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Merck
CN

483257

Arsenic(V) oxide

99%

Synonym(s):

Arsenic pentoxide

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About This Item

Linear Formula:
As2O5
CAS Number:
Molecular Weight:
229.84
UNSPSC Code:
12352300
PubChem Substance ID:
EC Number:
215-116-9
MDL number:
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InChI key

COHDHYZHOPQOFD-UHFFFAOYSA-N

InChI

1S/As2O5/c3-1(4)7-2(5)6

SMILES string

O=[As](=O)O[As](=O)=O

assay

99%

reaction suitability

core: arsenic, reagent type: catalyst

mp

>300 °C (lit.)

signalword

Danger

Hazard Classifications

Acute Tox. 2 Oral - Acute Tox. 3 Inhalation - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A

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

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Regulatory Information

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Yong-Kun Sun et al.
Zhongguo yi xue ke xue yuan xue bao. Acta Academiae Medicinae Sinicae, 31(5), 538-541 (2009-12-09)
To investigate the effects of arsenic pentaoxide (As2O5) on the proliferation and apoptosis of endothelial cells and compare the effect of As2O5 and arsenic trioxide (As2O3) in vitro. Human umbilical vein endothelial cells (HUVEC) were incubated with or without As2O5
T M Allen et al.
Analytical chemistry, 68(22), 4052-4059 (1996-11-15)
Positive and negative ion mass spectra of arsenic trioxide (As2O3) and arsenic pentaoxide (As2O5) have been obtained by single-step laser desorption/ionization time-of-flight mass spectrometry. Pulsed UV radiation at 266 nm was used for the simultaneous desorption and ionization of the
Emma-Tuulia Tolonen et al.
Journal of environmental management, 181, 856-862 (2016-07-12)
The aim of this research was to investigate sulphate removal from mine water by precipitation as ettringite (Ca6Al2(SO4)3(OH)12·26H2O) and the utilisation of the precipitate as a sorbent for arsenate removal. The mine water sulphate concentration was reduced by 85-90% from
Wai-Pui Tse et al.
The Journal of pharmacology and experimental therapeutics, 326(2), 388-394 (2008-05-03)
Arsenic compounds have been traditionally used to treat a variety of ailments, including skin diseases. Our previous study identified the extract of realgar to possess potent antiproliferative action on HaCaT cells. The present study aimed at evaluating whether several inorganic
K R Lowry et al.
Journal of animal science, 67(4), 959-965 (1989-04-01)
Young chicks exhibited a 61% reduction in weight gain when a corn-soybean meal diet was supplemented with 15 mg/kg Se provided as Na selenite. The same level of Se provided as selenomethionine depressed weight gain by 32%. Supplementing the high

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