Barium thiosulfate
- Product NameBarium thiosulfate
- CAS35112-53-9
- MFBaO3S2
- MW249.46
- EINECS252-375-7
- MOL File35112-53-9.mol
Chemical Properties
| Melting point | decomposes at 220℃ [CRC10] |
| Density | 3.45 |
| solubility | insoluble in ethanol |
| form | white crystalline powder |
| color | white crystals, crystalline powder |
| Water Solubility | insoluble EtOH; 0.220 g/100g H2O [CRC10] |
| Merck | 13,1002 |
| Solubility Product Constant (Ksp) | pKsp: 4.79 |
| Exposure limits | ACGIH: TWA 0.5 mg/m3 NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3 |
| InChI | 1S/Ba.H2O3S2/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2 |
| InChIKey | ONPIOWQPHWNPOQ-UHFFFAOYSA-L |
| SMILES | [Ba++].[O-]S([O-])(=O)=S |
| CAS DataBase Reference | 35112-53-9(CAS DataBase Reference) |
| EPA Substance Registry System | Thiosulfuric acid (H2S2O3), barium salt (1:1) (35112-53-9) |
Safety Information
| Hazard Codes | Xn |
| Risk Statements | 20/22 |
| Safety Statements | 28 |
| RIDADR | UN 1564 6.1/PG 3 |
| WGK Germany | 1 |
| TSCA | TSCA listed |
| HazardClass | 6.1 |
| PackingGroup | III |
| Storage Class | 6.1D - Non-combustible acute toxic Cat.3 toxic hazardous materials or hazardous materials causing chronic effects |
| Hazard Classifications | Acute Tox. 4 Inhalation Acute Tox. 4 Oral |