Rubidium carbonate

Rubidium carbonate

Names
IUPAC name Rubidium carbonate
Identifiers
CAS Number	584-09-8
3D model (Jmol)	Interactive image
ChemSpider	10950
ECHA InfoCard	100.008.666
PubChem	11431
RTECS number	FG0650000
InChI InChI=1S/CH2O3.2Rb/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2 Key: WPFGFHJALYCVMO-UHFFFAOYSA-L InChI=1/CH2O3.2Rb/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2 Key: WPFGFHJALYCVMO-NUQVWONBAM
SMILES [Rb+].[Rb+].[O-]C([O-])=O
Properties
Chemical formula	Rb2CO3
Molar mass	230.945 g/mol
Appearance	White powder, very hygroscopic
Melting point	837 °C (1,539 °F; 1,110 K)[1]
Boiling point	900 °C (1,650 °F; 1,170 K) (decomposes)
Solubility in water	Very soluble
Hazards
Main hazards	Irritant
Flash point	Non-flammable
Related compounds
Other cations	Lithium carbonate Sodium carbonate Potassium carbonate Caesium carbonate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Rubidium carbonate, Rb₂CO₃, is a convenient compound of rubidium; it is stable, not particularly reactive, and readily soluble in water, and is the form in which rubidium is usually sold.

Preparation

It can be prepared by adding ammonium carbonate to rubidium hydroxide.^[2]

Uses

It is used in some kinds of glass-making by enhancing stability and durability as well as reducing its conductivity. It is also used as a part of a catalyst for preparing short-chain alcohols from feed gas.^[3]

References

1. Pradyot Patnaik. Handbook of Inorganic Chemicals. McGraw-Hill, 2002, ISBN 0-07-049439-8
2. 1911encyclopedia.com
3. Canada Patents