Europium(III)oxid

Bezeichnung:Europium(III)oxid

CAS-Nr1308-96-9

Englisch Name:Europium Oxide

CBNumberCB4148818

SummenformelEu2O3

Molgewicht351.93

MOL-Datei1308-96-9.mol

Synonyma

Europium(III)oxid

Europium(III)oxid physikalisch-chemischer Eigenschaften

Schmelzpunkt	2291°C
Dichte	7.42 g/mL at 25 °C(lit.)
storage temp.	no restrictions.
Löslichkeit	insoluble in H2O; soluble in acid solutions
Aggregatzustand	nanopowder
Farbe	White to slightly pink
Wichte	7.42
Geruch (Odor)	no odor
Wasserlöslichkeit	Soluble in acids. Insoluble in water.
Crystal Structure	Cubic
Sensitive	Hygroscopic
Merck	14,3904
InChIKey	RSEIMSPAXMNYFJ-UHFFFAOYSA-N
CAS Datenbank	1308-96-9(CAS DataBase Reference)
NIST chemische Informationen	europium(III) trioxide(1308-96-9)
EPA chemische Informationen	Europium oxide (Eu2O3) (1308-96-9)

Sicherheit

Kennzeichnung gefährlicher	Xi
R-Sätze:	36/37/38
S-Sätze:	26-36
WGK Germany	2
RTECS-Nr.	LE8053000
TSCA	Yes
HS Code	28469014
Toxizität	rat,LD50,oral,> 5gm/kg (5000mg/kg),Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 12, Pg. 616, 1993.

Gefahreninformationscode (GHS)

Europium Oxide Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
S-Sätze Betriebsanweisung:
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
Chemische Eigenschaften
Europium oxide is a white to slightly pink powder, which is hygroscopic, and the color has a little difference due to different production methods. With different heating temperatures, two variants of pseudo-trigonal crystal system and equiaxed crystal system can be obtained, and the crystal structure of the latter is the same as that of scandium oxide. The relative density is 7.42, and the melting point is 2330°C. Insoluble in water, it can be dissolved in inorganic acid to generate the trivalent europium salt solution of the corresponding acid, it can also be dissolved in formic acid and acetic acid, and it can absorb carbon dioxide from the air to generate carbonate.
Verwenden
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.
Application
Europium oxide, (Eu2O3), a compound of europium, is added to infra-sensitive phosphors to enhance the red colors on TV and computer-monitor picture tubes. It is also added to fluorescent light tubes to increase their efficiency, as well as to some materials to make lasers. Since it is a good neutron absorber, it is part of nuclear reactor control rods.
Allgemeine Beschreibung
Europium Oxide, also called Europia, is used as a phosphor activator, color cathode-ray tubes and liquid-crystal displays used in computer monitors and televisions employ Europium Oxide as the red phosphor; no substitute is known. Europium Oxide (Eu2O3) is widely used as a red phosphor in television sets and fluorescent lamps, and as an activator for Yttrium-based phosphors. Europium Oxide is also applied in speciality plastic for laser material.

Europium Oxide Upstream-Materialien And Downstream Produkte

Europium(III)oxid Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

1308-96-9, Europium Oxide Verwandte Suche:

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