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Merck
CN

230405

Mercury(I) chloride

ACS reagent, ≥99.5%

Synonym(s):

Calomel, Mercurous chloride

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About This Item

Linear Formula:
Hg2Cl2
CAS Number:
10112-91-1
Molecular Weight:
472.09
UNSPSC Code:
12352302
PubChem Substance ID:
329752372
EC Number:
233-307-5
MDL number:
MFCD00011043
Assay:
≥99.5%
Grade:
ACS reagent
Form:
powder

Key Documents

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InChI key

ZOMNIUBKTOKEHS-UHFFFAOYSA-L

InChI

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

SMILES string

Cl[Hg][Hg]Cl

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%

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pictograms

Skull and crossbonesEnvironment
GHS06,GHS09

signalword

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

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

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
SLCB9245
SLBR8781V
SLBP6525V
SLBK9863V
SLBJ8950V

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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)
Eagleson M.
Concise Encyclopedia Chemistry, 166-166 (1994)
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)
R B Palmer et al.
Journal of toxicology. Clinical toxicology, 38(7), 701-707 (2001-02-24)
Crema de Belleza-Manning is a popular mercurous chloride-containing beauty cream used to smooth and lighten the complexion and treat acne. Hundreds of people in the Southwestern US border states have been identified with elevated (>20 microg/L) urine mercury levels believed
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