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M1136

Sigma-Aldrich

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
EC Number:
231-299-8
MDL number:
MFCD00011041
UNSPSC Code:
12352302
PubChem Substance ID:
329817859
NACRES:
NA.21

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.)

SMILES string

Cl[Hg]Cl

InChI

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

InChI key

LWJROJCJINYWOX-UHFFFAOYSA-L

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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.

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.

Quality

May contain black specks

Legal Information

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

Signal Word

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 Code

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

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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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)
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)
Electron diffraction investigation of gaseous mercury (II) chloride.
Kashiwabara K, et al.
Bulletin of the Chemical Society of Japan, 46(2), 410-413 (1973)
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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