIKey = FMSYTQMJOCCCQS-UHFFFAOYSA-L

| SMILES = F[Hg]F

}}

|Section2={{Chembox Properties

| Formula = HgF₂

| MolarMass = 238.587 g/mol

| Appearance = hygroscopic white cubic crystals

| Density = 8.95 g/cm³

| MeltingPt = decomposes at 645°C

| BoilingPt =

| Solubility = reacts

{{Citation |last= Lide |first= David R |year= 1998

| title = Handbook of Chemistry and Physics

| edition= 87th |location = Boca Raton, Florida |publisher= CRC Press |isbn= 0-8493-0594-2 |pages= 4–69}}

| SolubleOther =

| MagSus = −62.0·10⁻⁶ cm³/mol

}}

|Section3={{Chembox Structure

| CrystalStruct = Fluorite (cubic), cF12

| SpaceGroup = Fm{{overline|3}}m, No. 225

}}

|Section4={{Chembox Thermochemistry

| DeltaHf =

| DeltaHc =

| Entropy =

| HeatCapacity =

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|Section7={{Chembox Hazards

| MainHazards = highly toxic

| ExternalSDS =

| NFPA-H = 4

| NFPA-F = 0

| NFPA-R = 0

| GHSPictograms = {{GHS06}}{{GHS08}}{{GHS09}}

| FlashPt =

| HPhrases = {{H-phrases|300|310|330|373|410}}

| PPhrases = {{P-phrases|360|301+310|304+340|320|330|361|405|501}}{{cite web|url=https://www.alfa.com/it/msds/?language=EN&subformat=CLP1&sku=11533|title=Mercury(II) fluoride MSDS|publisher=ThermoFisher Scientific|access-date=2022-02-02}}

}}

|Section8={{Chembox Related

| OtherAnions = Mercury(II) chloride
Mercury(II) bromide
Mercury(II) iodide

| OtherCations = Mercury(I) fluoride
Zinc fluoride
Cadmium fluoride
Thallium(I) fluoride

}}

}}

Mercury(II) fluoride has the molecular formula HgF₂ as a chemical compound of one atom of mercury with 2 atoms of fluorine.