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83379

Sigma-Aldrich

Mercury(II) iodide red

puriss. p.a., ACS reagent, red, ≥99.0% (RT)

Synonym(s):

Mercuric iodide red

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About This Item

Empirical Formula (Hill Notation):
HgI2
CAS Number:
7774-29-0
Molecular Weight:
454.40
EC Number:
231-873-8
MDL number:
MFCD00011044
UNSPSC Code:
12352302
PubChem Substance ID:
329769074
NACRES:
NB.24

grade

ACS reagent
puriss. p.a.

Assay

≥99.0% (RT)

form

powder

cation traces

Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤20 mg/kg
Hg+: ≤1000 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

SMILES string

I[Hg]I

InChI

1S/Hg.2HI/h;2*1H/q+2;;/p-2

InChI key

YFDLHELOZYVNJE-UHFFFAOYSA-L

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General description

Mercury(II) iodide red (HgI2) is formed during iodometric analysis.

Application

Mercury(II) iodide may be used in the preparation of mercury(II) acetate and di­iodo­bis(1-methyl-1,3-imidazolium-2-thiol­ato-S)­mercury(II).

Signal Word

Danger

Hazard Classifications

Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Eagleson M.
Concise Encyclopedia Chemistry, 637-637 (1994)
Diiodobis (1-methyl-1, 3-imidazolium-2-thiolato-S) mercury (II).
Pavlovic G, et al.
Acta Crystallographica Section C, Crystal Structure Communications, 56(7), 801-803 (2000)
Health hazard from mercury soap.
E S Mucklow
Lancet (London, England), 1(8635), 448-448 (1989-02-25)
Acute renal failure associated with application of a mercuric blister in a horse.
M D Markel et al.
Journal of the American Veterinary Medical Association, 185(1), 92-94 (1984-07-01)
Zhong Su et al.
Physics in medicine and biology, 50(12), 2907-2928 (2005-06-03)
The signal properties of polycrystalline mercuric iodide (HgI2) film detectors, under irradiation conditions relevant to mammographic, radiographic, fluoroscopic and radiotherapy x-ray imaging, are reported. Each film detector consists of an approximately 230 to approximately 460 microm thick layer of HgI2
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