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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:

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


Certificates of Analysis (COA)

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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)
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)
Eagleson M.
Concise Encyclopedia Chemistry, 166-166 (1994)
Purification and growth of mercurous chloride single crystals.
Singh NB, et al.
Journal of Crystal Growth, 75(1), 173-180 (1986)
The puzzle of pink disease.
J Black
Journal of the Royal Society of Medicine, 92(9), 478-481 (2000-01-25)

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