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:
Molecular Weight:
216.59
NACRES:
NB.24
PubChem Substance ID:
UNSPSC Code:
12352303
EC Number:
244-654-7
MDL number:
Assay:
≥99.0%
Grade:
ACS reagent
Form:
powder
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
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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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)
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
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 221082-5G | 04061838776891 |
| 221082-500G | 04061838776884 |
| 221082-100G | 04061835346769 |