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Merck
CN

83379

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:
Molecular Weight:
454.40
NACRES:
NB.24
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-873-8
MDL number:
Assay:
≥99.0% (RT)
Form:
powder
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InChI

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

InChI key

YFDLHELOZYVNJE-UHFFFAOYSA-L

SMILES string

I[Hg]I

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

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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).

signalword

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

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

Regulatory Information

危险化学品
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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)
Eagleson M.
Concise Encyclopedia Chemistry, 637-637 (1994)
Eagleson M.
Concise Encyclopedia Chemistry, 542-542 (1994)
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
[Experimental study of the allergenic activity of red mercuric iodide as an atmospheric pollutant].
A B Ermachenko
Gigiena i sanitariia, (11)(11), 82-83 (1983-11-01)

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