ChemicalBook--->CAS DataBase List--->7488-54-2

7488-54-2

7488-54-2 Structure

7488-54-2 Structure
IdentificationMore
[Name]

Rubidium sulfate
[CAS]

7488-54-2
[Synonyms]

RUBIDIUM SULFATE
dirubidiumsulfate
sulfuricacid,dirubidiumsalt
Rubidium sulfate whitextl
rubidium sulphate
RUBIDIUM SULFATE, 99.99+%
RUBIDIUM SULFATE, 99.8%
RUBIDIUM SULFATE (99.8%-RB)
RUBIDIUM SULFATE, PURATRONIC, 99.975% (METALS BASIS)
RUBIDIUM SULFATE, 99% (METALS BASIS)
RUBIDIUM SULFATE REAGENT
rubidium sulfate, puratronic
Rubidium sulfate, Puratronic(R), 99.975% (metals basis)
RUBIDIUM SULFATE, PURE
[EINECS(EC#)]

231-301-7
[Molecular Formula]

O4Rb2S
[MDL Number]

MFCD00011190
[Molecular Weight]

267
[MOL File]

7488-54-2.mol
Chemical PropertiesBack Directory
[Appearance]

White powder
[Melting point ]

1050 °C
[Boiling point ]

1700 °C
[density ]

3.613 g/mL at 25 °C(lit.)
[refractive index ]

1.513
[form ]

crystal
[color ]

white
[Specific Gravity]

3.613
[Water Solubility ]

soluble
[CAS DataBase Reference]

7488-54-2(CAS DataBase Reference)
[EPA Substance Registry System]

7488-54-2(EPA Substance)
Hazard InformationBack Directory
[Chemical Properties]

colorless crystal(s) [MER06] [HAW93]
[Description]

Rubidium sulfate is a White orthogonal crystal. The molecular formula of the compound is Rb2SO4 and the molecular weight of rubidium sulfate is 266.999 g/mol. Rubidium Sulfate is a moderately water and acid soluble. Rubidium source for uses compatible with sulfates. Sulfate compounds are salts or esters of sulfuric acid formed by replacing one or both of the hydrogens with a metal.
[Physical properties]

White orthogonal crystal; density 3.6 g/cm3; melts at 1,050°C; very soluble in water, 36 g/100g at 0°C and 82 g/100g at 100°C.
[Uses]

Rubidium sulfate is used in hematology stain.
[Purification Methods]

Crystallise the sulfate from water (1.2mL/g) between 100o and 0o.
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S37/39:Wear suitable gloves and eye/face protection .
[WGK Germany ]

2
[RTECS ]

WS8350000
[TSCA ]

Yes
[HS Code ]

28332980
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

Rubidium sulfate(7488-54-2).msds
Questions And AnswerBack Directory
[Preparation]

Rubidium sulfate can be prepared by neutralization of a solution of rubidium hydroxide or carbonate with sulfuric acid:
2RbOH + H2SO4 → Rb2SO4 + 2H2O
Rb2CO3 + H2SO4 →Rb2SO4 + H2O + CO2
Alternatively, Rb sulfate may be obtained by treating a hot solution of rubidium aluminum sulfate (rubidium alum) with ammonia solution.
Aluminum hydroxide precipitates. The product mixture is filtered. The filtrate on evaporation crystallizes rubidium sulfate.
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Rubidium sulfate, pure(7488-54-2)
[Alfa Aesar]

Rubidium sulfate, Puratronic, 99.975% (metals basis)(7488-54-2)
[Sigma Aldrich]

7488-54-2(sigmaaldrich)
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