Barium Sulfate

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• Catalog Number: ACM7727437
• Chemical Name: Barium Sulfate
• CAS: 7727-43-7
• Category: Other Nanoparticles; Oxide Nano Dispersion
• Description: Barium sulfate appears as white or yellowish odorless powder or small crystals. Mp: 1580°C (with decomposition). Density: 4.25 -4.5 g cm-3. Insoluble in water, dilute acids, alcohol. Soluble in hot concentrated sulfuric acid. Used as a weighting mud in oil-drilling, in paints, paper coatings, linoleum, textiles, rubber. Administered internally ("barium cocktail") as a radio-opaque diagnostic aid.;DryPowder; Liquid; WetSolid; WetSolid, Liquid;ODOURLESS TASTELESS WHITE OR YELLOWISH CRYSTALS OR POWDER.;White or yellowish, odorless powder.;White or yellowish, odorless powder.
• IUPAC Name: barium(2+);sulfate
• Molecular Weight: 233.39g/mol
• Molecular Formula: BaO4S
• Canonical SMILES: [O-]S(=O)(=O)[O-].[Ba+2]
• InChI: InChI=1S/Ba.H₂O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
• InChIKey: TZCXTZWJZNENPQ-UHFFFAOYSA-L
• Boiling Point: 2912 °F at 760 mm Hg (Decomposes) (NIOSH, 2016);decomposes;2912°F (decomposes);2912°F (Decomposes)
• Melting Point: 1580°C
• Purity: > 99.99%
• Density: 4.5
• Solubility: water, 8470 mg/L @ 25 °C (est)
• Appearance: White powder
• APS: 200-500 nm
• Assay: 0.98
• Color Form: Fine, heavy powder or polymorphous crystals;White, orthorhombic crystals;White or yellowish powder;Opaque powder
• EC Number: 231-784-4;236-664-5
• Exact Mass: 233.856977g/mol
• Form: Nanodispersion (Water, IPA, Ethanol)
• MDL Number: MFCD00003455
• Monoisotopic Mass: 233.856977g/mol
• Odor: Odorless
• Refractive Index: Indices of refraction: 1.636 (alpha), 1.637 (beta), 1.648 (gamma)
• RTECS Number: CR0600000
• Stability: Stable.
• Vapor Pressure: 0 mm Hg (approx) (NIOSH, 2016);0 mmHg (approx);0 mmHg (approx)