Rubidiumcarbonat

Bezeichnung:Rubidiumcarbonat

CAS-Nr584-09-8

Englisch Name:Rubidium carbonate

CBNumberCB6141000

SummenformelCH3O3Rb

Molgewicht148.5

MOL-Datei584-09-8.mol

Synonyma

Rubidiumcarbonat

Rubidiumcarbonat physikalisch-chemischer Eigenschaften

Schmelzpunkt	837 °C
Siedepunkt	decomposes at 740℃ [KIR82]
storage temp.	Store below +30°C.
Löslichkeit	4500g/l
Aggregatzustand	Powder
Farbe	White
PH	11.7 (50g/l, H2O, 20℃)
Wasserlöslichkeit	soluble
Spezifische Wärmekapazität	Cp(crystal): 0.79 J/(g·K), at 25℃
Sensitive	Hygroscopic
InChI	InChI=1S/CH2O3.Rb.H/c2-1(3)4;;/h(H2,2,3,4);;
InChIKey	WPFGFHJALYCVMO-UHFFFAOYSA-L
SMILES	C(O)(O)=O.[RbH]
CAS Datenbank	584-09-8(CAS DataBase Reference)
EPA chemische Informationen	Carbonic acid, dirubidium salt (584-09-8)

Sicherheit

Kennzeichnung gefährlicher	Xi
R-Sätze:	36/37/38
S-Sätze:	26-36/37/39-37/39
WGK Germany	2
RTECS-Nr.	FG0650000
F	3-10
TSCA	TSCA listed
HS Code	2836 99 17
Speicherklasse	8A - Combustible corrosive hazardous materials
Hazard Classifications	Eye Dam. 1 Skin Corr. 1C STOT SE 3
Toxizität	LD50 orally in Rabbit: 2625 mg/kg

Gefahreninformationscode (GHS)

Rubidium carbonate 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.
S36/37/39:Bei der Arbeit geeignete Schutzkleidung,Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
S37/39:Bei der Arbeit geeignete Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
Beschreibung
Rubidium carbonate is a white powder or colorless crystal with a monoclinic crystal structure. Its chemical formula is Rb₂CO₃. Rubidium is often sold as rubidium carbonate The chemical properties of rubidium carbonate are stable. Rubidium carbonate is very hygroscopic, soluble in water, and insoluble in alcohol. It can be converted to other rubidium compounds by heating or by reacting with acids. Rubidium carbonate is used in the preparation of rubidium metal, other rubidium salts,and rubidium single crystals. It is also used as a specific glass additives, catalysts, analytical reagents and others. For example, rubidium carbonate can be incorporated into the metal oxide electron transport layers, which can improve the lifetime of quantum-dot light emitting diodes^[1]. It can also exist as an alkaline in the high-temperature nucleophile synthesis of a semi-crystalline, aromatic poly(ether ketone)^[2].
Chemische Eigenschaften
White powder.Extremely hygroscopic; soluble in water. Dissociates above 900C. The thermal decomposition of rubidium carbonate to produce rubidium oxide and carbon dioxide. This reaction takes place at a temperature of over 900°C in vacuo. The decomposition of Rb2CO3·3H2O2 and Cs2CO3·3H2O2 under isothermal conditions was studied (55–85°) and it was shown that the decomposition of these compounds is self-accelerated. The final products are M2CO3, H2O, and O2. Rb2CO3·3H2O2 has a much higher thermal stability than Cs2CO3·3H2O2.
Verwenden
Special glass formulations.
Verwenden
Rubidium carbonate is used as a raw materials for preparation of rubidium metal and various rubidium salts, for the manufacturing of special glass, for the manufacturing of high energy density micro cells and crystal scintillation counters. It is also used as a part of a catalyst for preparing short-chain alcohols from feed gas.
Hazard
Strong irritant to tissue.
Einzelnachweise
[1] Yujin Lee, Hyo-Min Kim, Jeonggi Kim, Jin Jang, Remarkable lifetime improvement of quantum-dot light emitting diodes by incorporating rubidium carbonate in metal-oxide electron transport layers, Journal of Materials Chemistry C, 2019, 7, 10082-10091.
[2] Kate JC Lim, Paul Cross, Peter Mills, Howard M Colquhoun, Controlled variation of monomer sequence distribution in the synthesis of aromatic poly(ether ketone)s, 2016, 28.

Rubidiumcarbonat Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

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