Europium oxide , 99.99%metalsbasis , 1308-96-9

Synonym(s):
Dieuropium trioxide;Europia;Europium(III) oxide

CAS NO.：1308-96-9

Empirical Formula: Eu2O3

Molecular Weight: 351.93

MDL number: MFCD00010997

EINECS: 215-165-6

PRODUCT Properties

• Melting point: 2291°C
• Density: 7.42 g/mL at 25 °C(lit.)
• storage temp.: no restrictions.
• solubility: insoluble in H2O; soluble in acid solutions
• form: nanopowder
• color: White to slightly pink
• Specific Gravity: 7.42
• Odor: no odor
• Water Solubility: Soluble in acids. Insoluble in water.
• Crystal Structure: Cubic
• Sensitive: Hygroscopic
• Merck: 14,3904
• crystal system: Monoclinic
• Space group: C2/m
• Lattice constant:
  • a/nm: 1.41105
  • b/nm: 0.36021
  • c/nm: 0.8808
  • α/o: 90
  • β/o: 100.037
  • γ/o: 90
  • V/nm3: 0.4408
• InChIKey: RSEIMSPAXMNYFJ-UHFFFAOYSA-N
• CAS DataBase Reference: 1308-96-9(CAS DataBase Reference)
• NIST Chemistry Reference: europium(III) trioxide(1308-96-9)
• EPA Substance Registry System: Europium oxide (Eu2O3) (1308-96-9)

Description and Uses

Europium oxide is now widely used as a phosphor activator, and europium activated yttrium vanadate is in commercial use as the red phosphor in color TV tubes. Europium oxide nanopowder acts as phosphors for lamps. It is used as a fluorescent label in immunoassay for atrazine. It is also used in color TV, X-ray, glass, crystal and other luminescent materials.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319-H335
• Precautionary statements: P261-P280-P271
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-36
• WGK Germany: 2
• RTECS: LE8053000
• TSCA: Yes
• HS Code: 28469014
• Toxicity: rat,LD50,oral,> 5gm/kg (5000mg/kg),Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 12, Pg. 616, 1993.