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  • Barium Sulfate
  • 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.
    Structure
    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)
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