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255459

Sigma-Aldrich

Arsenic(V) oxide hydrate

97%

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Synonym(s):
Arsenic pentoxide hydrate
Linear Formula:
As2O5 · xH2O
CAS Number:
Molecular Weight:
229.84 (anhydrous basis)
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

assay

97%

form

powder

composition

Degree of hydration, ~3

density

4.32 g/mL at 25 °C (lit.)

SMILES string

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

InChI

1S/As2O5.H2O/c3-1(4)7-2(5)6;/h;1H2

InChI key

XSIWZGKXZLITBO-UHFFFAOYSA-N

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1 of 4

This Item
311383A1010202673
vibrant-m

255459

Arsenic(V) oxide hydrate

-
vibrant-m

311383

Arsenic(III) oxide

Essential Grade
vibrant-m

A1010

Arsenic(III) oxide

-
vibrant-m

202673

Arsenic(III) oxide

-
assay

97%

assay

99.95-100.05%

assay

≥99.0%

assay

99.995% trace metals basis

density

4.32 g/mL at 25 °C (lit.)

density

-

density

-

density

-

composition

Degree of hydration, ~3

composition

-

composition

-

composition

-

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

200

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_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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


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