Europium Oxide

Basic Information

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CAS Number

12770-85-3

Molecular Formula

Eu2O

Molecular Weight

351.93 g/mol

Basic Physical Properties

Melting Point

2291°C

Boiling Point

°Cat760mmHg

Density

7.42

SMILES

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[O-2].[O-2].[O-2].[Eu+3].[Eu+3]

InChI

InChI=1S/2Eu.3O/q2*+3;3*-2

InChIKey

AEBZCFFCDTZXHP-UHFFFAOYSA-N

LogP

-0.35640

Complexity

Synonyms & References

English

Customs Code

2846901400

FAQ

What are the physical and chemical properties of Europium Oxide (CAS: 12770-85-3)?

Europium oxide is a white powder with a hexagonal crystal structure. Its molecular weight is approximately 270.93 g/mol. It is poorly soluble in water but soluble in acids. Chemically, it is stable but can react with strong acids to form soluble salts. It has a melting point of 1795°C and a boiling point of around 2500°C.

How is Europium Oxide (CAS: 12770-85-3) typically synthesized?

Europium oxide can be synthesized by the reduction of europium(III) nitrate with hydrogen gas at high temperatures, or by the calcination of europium(III) carbonate. Another method involves the thermal decomposition of europium(III) acetylacetonate. These methods yield high purity europium oxide with good selectivity and high yield.

What industries use Europium Oxide (CAS: 12770-85-3)?

Europium oxide is widely used in the production of phosphors for fluorescent lamps and flat panel displays. It is also utilized in the manufacturing of optical filters, rare earth magnets, and in the development of chemical sensors. Additionally, it is employed in the pharmaceutical industry for the synthesis of europium complexes used in medical diagnostics.

What precautions should be taken when handling Europium Oxide (CAS: 12770-85-3)?

Europium oxide should be handled in a well-ventilated area with proper personal protective equipment (PPE), including gloves, goggles, and a lab coat. It is classified as harmful if inhaled and may cause eye irritation. Spills should be cleaned up with caution, and appropriate safety data sheets (SDS) should be consulted for detailed spill management procedures.