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MilliporeSigma

221082

Sigma-Aldrich

Mercury(II) oxide yellow

ACS reagent, ≥99.0%

Sinónimos:

Mercuric oxide yellow

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About This Item

Fórmula lineal:
HgO
Número de CAS:
Peso molecular:
216.59
EC Number:
MDL number:
UNSPSC Code:
12352303
PubChem Substance ID:
NACRES:
NB.24

grade

ACS reagent

Quality Level

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%

SMILES string

O=[Hg]

InChI

1S/Hg.O

InChI key

UKWHYYKOEPRTIC-UHFFFAOYSA-N

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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_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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Concise Inorganic Pharmaceutical Chemistry (phar.Che-I) (2008)
Koenigs-Knorr syntheses with mercuric salts.
Schroeder LR and Green JW.
J. Chem. Soc. Sect. C, 530-531 (1966)
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)
B Kamoun et al.
Journal francais d'ophtalmologie, 22(5), 525-527 (1999-07-27)
Demodex folliculorum has been incriminated in the development of blepharitis although much controversy persists. Certain authors suggest that Demodex is a direct pathogen in chronic palpebral conditions while others consider the saprophyte to be innocuous to skin. We conducted a

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