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483257

Sigma-Aldrich

Arsenic(V) oxide

99%

Synonym(s):

Arsenic pentoxide

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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

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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.

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Certificates of Analysis (COA)

Lot/Batch Number
02522LU
00510PI

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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
Manuel José Rodríguez-Ortega et al.
Environmental and molecular mutagenesis, 41(1), 55-63 (2003-01-29)
Biochemical measurements in the sentinel clam Chamaelea gallina have been used as biomarkers of marine pollution. In this study, S9, cytosolic fractions (CF), and microsomal fractions (MF) prepared from unexposed clams and clams exposed to model pollutants were used to
I Sayama et al.
No to shinkei = Brain and nerve, 36(4), 325-331 (1984-04-01)
A 53-year-old, non-hypertensive farmer, who had sudden attack of severe headache, was transferred to our clinic. He presented comatous state and tetraparesis without extraocular movements nor reactive pupils to light. CT scan, 7 hours after the ictus showed intracerebral hematoma
Guadalupe De la Rosa et al.
Environmental science & technology, 40(6), 1991-1996 (2006-03-31)
This manuscript reports the toxic effects of As2O3 (arsenic trioxide) and As2O5 (arsenic pentoxide) on S. kali as well as the arsenic and phosphate uptake and arsenic coordination within plant tissues. Plants were germinated and grown for 15 days on
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