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HomeProduct name listRadium Sulfate

Radium Sulfate

  • CAS NO.:7446-16-4
  • Empirical Formula: RaSO4
  • Molecular Weight: 0
  • Update Date: 2023-10-17 17:11:56
Radium Sulfate Structural

What is Radium Sulfate?

Description

Radium sulfate has the molecular formula of RaSO4 and the molecular weight of 322.0626 g/mol. It can be prepared by dissolving radium oxide in sodium sulfate solution:
RaO+Na2SO4+H2O ? RaSO4+NaOH
Radium sulfate is insoluble in water with a solubility product of 3.66×10-11. The solubility of radium sulfate would appear as at least 100-fold less than barium sulfate. Thus, it is the most insoluble sulfate known. Its CAS Number is 7446-16-4. It appears as white crystals. Since radium is a decay product in the 238U series which then allows radon to accumulate in household basements, it is RaSO4 that has received some attention in the scientific literature.

Chemical properties

white, rhomb crystal(s) when pure, else colored yellow, orange, pink; radioactive [HAW93] [CRC10]

The Uses of Radium Sulfate

Radium sulfate (RaSO4) is the most insoluble sulfate known in chemistry and is created when radium combines with a sulfate ion (Ra + H2SO4 → RaSO4 + H2↑).

Properties of Radium Sulfate

solubility  insoluble in H2O, acid solutions
form  white crystals
color  white crystals, crystalline
Water Solubility  insoluble H2O, acids [HAW93]
Solubility Product Constant (Ksp) pKsp: 10.44
CAS DataBase Reference 7446-16-4

Safety information for Radium Sulfate

Computed Descriptors for Radium Sulfate

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