Barium sulfate CAS#7727-43-7
Stable and Insoluble: Barium sulfate is highly stable and virtually insoluble in water, making it ideal for use in various industrial applications without reacting with other substances.
Wide pH Range Compatibility: It is effective in a broad pH range (3.5-10.0), ensuring versatility for use in different formulations.
High Density: With a density of 4.5, barium sulfate is heavy, making it suitable for use in applications that require a dense material.
Odorless and Tasteless: Barium sulfate is odorless and tasteless, making it non-intrusive for use in sensitive applications like cosmetics, pharmaceuticals, and industrial products.
Barium Sulfate is available in the form of odorless, tasteless, white or yellowish crystals, powder, or polymorphous crystals, making it a versatile compound for various industrial applications. It is highly stable and virtually insoluble, or only negligibly soluble, in water, ensuring it remains inert and non-reactive in aqueous environments.
When exposed to high temperatures, barium sulfate may produce sulfur oxides upon burning, a characteristic that should be considered in specific processes where combustion may occur. Its physical and chemical properties make it widely used in industries such as pharmaceuticals, paints, and coatings.
Parameters
Melting point | 1580 °C |
Boiling point | decomposes at 1580℃ [KIR78] |
bulk density | 500kg/m3 |
density | 4.5 |
storage temp | Storage temperature: no restrictions. |
solubility | water: insoluble |
form | powder |
color | White to yellow |
Specific Gravity | 4.5 |
Odor | wh. or ylsh. fine powd. free from grittiness, odorless, tasteless |
PH | 3.5-10.0 (100g/l, H2O, 20℃)suspension |
PH Range | 7 |
Water Solubility | 0.0022 g/L (50 ºC) |
Crystal Structure | Barite |
crystal system | Nogata |
Merck | 14,994 |
Space group | Pnma |
Solubility Product Constant (Ksp) | pKsp: 9.97 |
Lattice constant | a/nmb/nmc/nmα/oβ/oγ/oV/nm30.89090.54670.7188909090 |
Dielectric constant | 11.4（16.0℃） |
Exposure limits | ACGIH: TWA 5 mg/m3 |
Stability | Stable. |
LogP | -1.031 (est) |
CAS DataBase Reference | 7727-43-7(CAS DataBase Reference) |
EPA Substance Registry System | Barium sulfate (7727-43-7) |
Safety Information
Hazard Codes | Xn |
Risk Statements | 20/21/22-36/37/38 |
Safety Statements | 22-24/25-36-26 |
OEB | B |
OEL | TWA: 10 mg/m3 (total) |
WGK Germany | - |
RTECS | CR0600000 |
TSCA | Yes |
HS Code | 28332700 |
Hazardous Substances Data | 7727-43-7(Hazardous Substances Data) |
Toxicity | LD50 orally in Rabbit: > 20000 mg/kg |
