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230405

Sigma-Aldrich

Mercury(I) chloride

ACS reagent, ≥99.5%

Synonym(s):

Calomel, Mercurous chloride

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About This Item

Linear Formula:
Hg2Cl2
CAS Number:
Molecular Weight:
472.09
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
Assay:
≥99.5%
grade:
ACS reagent
form:
powder

grade

ACS reagent

Assay

≥99.5%

form

powder

reaction suitability

reagent type: catalyst
core: mercury

impurities

≤0.01% HgCl2

reduction residue

≤0.02%

mp

400 °C (subl.) (lit.)

anion traces

sulfate (SO42-): ≤0.01%

cation traces

HgCl2: ≤0.01%

SMILES string

Cl[Hg][Hg]Cl

InChI

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

InChI key

ZOMNIUBKTOKEHS-UHFFFAOYSA-L

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Pictograms

Skull and crossbonesEnvironment

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Mercurous chloride catalyzed Mannich condensation of terminal alkynes with secondary amines and aldehydes.
Pin-Hua L and Lei W.
Chin. J. Chem., 23(8), 1076-1080 (2005)
Purification and growth of mercurous chloride single crystals.
Singh NB, et al.
Journal of Crystal Growth, 75(1), 173-180 (1986)
Eagleson M.
Concise Encyclopedia Chemistry, 166-166 (1994)
Mercury (II) Chloride-Mediated Desulphurization of Amidinothioureas: Synthesis and Antimicrobial Activity of 3-Amino-1, 2, 4-triazole Derivatives.
Yerande SG, et al.
Journal of Heterocyclic Chemistry, 51(6), 1883-1887 (2014)
Richard K Monroe et al.
Neurotoxicology, 30(4), 589-598 (2009-07-29)
Cadmium, mercury and rotenone are environmental pollutants whose neurotoxic mechanisms are not fully understood. We have shown previously that exposure of nerve cells to these agents produces oxidative stress which reversibly blocks growth factor and cytokine-mediated Janus kinase (Jak)/signal transducer

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