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Rubidium fluoride

Rubidium fluoride
Names
Other names
Rubidium(I) Fluoride
Identifiers
13446-74-7 YesY
3D model (Jmol) Interactive image
ChemSpider 75311 YesY
ECHA InfoCard 100.033.262
PubChem 83473
RTECS number VL8740000
Properties
RbF
Molar mass 104.4662 g/mol
Appearance white crystalline solid
Density 3.557 g/cm3
Melting point 795 °C (1,463 °F; 1,068 K)
Boiling point 1,408 °C (2,566 °F; 1,681 K)
130.6 g/100 mL (18 °C)
−31.9·10−6 cm3/mol
Hazards
Main hazards Toxic
Flash point Non-flammable
Related compounds
Other anions
Rubidium chloride
Rubidium bromide
Rubidium iodide
Rubidium astatide
Other cations
Lithium fluoride
Sodium fluoride
Potassium fluoride
Caesium fluoride
Francium fluoride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
YesY  (what is YesYN ?)
Infobox references

Rubidium fluoride (RbF) is the fluoride salt of rubidium. It is a cubic crystal with rock-salt structure.

There are several methods for synthesising rubidium fluoride. One involves reacting rubidium hydroxide with hydrofluoric acid:

Another method is to neutralize rubidium carbonate with hydrofluoric acid:

Another possible method is to react rubidium hydroxide with ammonium fluoride:

The least used method due to expense of rubidium metal is to react it directly with fluorine gas, as rubidium reacts violently with halogens:


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