Merck
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311383

Sigma-Aldrich

Arsenic(III) oxide

ACS reagent (primary standard)

Synonym(s):
Arsenic trioxide, Arsenous acid
Empirical Formula (Hill Notation):
As2O3
CAS Number:
Molecular Weight:
197.84
Número EC:
Número MDL:
ID de substância PubChem:
NACRES:
NB.24

grau

ACS reagent (primary standard)

Nível de qualidade

200

pressão de vapor

0 hPa ( 66 °C)

teor

99.95-100.05%

forma

powder

reaction suitability

reagent type: catalyst
core: arsenic

resíduo de ignição

≤0.02%

solubilidade

dilute HCl: insoluble ≤0.01%

traços de ânion

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

traços de cátion

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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Palavra indicadora

Danger

Classificações de perigo

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

Código de classe de armazenamento

6.1B - Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Ponto de fulgor (ºF)

Not applicable

Ponto de fulgor (ºC)

Not applicable

Certificate of Analysis

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Certificate of Origin

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