Barium Sulfate – CAS 7727-43-7

Barium Sulfate (CAS 7727-43-7) is supplied by Rexar as an analytical chemical for laboratory and technical applications. The compound is commonly used as a laboratory reagent, reference material and analytical standard component within controlled laboratory environments.

This material is supplied for analytical, technical and research purposes only.

Rexar Technical Compound Datasheet (PDF)

Safety Data Sheet (SDS)

Documentation: View the SDS and Technical Datasheet for this product, or browse our Technical Documentation library.

PubChem Compound Information

Technical Information

• Chemical name: Barium sulfate
• CAS Number: 7727-43-7
• EC Number: 231-784-4
• Molecular formula: BaSO₄
• Molecular weight: 233.39 g/mol
• Appearance: White to yellowish powder or small crystals
• Density: Approximately 4.25–4.5 g/cm³
• Solubility: Practically insoluble in water
• Melting / decomposition: Approximately 1580 °C

Laboratory Use

Barium Sulfate is widely used in analytical chemistry, reagent preparation, quality control procedures and laboratory research. The material is supplied in sealed laboratory packaging and intended exclusively for professional, technical and scientific use.