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Thermo Scientific Chemicals Arsenic(V) oxide, 99.9% (metals basis)

Catalog No. p-7049551
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100 g
Catalog No. Quantity
AA1466814 25 g
AA1466822 100 g
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Catalog No. AA1466814

Supplier: Thermo Scientific Chemicals 01466814

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CAS: 1303-28-2 | As2O5 | 229.838 g/mol

Arsenic(V) oxide is used in the preparation of metal arsenates. It is used for dye and printing industries. Further, it is used in wood preservatives, colored glass and metal adhesives.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Chemical Identifiers

CAS 1303-28-2
Molecular Formula As2O5
Molecular Weight (g/mol) 229.838
MDL Number MFCD00003434
InChI Key COHDHYZHOPQOFD-UHFFFAOYSA-N
Synonym arsenic pentoxide, arsenic v oxide, arsenic anhydride, arsenic v pentoxide, arsenic pentaoxide, arsenic oxide, diarsenic pentoxide, diarsenic pentaoxide, arsenic 5+ oxide, arsenic acid anhydride
PubChem CID 14771
SMILES O=[As](=O)O[As](=O)=O

Specifications

Melting Point 315°C (decomposition)
Color White
Physical Form Powder
Quantity 25 g
Assay Percent Range 99.9% (metals basis)
UN Number UN1559
Merck Index 14,798
Solubility Information Soluble in water and alcohol.
Formula Weight 229.79
Percent Purity 99.9%
Odor Odorless
Sensitivity Hygroscopic
Density 4.32 g/mL
Assay (metals basis)
Chemical Name or Material Arsenic(V) oxide
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Hazard Category H301+H331-H350
Hazard Statement GHS H Statement
H301-H331-H350
Toxic if swallowed.
Toxic if inhaled.
May cause cancer.
Precautionary Statement P201-P202-P261-P264b-P270-P271-P281-P301+P310-P304+P340-P308+P313-P311-P330-P501c
DOTInformation Transport Hazard Class: 6.1; Packaging Group: II; Proper Shipping Name: ARSENIC PENTOXIDE
EINECSNumber 215-116-9
RTECSNumber CG2275000
TSCA Yes
storageNote1 Hygroscopic
Recommended Storage Ambient temperatures

RUO – Research Use Only