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311383

Sigma-Aldrich

Arsenic(III) oxide

ACS reagent (primary standard)

Sinónimos:

Arsenic trioxide, Arsenous acid

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About This Item

Fórmula empírica (notación de Hill):
As2O3
Número de CAS:
1327-53-3
Peso molecular:
197.84
EC Number:
215-481-4
MDL number:
MFCD00003433
UNSPSC Code:
12171602
PubChem Substance ID:
329753664
NACRES:
NB.24

grade

ACS reagent (primary standard)

Quality Level

200

vapor pressure

0 hPa ( 66 °C)

assay

99.95-100.05%

form

powder

reaction suitability

reagent type: catalyst
core: arsenic

ign. residue

≤0.02%

solubility

dilute HCl: insoluble ≤0.01%

anion traces

S2-: passes test (lim. ~0.001%)
chloride (Cl-): ≤0.005%

cation traces

Fe: ≤5 ppm
Pb: ≤0.002%
Sb: ≤0.05%

SMILES string

O=[As]O[As]=O

InChI

1S/As2O3/c3-1-5-2-4

InChI key

IKWTVSLWAPBBKU-UHFFFAOYSA-N

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Categorías relacionadas

General description

Arsenic (III) oxide, also referred to as arsenic trioxide, is an amphoteric oxide that is used as a raw material to produce several arsenic-based compounds.

Application

Arsenic (III) oxide is used
  • In the synthesis of arsenic pentafluoride (AsF5) by static fluorination method in a closed system.
  • In the preparation of arsenic-doped ZnO films by adding As2O3 to zinc acetate, 2-methoxyethanol, and monoethanolamine by sol-gel spin coating method.

signalword

Danger

Hazard Classifications

Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A - Eye Dam. 1 - Skin Corr. 1B - STOT RE 1

target_organs

Respiratory system,Cardio-vascular system,Gastrointestinal tract

Storage Class

6.1A - 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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Xiao Liu et al.
Science China. Life sciences, 63(11), 1744-1754 (2020-05-10)
This study aimed to explore macrophage polarization in acute graft-versus-host disease after hematopoietic stem cell transplantation, and investigated if arsenic trioxide (ATO) could correct this imbalance. In the colon of GVHD mice, we found that the number of F4/80+iNOS+ cells
Yuhua Fan et al.
Cellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacology, 31(1), 80-91 (2013-02-01)
Arsenic trioxide (As2O3) is a highly effective agent for treatment of acute promyelocytic leukemia (APL). However, consecutively administered As2O3 induces serious adverse cardiac effects, including long QT syndrome (LQTs) and even sudden cardiac death. Previous studies have shown that genistein
Yanfei Jia et al.
PloS one, 8(1), e54774-e54774 (2013-02-06)
Alpha-fetoprotein (AFP)-producing gastric cancer (AFPGC), represented by the production of AFP, has a more aggressive behavior than common gastric cancer. The underlying mechanisms are not well understood. Arsenic trioxide (As(2)O(3)) is used clinically to treat acute promyelocytic leukemia(APL) and has
Cui Li et al.
Toxicology letters, 219(3), 223-230 (2013-04-02)
Arsenic trioxide (As2O3; ATO) is clinically effective in treating acute promyelocytic leukemia (APL); however, it frequently causes cardiotoxic effects. This study was designed to investigate whether ATO could induce apoptosis of cardiac fibroblasts (CFs) that play very important roles in
Ling-Huei Yih et al.
Toxicology and applied pharmacology, 267(3), 228-237 (2013-01-29)
Accumulated evidence has revealed a tight link between arsenic trioxide (ATO)-induced apoptosis and mitotic arrest in cancer cells. AKT, a serine/threonine kinase frequently over-activated in diverse tumors, plays critical roles in stimulating cell cycle progression, abrogating cell cycle checkpoints, suppressing
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