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  7. Arsenic(III) selenide, 99.999% (metals basis)

Arsenic(III) selenide, 99.999% (metals basis)

Catalog No. AA1284914
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25 g
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AA1284914 25 g
AA1284906 5 g
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Catalog No. AA1284914 Supplier Thermo Scientific Chemicals Supplier No. 01284914
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Description

For vacuum deposition | CAS: 1303-36-2 | As2Se3 | 386.76 g/mol

Arsenicselenide is used as a chalcogenide glass for infrared optics, as it transmits light with wavelengths between 870 nm and 17.2 μm.

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 1303-36-2
Molecular Formula As2Se3
Molecular Weight (g/mol) 386.76
MDL Number MFCD00014166
InChI Key WBFMCDAQUDITAS-UHFFFAOYSA-N
Synonym arsenic triselenide, diarsenic triselenide, arsenic selenide, arsenous selenide, arsenic sesquiselenide, unii-xws0w0gb8g, diarsenic triselenide asse3, arsenic iii selenide, xws0w0gb8g
PubChem CID 14772
IUPAC Name [(selanylidenearsanyl)selanyl]arsaneselone
SMILES [Se]=[As][Se][As]=[Se]

Specifications

Melting Point 260°C
Physical Form Fused Pieces
Quantity 25 g
UN Number UN3077
Merck Index 14,805
Solubility Information Insoluble in water and soluble in nitric acid.
Formula Weight 386.72
Percent Purity 99.999%
Odor Odorless
Density 4.75 g/mL
Assay (metals basis)
Chemical Name or Material Arsenic(III) selenide
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Safety and Handling

Hazard Category H301+H331-H350-H373
Hazard Statement GHS H Statement
H330
Fatal if inhaled.
Precautionary Statement P201-P202-P260-P264b-P270-P271-P281-P301+P310-P304+P340-P308+P313-P311-P330-P501c
DOTInformation Transport Hazard Class: 9; Packing Group: III; Proper Shipping Name: ENVIRONMENTALLY HAZARDOUS SUBSTANCES, SOLID, N.O.S.
EINECSNumber 215-119-5
RTECSNumber CG2285000
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only