Rubidium carbonate

Rubidium carbonate, Rb₂CO₃, is a convenient^{[clarification needed]} compound of rubidium; it is stable, not particularly reactive, and readily soluble in water, and is the form in which rubidium is usually sold.

Rubidium carbonate

Names
IUPAC name Rubidium carbonate
Identifiers
CAS Number	584-09-8 Y
3D model (JSmol)	Interactive image
ChemSpider	10950 Y
ECHA InfoCard	100.008.666
PubChem CID	11431
RTECS number	FG0650000
CompTox Dashboard (EPA)	DTXSID50889428
InChI InChI=1S/CH2O3.2Rb/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2 Y Key: WPFGFHJALYCVMO-UHFFFAOYSA-L Y 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	4500 g/L @20°C[2]
Magnetic susceptibility (χ)	−75.4·10−6 cm3/mol
Hazards
Occupational safety and health (OHS/OSH):
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). Y verify (what is YN ?) Infobox references

Preparation

This salt can be prepared by adding ammonium carbonate to rubidium hydroxide.^[3]

Uses

It is used in some kinds of glass-making to enhance stability and durability and reduce conductivity. It is also used as a part of a catalyst to prepare short-chain alcohols from feed gas.^[4]