Senarmontite is a mineral with formula of Sb3+2O3 or Sb2O3. The IMA symbol is Sen.
Health hazard
⚠️ For information only; not a substitute for the official Safety Data Sheet (SDS).
Senarmontite is a mineral with formula of Sb3+2O3 or Sb2O3. The IMA symbol is Sen.
| Physical Description | Antimony trioxide is a white crystalline solid. It is insoluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment… |
| Color/Form | Colorless, cubic form (valentinite); colorless (senarmontite) |
| Odor | Odorless |
| Melting Point | 1211 °F (NTP, 1992) |
| Boiling Point | 2822 °F at 760 mmHg (sublimes); 1598 °F at 210 mmHg (NTP, 1992) |
| Flash Point | Not Applicable. Not flammable. (USCG, 1999) |
| Density | 5.2 at 77 °F (USCG, 1999) - Denser than water; will sink |
| Solubility | less than 1 mg/mL at 68 °F (NTP, 1992) |
| Vapor Pressure | 1 mmHg at 1065 °F (NTP, 1992) |
| Refractive Index | Index of refraction: 1.5144 at 589 nm (senarmontite) |
| Stability/Shelf Life | Stable under recommended storage conditions. |
| IUPAC Name | bis(antimony(3+));tris(oxygen(2-)) |
| Molecular Formula | O3Sb2 |
| Molecular Weight | 291.52 g/mol |
| CAS | 1309-64-4 |
| SMILES | [O-2].[O-2].[O-2].[Sb+3].[Sb+3] |
| InChIKey | GHPGOEFPKIHBNM-UHFFFAOYSA-N |
| Catalog No | KC.110264 |
| Pack sizes | 500GM |
⚠️ For information only; not a substitute for the official SDS.