Arsenic(III) selenide, 99.999% (metals basis), Thermo Scientific Chemicals

Product Code	Brand	Quantity
11327587	Thermo Scientific Alfa Aesar 012849.02	0.5 g
11337587	Thermo Scientific Alfa Aesar 012849.06	5 g
11317587	Thermo Scientific Alfa Aesar 012849.14	25 g

Description

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 Weight (g/mol): 386.76
• InChI Key: WBFMCDAQUDITAS-UHFFFAOYSA-N
• PubChem CID: 14772
• SMILES: [Se]=[As][Se][As]=[Se]

• Molecular Formula: As2Se3
• MDL Number: MFCD00014166
• Synonym: arsenic triselenide, diarsenic triselenide, arsenic selenide, arsenous selenide, arsenic sesquiselenide, unii-xws0w0gb8g, diarsenic triselenide asse3, arsenic iii selenide, xws0w0gb8g
• IUPAC Name: [(selanylidenearsanyl)selanyl]arsaneselone

Specifications

• Melting Point: 260°C
• Physical Form: Fused Pieces
• MDL Number: MFCD00014166
• Merck Index: 14,805
• Solubility Information: Insoluble in water and soluble in nitric acid.
• SMILES: [Se]=[As][Se][As]=[Se]
• Molecular Weight (g/mol): 386.76
• Formula Weight: 386.72
• Odor: Odorless
• Assay: (metals basis)

• CAS: 1303-36-2
• Molecular Formula: As2Se3
• UN Number: UN3077
• Synonym: arsenic triselenide, diarsenic triselenide, arsenic selenide, arsenous selenide, arsenic sesquiselenide, unii-xws0w0gb8g, diarsenic triselenide asse3, arsenic iii selenide, xws0w0gb8g
• InChI Key: WBFMCDAQUDITAS-UHFFFAOYSA-N
• IUPAC Name: [(selanylidenearsanyl)selanyl]arsaneselone
• PubChem CID: 14772
• Percent Purity: 99.999%
• Density: 4.75 g/mL
• Chemical Name or Material: Arsenic(III) selenide

Safety and Handling

GHS H Statement
H330
Fatal if inhaled.

P201-P202-P260-P264b-P270-P271-P281-P301+P310-P304+P340-P308+P313-P311-P330-P501c

H301+H331-H350-H373

missing translation for 'dotInformation' : Transport Hazard Class: 9; Packing Group: III; Proper Shipping Name: ENVIRONMENTALLY HAZARDOUS SUBSTANCES, SOLID, N.O.S.

missing translation for 'einecsNumber' : 215-119-5

missing translation for 'rtecsNumber' : CG2285000

missing translation for 'tsca' : Yes

Recommended Storage : Ambient temperatures

RUO – Research Use Only