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Merck
CN

221082

Mercury(II) oxide yellow

ACS reagent, ≥99.0%

Synonym(s):

Mercuric oxide yellow

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About This Item

Linear Formula:
HgO
CAS Number:
21908-53-2
Molecular Weight:
216.59
NACRES:
NB.24
PubChem Substance ID:
329752247
UNSPSC Code:
12352303
EC Number:
244-654-7
MDL number:
MFCD00011045
Assay:
≥99.0%
Grade:
ACS reagent
Form:
powder

Key Documents

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InChI key

UKWHYYKOEPRTIC-UHFFFAOYSA-N

InChI

1S/Hg.O

SMILES string

O=[Hg]

grade

ACS reagent

assay

≥99.0%

form

powder

reaction suitability

reagent type: catalyst
core: mercury

impurities

≤0.005% N compounds, ≤0.03% insol. dil. HCl

reduction residue

≤0.05%

mp

500 °C (dec.) (lit.)

anion traces

chloride (Cl-): ≤0.025%, sulfate (SO42-): ≤0.01%

cation traces

Fe: ≤0.003%

Quality Level

200

Related Categories

General description

Yellow mercuric oxide shows antibacterial property and is commonly used in ophthalmic ointments.

Application

Yellow mercuric oxide in the presence of mercuric bromide catalyst may be used in the preparation of alkyl β-D-glucopyranoside tetra-O-acetates and tetra-O-benzoates from poly-O-acyl-α-D-glucopyranosyl bromides and different alcohols via Koenigs-Knorr syntheses.

signalword

Danger

Hazard Classifications

Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2

target_organs

Kidney

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

Regulatory Information

监管及禁止进口产品
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Certificates of Analysis (COA)

Lot/Batch Number
SLCR1745
SLCR1745
SLCM8354
SLCJ4720
SLCF2686

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Koenigs-Knorr syntheses with mercuric salts.
Schroeder LR and Green JW.
J. Chem. Soc. Sect. C, 530-531 (1966)
Concise Inorganic Pharmaceutical Chemistry (phar.Che-I) (2008)
I Ashkenazi et al.
The British journal of ophthalmology, 75(6), 356-358 (1991-06-01)
Thirty-five patients presenting with phthiriasis palpebrarum were all treated with a regimen of 1% yellow oxide of mercury ointment four times daily for 14 days. At the conclusion of treatment there was complete resolution of the signs and symptoms of
D M Riley et al.
Environmental health perspectives, 109(8), 779-784 (2001-09-21)
Use of elemental mercury in certain cultural and religious practices can cause high exposures to mercury vapor. Uses include sprinkling mercury on the floor of a home or car, burning it in a candle, and mixing it with perfume. Some
Inhalational mercury poisoning masquerading as toxic shock syndrome.
S B Mohan et al.
Anaesthesia and intensive care, 22(3), 305-306 (1994-06-01)
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