Products Description
maleic-anhydride.html">material/barium-sulfate.html">Barium sulfate is available as odourless, tasteless, white or yellowish crystals or powder or polymorphous crystals. It is stable and insoluble or negligibly soluble in water, and on burning, it may produce sulphur oxides.
Product 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 OSHA: TWA 15 mg/m3; TWA 5 mg/m3 NIOSH: TWA 10 mg/m3; 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 and Delivery
Barium sulfate (BaSO4), as mentioned, is used in medicine as an opaque liquid medium to block X-rays when ingested, thus providing an image of ulcers and intestinal problems. It is also used in the manufacture of paints, rubber, and plastics. Delivery is about 2-3 working days New production 7-10 working days
