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Merck

M1136

Mercury(II) chloride

ReagentPlus®, 99%

Synonym(s):

Mercuric chloride

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About This Item

Linear Formula:
HgCl2
CAS Number:
7487-94-7
Molecular Weight:
271.50
NACRES:
NA.21
PubChem Substance ID:
329817859
UNSPSC Code:
12352302
EC Number:
231-299-8
MDL number:
MFCD00011041
Assay:
99%
Form:
powder

Key Documents

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Product Name

Mercury(II) chloride, ReagentPlus®, 99%

InChI

1S/2ClH.Hg/h2*1H;/q;;+2/p-2

InChI key

LWJROJCJINYWOX-UHFFFAOYSA-L

SMILES string

Cl[Hg]Cl

vapor pressure

1.3 mmHg ( 236 °C)

product line

ReagentPlus®

assay

99%

form

powder

reaction suitability

reagent type: catalyst
core: mercury

mp

277 °C (lit.)

Quality Level

200

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Analysis Note

May contain black specks

Application

Mercury(II) chloride (HgCl2) has been used in a study to understand its toxic impact on rat cortical neurons.
It may be used as a catalyst for the addition reaction between aromatic amines and terminal acetylenes. It may also be used in the synthesis of [(HgCl2)2(HgCl2)(2-bppt)]n where 2-bppt= bis[4-(pyridine-2-yl)pyrimidin-2-ylthio]methane.
It assists in the following reactions:
  • Cyclization of amidinothioureas with phenyl hydrazine to afford 3-amino-1,2,4-triazole derivatives.
  • Cyclization-rearrangement of O-propargyl glycolaldehyde dithioacetals leading to the formation of 3-pyranones.
  • Reductive dimerization and cyclization of α,β-unsaturated ketones to generate 3,4-trans-diarylcyclopentanols.

General description

Mercury(II) chloride is an inorganic salt with the molecular formula HgCl2. Its vapor phase Raman spectra has been recorded and analyzed. The molecular structure of HgCl2 has been investigated based on the electron diffraction analysis data. The effect of strong acids on its stretching vibration frequencies has been studied.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

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Danger

Hazard Classifications

Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Muta. 2 - Repr. 2 - Skin Corr. 1B - STOT RE 1

Storage Class

6.1B - Non-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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Certificates of Analysis (COA)

Lot/Batch Number
SLCR2969
SLCR2969
0000310133
0000310133
SLCN2931

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Raman spectra of mercury (II) chloride in aqueous solutions of strong acids.
Waters DN and Kantarci Z.
Journal of Raman Spectroscopy, 12(1), 109-110 (1982)
Electron diffraction investigation of gaseous mercury (II) chloride.
Kashiwabara K, et al.
Bulletin of the Chemical Society of Japan, 46(2), 410-413 (1973)
A one-dimensional coordination chain constructed by mercury (II) chloride and bis [4-(pyridine-2-yl) pyrimidin-2-ylthio] methane.
Zhu HB, et al.
J. Chem. Res. (M), 36(10), 598-599 (2012)
Catalytic and non-catalytic addition of aromatic amines to terminal acetylenes in the presence of mercury (II) chloride and acetate.
Barluenga J, et al.
Journal of the Chemical Society. Perkin Transactions 1, 1980, 2732-2737 null
Mercury(II)chloride-mediated cyclization-Rearrangement of O-propargylglycolaldehyde dithioacetals to 3-pyranone dithioketals: An expeditious access to 3-pyranones.
Ghorai S and Bhattacharjya A.
Organic Letters, 7(2), 207-210 (2005)
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