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Merck
CN

213357

Mercury(II) oxide red

ACS reagent, ≥99.0%

Synonym(s):

Mercuric oxide red

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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:
329752146
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

≤0.025%

mp

500 °C (dec.) (lit.)

anion traces

chloride (Cl-): ≤0.025%, sulfate (SO42-): ≤0.015%

cation traces

Fe: ≤0.005%

Quality Level

200

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Related Categories

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
SLCL2855
SLCL9759
SLCN5256
SLCJ0005
SLCJ0004

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Chambers C and Holliday AK.
Inorganic Chemistry, 381-381 (2013)
C Sparkes et al.
The Journal of laryngology and otology, 111(9), 814-819 (1997-11-28)
The requirement to phase out mercuric oxide (mercury) batteries on environmental grounds has led to the widespread introduction of zinc-air technology. The possibility arises that high drain hearing aids may not be adequately catered for by zinc-air cells, leading to
H Suginome et al.
Steroids, 55(8), 353-359 (1990-08-01)
3 beta-Hydroxy-5 alpha-androstan-17-one was transformed into 17-oxa-5 alpha-androstan-3 beta-ol in five steps involving conversion of the 17-ketone via the corresponding lactol to its hypoiodite and thence a regioselective beta-scission under irradiation to give ring D seco iodoformate, from which the
D E Korzhevskiĭ
Morfologiia (Saint Petersburg, Russia), 124(4), 93-94 (2003-11-25)
The study was carried out with the aim of improvement of Harris' alum hematoxylin formula. In presented modified formula toxic mercuric oxide (2.5 g) is substituted by potassium iodate (0.55 g). Alum hematoxylin solution prepared according to suggested formula retains
Graydon Snider et al.
Physical chemistry chemical physics : PCCP, 10(36), 5616-5623 (2008-10-29)
Ozone is assumed to be the predominant tropospheric oxidant of gaseous elemental mercury (Hg0(g)), defining mercury global atmospheric lifetime. In this study we have examined the effects of two atmospherically relevant polar compounds, H2O(g) and CO(g), on the absolute rate
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