Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

483257

Sigma-Aldrich

Arsenic(V) oxide

99%

Synonym(s):

Arsenic pentoxide

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
As2O5
CAS Number:
1303-28-2
Molecular Weight:
229.84
EC Number:
215-116-9
MDL number:
MFCD00003434
UNSPSC Code:
12352300
PubChem Substance ID:
24871878

Assay

99%

reaction suitability

core: arsenic
reagent type: catalyst

mp

>300 °C (lit.)

SMILES string

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

InChI

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

InChI key

COHDHYZHOPQOFD-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Signal Word

Danger

Hazard Statements

H300,H331,H350,H410

Hazard Classifications

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

Storage Class Code

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH SVHC Candidate List

CAS No.

EU REACH Annex XVII (Restriction List)

CAS No.

EU REACH Annex XIV (Authorisation List)

CAS No.

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
02522LU
00510PI

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

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
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
L Szinicz et al.
Archives of toxicology, 61(6), 444-449 (1988-01-01)
1) The effect of As2O3 and As2O5 on gluconeogenesis from various substrates in the liver and kidney of rats was investigated. 2) A concentration-dependent inhibition by As2O3 was found. The effect was not dependent on the amount of investigated material
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service