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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
[mp ]

1050 °C
[Boiling point ]

1700 °C
[bp ]

1700 °C
[density ]

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

1.513
[form ]

crystal
[color ]

white
[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]
[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
[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.
[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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