The Europium(III) oxide, with the CAS registry number 1308-96-9, is also known as Dieuropium trioxide. It belongs to the product categories of Inorganics; 63: Eu; EuropiumMaterials Science; Catalysis and Inorganic Chemistry; Chemical Synthesis; EuropiumMetal and Ceramic Science; Nanomaterials; Nanoparticles: Oxides, Nitrides, and Other Ceramics Nanomaterials; Nanopowders and Nanoparticle Dispersions; Oxides; Europium. Its EINECS registry number is 215-165-6. This chemical's molecular formula is Eu₂O₃ and molecular weight is 351.9262. Its IUPAC name is called europium(3+); oxygen(2-). This chemical is white to slightly pink powder.Europium(III) oxide is a chemical compound of europium and oxygen. This chemical is widely used as a red or blue phosphor in television sets and fluorescent lamps, and as an activator for yttrium-based phosphors. What's more, it is used in the anti-counterfeiting phosphors in Euro banknotes.

Physical properties of Europium(III) oxide:
(1)H-Bond Donor: 0; (2)H-Bond Acceptor: 3; (3)Rotatable Bond Count: 0; (4)Exact Mass: 351.825816; (5)MonoIsotopic Mass: 353.827196; (6)Topological Polar Surface Area: 3; (7)Heavy Atom Count: 5; (8)Covalently-Bonded Unit Count: 5.

Preparation of Europium(III) oxide:
this chemical can be prepared by rare earth chloride solution.


Safety information of  Europium(III) oxide:
When you are using this chemical, please be cautious about it as the following:
This chemical may cause inflammation to the skin or other mucous membranes. It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. Whenever you will contact it, please wear suitable protective clothing。

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: [O-2].[O-2].[O-2].[Eu+3].[Eu+3]
(2)InChI: InChI=1S/2Eu.3O/q2*+3;3*-2
(3)InChIKey: AEBZCFFCDTZXHP-UHFFFAOYSA-N

The toxicity data of  Europium(III) oxide is as follows: