Rubidium acetate Chemical Properties

Melting point:

246°C (dec.)

Boiling point:

246°C

solubility 

very soluble in H2O

form 

crystal

color 

white

Water Solubility 

Slightly soluble in water.

Hydrolytic Sensitivity

0: forms stable aqueous solutions

Sensitive 

Hygroscopic

Stability:

Stable. Moisture sensitive. Incompatible with strong oxidizing agents.

InChI

InChI=1S/C2H4O2.Rb/c1-2(3)4;/h1H3,(H,3,4);/q;+1/p-1

InChIKey

FOGKDYADEBOSPL-UHFFFAOYSA-M

SMILES

C([O-])(=O)C.[Rb+]

CAS DataBase Reference

563-67-7(CAS DataBase Reference)

EPA Substance Registry System

Acetic acid, rubidium salt (563-67-7)

Safety Information

WGK Germany 

3

TSCA 

TSCA listed

HS Code 

2915290000

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

Rubidium acetate Usage And Synthesis

Chemical Properties

white powder

Uses

Rubidium acetate has been reported to modify the acid/base character of the catalyst supports like silica, alumina, and titania. It can be used in the preparation of nanosized rubidium ferrite, and as a promoter on the palladium-catalyzed synthesis of vinyl acetate in heterogeneous gas reaction. It is used in medical and in research laboratories.

Structure and conformation

Rubidium acetate (RbOAc) has two polymorphic crystal structures. A phase transition occurs at approximately 500 K, with the high-temperature phase being orthorhombic (Pmmn) and the low-temperature phase monoclinic (P2₁/m). Six oxygen atoms surround the Rb⁺ ion (one in a bidentate coordination mode and four in monodentate bridging modes), forming a polymeric bilayer structure. Both acid salts are obtained simultaneously during synthesis.

Comparison of sodium, potassium, and rubidium acetates: Sodium, potassium, and rubidium acetates all exhibit layered structures (β-NaOAc represents the sodium salt). As the cation radius increases, the metal–oxygen distance increases, the interlayer spacing decreases, and hygroscopicity increases (NaOAc is the least hygroscopic, whereas RbOAc deliquesces immediately). The phase-transition temperature increases with increasing cation radius (Na: 259 K; K: 423 K; Rb: 498 K), whereas the order of the melting points is reversed.

Rubidium acetate(563-67-7)Related Product Information

• RUBIDIUM
• RUBIDIUM HYDROXIDE HYDRATE
• Rubidium hydroxide
• LUTETIUM ACETATE
• PENTAFLUOROPHENYL ACETATE
• Rubidium fluoride
• Rubidium nitrate
• Rubidium iodide
• Rubidium sulfate
• Rubidium carbonate
• Rubidium chloride
• RUBIDIUM PERCHLORATE
• RUBIDIUM BROMIDE
• 2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO RUBIDIUM
• Sodium acetate
• Silver acetate
• DODECYL ACETATE
• COPPER(I) ACETATE