7446-16-4

Basic information

• Product Name: RADIUMSULFATE
• Synonyms: RADIUMSULFATE;Sulfuric acid radium salt
• CAS NO: 7446-16-4
• Molecular Formula: RaSO4
• Molecular Weight: 322.0891
• Mol File: 7446-16-4.mol
• Article Data: 0

Chemical Properties

• Boiling Point: 330°Cat760mmHg
• Flash Point: °C
• Appearance: /white crystals
• Density: g/cm³
• Vapor Pressure: 3.35E-05mmHg at 25°C
• Water Solubility: insoluble H2O, acids [HAW93]
• CAS DataBase Reference: RADIUMSULFATE(CAS DataBase Reference)
• NIST Chemistry Reference: RADIUMSULFATE(7446-16-4)
• EPA Substance Registry System: RADIUMSULFATE(7446-16-4)

Safety Data

• Hazardous Substances Data: 7446-16-4(Hazardous Substances Data)

Usage

Description

Radium sulfate (RaSO4) is a highly insoluble radioactive compound with the molecular formula RaSO4 and a molecular weight of 322.0626 g/mol. It is formed when radium combines with a sulfate ion and is known for being the most insoluble sulfate in chemistry. Radium sulfate appears as white rhomb crystals when pure, but its color may vary to yellow, orange, or pink when impure. It is a decay product in the 238U series and has a CAS Number of 7446-16-4.

Uses

1. Used in Research and Scientific Applications:
Radium sulfate is used as a research compound for studying its unique insolubility properties and radioactive characteristics. Its insolubility in water makes it an interesting subject for chemical and physical studies.
2. Used in Environmental and Health Studies:
Due to its presence as a decay product in the 238U series, radium sulfate is used in environmental and health studies to understand the accumulation of radon in household basements and its potential impact on human health.
3. Used in Radioactive Waste Management:
Radium sulfate's insolubility and radioactivity make it a relevant compound for research in radioactive waste management and disposal techniques, aiming to minimize the environmental and health risks associated with radioactive materials.
4. Used in Industrial Applications:
Although not explicitly mentioned in the provided materials, radium sulfate's radioactivity could potentially be utilized in industrial applications such as radiography, radiotherapy, or as a source of radium for other industrial processes. However, due to its hazardous nature, strict safety measures and regulations would be required for such uses.

InChI:InChI=1/H2O4S.Ra/c1-5(2,3)4;/h(H2,1,2,3,4);/p-2