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Mercury(II) iodide

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Mercury(II) iodide

Molecular formula: HgI2 CAS# 7774-29-0
Categories: Inorganic salt
PubChem CID: 24485 | ChemSpider ID: 22893 | CHEBI:49659
Names
English:
Diiodomercury(IUPAC)
EINECS:231-873-8
Mercuric diiodide
Mercuric iodide
Mercury diiodide
Mercury iodide (HgI2)
Mercury(2+) diiodide
Mercury(2+) iodide
Mercury(II) iodide [Wiki]
Red Mercuric Iodide
Red mercury (α form only)
Русский:
Иодид ртути(II) [Wiki]
Иодистая ртуть
Йодид ртути(II)
German:
Hydrargyrum bijodatum
Quecksilber(II)-iodid [Wiki]
Quecksilberdiiodid(IUPAC)
Quecksilberiodid
العربية:
يوديد الزئبق الثنائي(IUPAC) [Wiki]
French:
Diiodure de mercure(IUPAC)
Italiano:
Ioduro mercurico [Wiki]
日本語:
ヨウ化水銀(II)(IUPAC) [Wiki]
中文:
二碘化汞
碘化汞 [Wiki]
碘化汞(II)
碘化高汞

Variants of the formula:

HgI2
I-Hg-I
I`^-$L(1.5)/hHg^++\hI^-
I^-$L(1.5)\0Hg^2+/0I^-
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Mercury(II) iodide is involved

  • {M}O + 2H{X} -> {M}{X}2 + H2O , where M = Cu Ca Mg Sr Ba Hg Mn Cr Ni Fe Cd Zn Pb; X = Cl F Br I
  • 2BiI3 + 3HgS "T"-> Bi2S3 + 3HgI2
  • HgI2 + 2KI -> K2[HgI4]
  • K2[HgI4] "400^oC"--> 2KI + HgI2
  • 3Hg + 2I2 -> HgI2 + Hg2I2