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Arsenic(III) oxide

ACS reagent (primary standard)

Synonyme(s) :

Arsenic trioxide, Arsenous acid

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A propos de cet article

Formule empirique (notation de Hill) :
As2O3
Numéro CAS:
1327-53-3
Poids moléculaire :
197.84
NACRES:
NB.24
PubChem Substance ID:
329753664
UNSPSC Code:
12171602
EC Number:
215-481-4
MDL number:
MFCD00003433
eCl@ss:
38080102
Assay:
99.95-100.05%
Grade:
ACS reagent (primary standard)
Form:
powder
Solubility:
dilute HCl: insoluble ≤0.01%
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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

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.

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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

Classe de stockage

6.1A - 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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Certificats d'analyse (COA)

Lot/Batch Number
MKCZ7675
MKCX9815
MKCW9729
MKCV6822
MKCW0324

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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
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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