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213357

Sigma-Aldrich

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
EC Number:
244-654-7
MDL number:
MFCD00011045
UNSPSC Code:
12352303
PubChem Substance ID:
329752146
NACRES:
NB.24

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%

SMILES string

O=[Hg]

InChI

1S/Hg.O

InChI key

UKWHYYKOEPRTIC-UHFFFAOYSA-N

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Related Categories

Signal Word

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 Code

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

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Chambers C and Holliday AK.
Inorganic Chemistry, 381-381 (2013)
S R Krystek et al.
International journal of peptide and protein research, 34(1), 52-55 (1989-07-01)
Treatment of peptides with excess HgO in the presence of alkaline cyanide leads to cleavage of the peptides at glycine residues. The reaction appears to involve both C- and N-mercuration with subsequent release of 2 mol mercury per mol of
Bingyan Han et al.
Analytical chemistry, 81(13), 5569-5573 (2009-06-09)
Herein, a sensitive and selective sensor for biothiols based on the recovered fluorescence of the CdTe quantum dots (QDs)-Hg(II) system is reported. Fluorescence of QDs could be quenched greatly by Hg(II). In the presence of biothiols, such as glutathione (GSH)
Damir Krznarić et al.
Analytical chemistry, 80(3), 742-749 (2008-01-11)
Mercury electrodes preconcentrate metal chalcogenide nanoparticles effectively, enabling their detection at submicromolar concentrations (as Sigma chalcogenide) by adsorptive cathodic stripping voltammetry. Understanding the unique behavior of nanoparticle analytes during preconcentration is critical for lowering detection limits and for quantification. A
R A Hyndiuk et al.
Antimicrobial agents and chemotherapy, 34(4), 610-613 (1990-04-01)
A double-masked, placebo-controlled, randomized study was done to assess the safety and clinical and quantitative microbiologic efficacy of 1% mercuric oxide (yellow) ophthalmic ointment in the treatment of eyelid infections, i.e., bacterial blepharitis. A total of 39 patients with bacterial
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