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Dysprosium oxide

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CAS:1308-87-8
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CAS:1308-87-8
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CAS:1308-87-8
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  • CAS:1308-87-8
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  • 2023-07-19
  • CAS:1308-87-8
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Dysprosium oxide Basic information
Product Name:Dysprosium oxide
Synonyms:Dysprosium(III) oxide, REacton (REO);Dysprosium oxide (RE Element base);Dysprosium(III) oxide, REacton(R), 99.9% (REO);Dysprosium(III) oxide, REacton(R), 99.99% (REO);Dysprosium(III) oxide, needles, 99.5% (REO);Dysprosium(III) oxide, 99.9% (REO);Disprozium oxide;Dysprosium(III) oxide, REacton, 99.99% (REO)
CAS:1308-87-8
MF:Dy2O3
MW:373
EINECS:215-164-0
Product Categories:66: Dy;DysprosiumMaterials Science;Nanomaterials;Nanoparticles: Oxides, Nitrides, and Other CeramicsNanomaterials;Nanopowders and Nanoparticle Dispersions;Catalysis and Inorganic Chemistry;Chemical Synthesis;Dysprosium;DysprosiumMetal and Ceramic Science;Oxides;metal oxide
Mol File:1308-87-8.mol
Dysprosium oxide Structure
Dysprosium oxide Chemical Properties
Melting point 2330-2350 °C
density 7.81 g/mL at 25 °C(lit.)
storage temp. no restrictions.
solubility soluble in acid solutions
form nanopowder
color White
Specific Gravity7.81
PH7.0
Water Solubility insoluble
Sensitive Hygroscopic
Crystal StructureCubic
Merck 14,3482
InChIKeyNLQFUUYNQFMIJW-UHFFFAOYSA-N
CAS DataBase Reference1308-87-8(CAS DataBase Reference)
EPA Substance Registry SystemDysprosium oxide (Dy2O3) (1308-87-8)
Safety Information
Safety Statements 24/25
WGK Germany 2
RTECS JW1060000
TSCA Yes
HS Code 2846 90 20
ToxicityLD50 orally in Rabbit: > 5000 mg/kg
MSDS Information
ProviderLanguage
Didysprosium trioxide English
SigmaAldrich English
ACROS English
ALFA English
Dysprosium oxide Usage And Synthesis
DescriptionDysprosium oxide or dysprosia with chemical composition Dy2O3, is one of the rare earth oxide families, is a white slightly hygroscopic powder, and it is highly insoluble and thermally stable. The structure of Dy2O3 takes a cubic crystal structure below 1870 °C and monoclinic and/or hexagonal structures above this temperature. 
Chemical Propertieswhite powder(s); can be prepared by heating the oxalate or sulfate; more magnetic than ferric oxide; slightly hygroscopic; absorbs atmospheric H2O and CO2; used with nickel in cermets and as an evaporated film of 99.9% purity it is reactive to radio frequencies [HAW93] [MER06] [CER91]
UsesDysprosium oxide also called Erbia, an important colourant in glasses and porcelain enamel glazes. High purity Dierbium trioxide are widely applied as dopant in making optical fibre and amplifier. It is particularly useful as an amplifier for fiber optic data transfer. Dierbium trioxide has a pink color, and is sometimes used as a colorant for glass, cubic zirconia and porcelain. The glass is then often used in sunglasses and cheap jewelry.
SynthesisDysprosium oxide, Dy2O3, nanoparticles were prepared by using the homogeneous precipitation method. Dy3+ ions were precipitated using NaOH solution. The obtained product was filtered, dried, and then calcined for 1 h at the temperature range of 300–700 °C in static air. The calcination temperature of the Dy-precursor was chosen based on its decomposition as indicated by the TGA analysis. 
Dysprosium oxide Preparation Products And Raw materials
Raw materialsDysprosium(Ⅲ)hydroxide-->DYSPROSIUM NITRATE
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