Dysprosium oxide

The Dysprosium oxide, with the cas registry number 1308-87-8, has the IUPAC name of dysprosium(3+); oxygen(2-). Being sensitive and hygroscopic, this is a kind of white powder and is insoluble in water while soluble in acid and ethanol. When you are dealing with this chemical, avoid contacting with eyes and skin.

Its product categories are including DysprosiumMaterials Science; Nanomaterials; Oxides, Nitrides, and Other CeramicsNanomaterials; Nanopowders and Nanoparticle Dispersions; Catalysis and Inorganic Chemistry; Chemical Synthesis; Dysprosium; DysprosiumMetal and Ceramic Science; Oxides.

The physical properties of this chemical are as below: (1)#H bond acceptors: 3; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 0; (5)Exact Mass: 373.84071; (6)MonoIsotopic Mass: 375.843086; (7)Topological Polar Surface Area: 3; (8)Heavy Atom Count: 5 .

The production method of this chemical is below: dysprosium nitrate solvent go through the sodium hydroxide reaction to produce dysprosium hydroxide; Next go through the seperation and burning to get this products, according to the following equation: 2Dy(OH)₃→Dy₂O₃+3H₂O.

As to its usage, it is widely applied in many ways. It could be used as the adding element for yttrium-aluminum-garnet, the control material for nuclear reactor, and also in preparation of new type dysprosium lamp; And it is also as the material for Dysprosium metal, glass, NdFeB permanent magnet annexing agent.

In addition, you could obtain the molecular structure by using the following datas:
(1)Canonical SMILES: [O-2].[O-2].[O-2].[Dy+3].[Dy+3]
(2)InChI: InChI=1S/2Dy.3O/q2*+3;3*-2
(3)nChIKey: GEZAXHSNIQTPMM-UHFFFAOYSA-N 

Below are the toxicity informatin of this chemical:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rat	LD50	oral	> 5gm/kg (5000mg/kg)		Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 12, Pg. 618, 1993.