The Neodymium oxide, with the cas registry number 1313-97-9, has the IUPAC name of neodymium(3+); oxygen(2-). This is a kind of blue powder and is insoluble in water while soluble in aicd. For being a kind of irritant which may cause inflammation to the skin or other mucous, you should avoid contacting with skin and eyes.

Its product categories are including Inorganics; Rare earth; Catalysis and Inorganic Chemistry; Chemical Synthesis; Neodymium; NeodymiumMetal and Ceramic Science; Oxides; 60: Nd; NeodymiumNanomaterials; Materials Science; Nanomaterials; Nanoparticles: Oxides, Nitrides, and Other CeramicsChemical Synthesis; Nanopowders and Nanoparticle Dispersions.

The physical properties of this chemical are as below: (1)#H bond acceptors: 1; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 3; (5)Exact Mass: 333.802546; (6)MonoIsotopic Mass: 331.800182; (7)Topological Polar Surface Area: 3; (8)Heavy Atom Count: 5; (9)Covalently-Bonded Unit Count: 5.

The production method of this chemical is below: Prepare the material of rare earth chloride solvent and then extract with P204-kerosene-HCl-RCl3 system, and divide into three groups of light-weight, middle-weight and heavy-weight; Next get the sediment with oxalic acid and then go through a process of seperation, drying, burning to get this chemical. The chemical equation is below: Nd₂(C₂O₄)₃→Nd₂O₃+3CO₂+3CO.

As to its usage, it is widely applied in many fields. It could be used as the colorant agent of glass and ceramics, and the raw material of metal neodymium and NdFeB(neodymium iron boron); It could also be used in the laser technique and also in the preparation of refined instruments.
 
In addition, you could obtain the molecular structure by using the following datas:
(1)Canonical SMILES: [O-2].[O-2].[O-2].[Nd+3].[Nd+3]
(2)InChI: InChI=1S/2Nd.3O/q2*+3;3*-2
(3)InChIKey: PLDDOISOJJCEMH-UHFFFAOYSA-N 

Below are the toxicity informatin of this chemical: