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Dysprosium(III) oxide, 99.9% (REO)

Product Code. 11397808
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Product Code. 11397808 Supplier Thermo Scientific Alfa Aesar Supplier No. 036370.14
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Estimated Shipment: 02-09-2026
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Description

CAS: 1308-87-8 | Dy2O3 | 373.00 g/mol

Dysprosium(III) oxide is uses in ceramics, glass, phosphors, lasers and dysprosium metal halide lamps.

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.

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 1308-87-8
Molecular Formula Dy2O3
Molecular Weight (g/mol) 373.00
MDL Number MFCD00010986
InChI Key GEZAXHSNIQTPMM-UHFFFAOYSA-N
IUPAC Name didysprosium(3+) trioxidandiide
SMILES [O--].[O--].[O--].[Dy+3].[Dy+3]

Specifications

Melting Point 2340°C
Physical Form Sintered Lump
Quantity 25 g
Merck Index 14,3482
Solubility Information Insoluble in water.
Formula Weight 373
Percent Purity 99.9%
Sensitivity Hygroscopic
Density 7.81 g/mL at 27°C
Assay (REO)
Chemical Name or Material Dysprosium(III) oxide
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RUO – Research Use Only

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