Barium Sulfate

• CAS: 7727-43-7
• Catalog Number: ACM7727437
• Category: Main Products
• Molecular Weight: 233.39g/mol
• Molecular Formula: BaO4S
• 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
• 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
• InChI Key: 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
• Density: 4.5
• Solubility: water, 8470 mg/L @ 25 °C (est)
• Appearance: White powder
• Assay: 0.98
• Color/Form: Fine, heavy powder or polymorphous crystals;White, orthorhombic crystals;White or yellowish powder;Opaque powder
• Complexity: 62.2
• Covalently-Bonded Unit Count: 2
• Decomposition: When heated to decomposition it emits toxic fumes of /sulfur oxides/.;Decomposes above 1600 °C;1600 °C
• EC Number: 231-784-4;236-664-5
• Exact Mass: 233.856977g/mol
• Form: Nanodispersion (Water, IPA, Ethanol)
• Formal Charge: 0
• H-Bond Acceptor: 4
• H-Bond Donor: 0
• Heavy Atom Count: 6
• ICSC Number: 0827
• MDL Number: MFCD00003455
• Monoisotopic Mass: 233.856977g/mol
• Odor: Odorless
• Other Experimental: SOLUBILITY IN WATER INCREASES CONSIDERABLY IN PRESENCE OF CHLORIDE & OTHER ANIONS;1149 °C (transition point monoclinic);Lithopone does not darken in the presence of sulfides;Mohs hardness: 3.3;Heat of formation: -1473.2 kJ/mol; Gibbs energy of formation: -1362.2 kJ/mol; molar entropy: 132.2 J/mol-K; molar heat capacity: 101.8 J/mol-K
• Packaging: 25 ton
• Refractive Index: Indices of refraction: 1.636 (alpha), 1.637 (beta), 1.648 (gamma)
• Rotatable Bond Count: 0
• RTECS Number: CR0600000
• Stability: Stable.
• UNII: 25BB7EKE2E
• UN Number: 1564;1564;1564
• Vapor Pressure: 0 mm Hg (approx) (NIOSH, 2016);0 mmHg (approx);0 mmHg (approx)

Custom Q&A

What is the molecular formula of Barium Sulfate?

The molecular formula of Barium Sulfate is BaSO4.

What are the synonyms for Barium Sulfate?

The synonyms for Barium Sulfate are Barite, Barytes, and Barium sulphate.

What is the molecular weight of Barium Sulfate?

The molecular weight of Barium Sulfate is 233.39 g/mol.

Is Barium Sulfate soluble in water?

No, Barium Sulfate is insoluble in water.

What is the density of Barium Sulfate?

The density of Barium Sulfate is 4.25-4.5 g cm-3.

How is Barium Sulfate used in industry?

Barium Sulfate is used as a weighting mud in oil drilling, in paints, paper coatings, linoleum, textiles, and rubber.

How is Barium Sulfate used in medicine?

Barium Sulfate is administered internally as a radio-opaque diagnostic aid, often called a "barium cocktail", and is used as a contrast agent in diagnostic x-ray procedures.

What does the acronym LCSS stand for in relation to Barium Sulfate?

LCSS stands for Laboratory Chemical Safety Summary, which is a datasheet providing information on the chemical safety of Barium Sulfate.

What is the IUPAC name of Barium Sulfate?

The IUPAC name of Barium Sulfate is barium(2+);sulfate.

How is Barium Sulfate ingested for enhanced visualization of the gastrointestinal tract?

Barium Sulfate is ingested by mouth or administered rectally and combined with granules of effervescent bicarbonate to enhance distension of the GI tract.