Barium sulfate CAS#7727-43-7
Odourless and tasteless properties ：
Ensures user comfort and safety in applications where sensory characteristics are critical.
Stability under various conditions ：
Maintains integrity in diverse environments due to its chemical inertness.
Insolubility in water ：
Provides resistance to dissolution, making it suitable for use in aqueous systems without degradation.
Polymorphous crystal forms availability ：
Offers versatility in physical form for tailored industrial or medical applications.
Product Description of Barium sulfate (CAS#7727-43-7)
Barium sulfate exists as odorless, tasteless, white or yellowish crystals, powder, or polymorphous crystals. It is chemically stable and insoluble or nearly insoluble in water. When burned, it may release sulfur oxides.
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 |
Product Application of Barium sulfate (CAS#7727-43-7)
Barium sulfate (BaSO4) serves as an opaque liquid medium in medicine, blocking X-rays upon ingestion to enable imaging of ulcers and intestinal issues. Additionally, it is utilized in the production of paints, rubber, and plastics.
