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Europium Oxide CAS#1308-96-9

  • Europium Oxide CAS#1308-96-9
  • Europium Oxide CAS#1308-96-9
  • Europium Oxide CAS#1308-96-9
  • Europium Oxide CAS#1308-96-9
  • Europium Oxide CAS#1308-96-9

Europium Oxide CAS#1308-96-9

High Thermal Stability：With a melting point of 2330 °C, europium oxide maintains excellent performance under high-temperature processing and demanding industrial conditions.


Controllable Crystal Structure：Different heating temperatures allow formation of distinct crystal systems, offering flexibility for material design and specialized applications.


Good Chemical Reactivity：Insoluble in water but readily soluble in inorganic, formic, and acetic acids, enabling efficient conversion to trivalent europium salts for further use.


High Density and Material Purity Potential：High relative density and stable rare-earth oxide composition make it suitable for advanced materials, optical, and electronic applications.


Phone ：+86 18626059817
WhatsApp ：+86 18626059817
Email ：cora@wxqysteel.com
product description

Product Description of Europium Oxide CAS#1308-96-9

Europium oxide appears as white to pale pink powder, whose color varies with production processes. It is hygroscopic and exists in two crystal forms, pseudo-trigonal and equiaxed, depending on calcination temperature. The equiaxed phase possesses the same crystal structure as scandium oxide. It features a relative density of 7.42 and a melting point of 2330 °C. Insoluble in water, it dissolves in inorganic acids to generate trivalent europium salts, and is also soluble in formic acid and acetic acid. Moreover, it can absorb atmospheric carbon dioxide and convert into europium carbonate.


Product Application of Europium Oxide CAS#1308-96-9

Europium oxide (Eu₂O₃) is commonly used as an additive for infrared-sensitive phosphors to enhance red luminescence in TV and computer display picture tubes. It is also added to fluorescent lamps to boost luminous efficiency and used in laser-related materials. Thanks to its strong neutron-absorbing property, it is further applied in control rods for nuclear reactors.

Product Information

Parameters


Melting point2291°C
density7.42 g/mL at 25 °C(lit.)
storage temp.no restrictions.
solubilityinsoluble in H2O; soluble in acid solutions
formnanopowder
colorWhite to slightly pink
Specific Gravity7.42
Odorno odor
Water SolubilitySoluble in acids. Insoluble in water.
SensitiveHygroscopic
Crystal StructureCubic
crystal systemMonoclinic
Merck143,904
Space groupC2/m
Lattice constanta/nmb/nmc/nmα/oβ/oγ/oV/nm31.411050.360210.880890100.037900.4408
InChI1S/2Eu.3O
InChIKeyRSEIMSPAXMNYFJ-UHFFFAOYSA-N
SMILESO=[Eu]O[Eu]=O
CAS DataBase Reference1308-96-9(CAS DataBase Reference)
NIST Chemistry Referenceeuropium(III) trioxide(1308-96-9)
EPA Substance Registry SystemEuropium oxide (Eu2O3) (1308-96-9)


Safety Information


Hazard CodesXi
Risk Statements36/37/38
Safety Statements26-36
WGK Germany2
RTECSLE8053000
TSCATSCA listed
HS Code28469014
Storage Class11 - Combustible Solids
Toxicityrat,LD50,oral,> 5gm/kg (5000mg/kg),Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 12, Pg. 616, 1993.


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