| Formula / Notation | BaO4S |
|---|---|
| CAS Number | 7727-43-7 |
| Molecular Weight | 233.39 |
| Melting Point | 2876 °F (NIOSH, 2024) |
| Boiling Point | 2912 °F at 760 mmHg (Decomposes) (NIOSH, 2024) |
| Density | 4.25 to 4.5 (NIOSH, 2024) |
| Solubility | 0.0002 % at 64 °F (NIOSH, 2024) |
| Appearance | 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 h... |
| Also Known As | barium(2+) sulfate; 7727-43-7; Baritop; Barium sulphate; Barosperse; Esophotrast; Macropaque; Micropaque; Microtrast; Radiobaryt |
| Category | Salts |
What is Barium sulfate?
Barium sulfate is a metal sulfate with formula BaO4S. Virtually insoluble in water at room temperature, it is mostly used as a component in oil well drilling fluid it occurs naturally as the mineral barite. It has a role as a radioopaque medium. It is an inorganic barium salt, a metal sulfate and a barium salt.
Formula & Notation
IUPAC Name: barium(2+) sulfate
Other Names / Synonyms: barium(2+) sulfate; 7727-43-7; Baritop; Barium sulphate; Barosperse; Esophotrast; Macropaque; Micropaque; Microtrast; Radiobaryt
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 2876 °F (NIOSH, 2024) |
| Boiling Point | 2912 °F at 760 mmHg (Decomposes) (NIOSH, 2024) |
| Density | 4.25 to 4.5 (NIOSH, 2024) |
| Molecular Weight | 233.39 |
| Solubility | 0.0002 % at 64 °F (NIOSH, 2024) |
| Appearance | 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 h... |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Barium sulfate is a metal sulfate with formula BaO4S. Virtually insoluble in water at room temperature, it is mostly used as a component in oil well drilling fluid it occurs naturally as the mineral barite. It has a role as a radioopaque medium. It is an inorganic barium salt, a metal sulfate and a barium salt.
Used in food preservation, water treatment, chemical synthesis, fertilizers, and pharmaceutical applications.
Irritant or toxic depending on specific salt. Some salts are oxidising agents or toxic to aquatic environments. Consult SDS before use.
The formula or notation for Barium sulfate is: BaO4S