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Dysprosium oxide (Dy2O3)

Dysprosium oxide (Dy2O3) structure

CAS No:
1308-87-8
Formula:
Dy2O3
Chemical Name:
Dysprosium oxide (Dy2O3)
Synonyms:
Dysprosium oxide (Dy2O3);Dysprosia;Dysprosium trioxide;Dysprosium(3+) oxide;Dysprosium(III) oxide;Didysprosium trioxide;Dysprosia (Dy2O3);Dysprosium sesquioxide;Dysprosium oxide;Dysprosium oxide (DyO1.5);304470-54-0;1134865-85-2
Categories:
Inorganic Chemistry > Inorganic Salts

Description

white 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]

DryPowder

Dysprosium oxide (Dy2O3) Basic Attributes

Molecular Weight：

373

Exact Mass：

375.843140

EC Number：

215-164-0

UNII：

Y423N8C3EV

DSSTox ID：

DTXSID20276467

HScode：

2846 90 20

Characteristics

PSA：

43.37000

XLogP3：

-0.30600

Appearance：

White nanopowder

Density：

6.8 g/cm³

Melting Point：

2330-2350 °C

Water Solubility：

insoluble

Storage Conditions：

Storage temperature: no restrictions.

Toxicity：

LD50 orally in Rabbit: > 5000 mg/kg

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

safety instructions：

24/25

RTECS Number：

JW1060000

Stability/Shelf Life：

Stable at normal temperatures in tightly closed containers under an inert atmosphere. Substance may undergo color change upon exposure to light and air. Unstable in air

GHS Classification：

Not Classified

Drug Information

MeSH Entry Terms：

didysprosium trioxide

Dysprosium oxide (Dy2O3) Use and Manufacturing

Methods of Manufacturing

The dysprosium nitrate solution is sintered by sodium hydroxide to produce dysprosium hydroxide, and then separated and burned to obtain dysprosium oxide. Its 2Dy(OH)3→Dy2O3+3H2O

Uses

Dysprosium Oxide, is the main raw materials for Dysprosium Metal which is widely used in Neodymium-Iron-Boron magnets, also have specialized uses in ceramics, glass, phosphors, lasers and Dysprosium Metal halide lamp. High purity of Dysprosium Oxide is used in electronics industry as an antireflection coating in photoelectric devices. Because of dysprosium's high thermal-neutron absorption cross-section, Dysprosium-Oxide–Nickel cermets are used in neutron-absorbing control rods in nuclear reactors.

Production

< 25,000 lb

Manufacturing Info：

Dysprosium oxide (Dy2O3): ACTIVE

Computed Properties

Molecular Weight:373.00
Hydrogen Bond Acceptor Count:3
Exact Mass:373.84073
Monoisotopic Mass:375.84311
Topological Polar Surface Area:3
Heavy Atom Count:5
Covalently-Bonded Unit Count:5
Compound Is Canonicalized:Yes

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Guide of Dysprosium oxide (Dy2O3)

Description
Basic Attributes
Characteristics
Safety Information
Drug Information
Use and Manufacturing
Computed Properties
Recommended Suppliers
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Dysprosium oxide (Dy2O3)

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