221090
Mercury(II) iodide
ACS reagent, ≥99.0%
Synonym(s):
Mercuric iodide red
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About This Item
Linear Formula:
HgI2
CAS Number:
Molecular Weight:
454.40
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-873-8
MDL number:
Assay:
≥99.0%
Grade:
ACS reagent
Form:
powder
Solubility:
potassium iodide solution: passes test
grade
ACS reagent
Quality Segment
assay
≥99.0%
form
powder
reaction suitability
reagent type: catalyst
core: mercury
impurities
≤0.05% soluble Hg salts
bp
354 °C (lit.)
mp
259 °C (lit.)
solubility
potassium iodide solution: passes test
cation traces
Hg+: ≤0.1%
SMILES string
I[Hg]I
InChI
1S/Hg.2HI/h;2*1H/q+2;;/p-2
InChI key
YFDLHELOZYVNJE-UHFFFAOYSA-L
General description
Red mercuric oxide possesses the ability to detect high energy radiation (X- and γ-rays) and is used in nuclear radiation detectors.
Application
Mercury(II) iodide may be used in the preparation of the following:
- mercury(II) acetate
- diiodobis(1-methyl-1,3-imidazolium-2-thiolato-S)mercury(II)
- [Hg2(L)(I)4] and [(L′)Hg(μ-I)2HgI2]n (L = N, N′-bis(phenyl(pyridin-2-yl)methylene)propane-1,2-diamine, L′ = N-(phenyl(pyridin-2-yl)methylene)propane-1,2-diamine)
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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
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