Barium oxide
ALDRICH/554847 - 99.99% trace metals basis
Synonym: Baria; Barium monoxide
CAS Number: 1304-28-5
Empirical Formula (Hill Notation): BaO
Molecular Weight: 153.33
EC Number: 215-127-9
MDL Number: MFCD00003453
Linear Formula: BaO
Product Type: Chemical
| assay | 99.99% trace metals basis |
| density | 5.72 g/mL at 25 °C (lit.) |
| form | powder |
| InChI | 1S/Ba.O |
| InChI key | QVQLCTNNEUAWMS-UHFFFAOYSA |
| Quality Level | 200 ![]() |
| reaction suitability | reagent type: catalyst core: barium |
| SMILES string | O=[Ba] |
| Application: | BaO can be used in a variety of applications such as: • network modifier in the development of cathode ray tubes • fabrication of glasses such as crown and borosilicate glasses • storage of nitrogen gas • preparation of biodiesel for internal combustion engines |
| Features and Benefits: | Used in the synthesis of the high-κ material BST (barium strontium titanate). Used in the study of NOX storage. |
| General description: | Barium Oxide (BaO) is a white ionic crystal that has a non-flammable nature. It is a cubic structured compound that can be prepared by different methodologies, such as thermal decomposition of barium nitrate, and by heating barium carbonate with carbon black or tar. |
| Packaging: | 5, 25 g in glass bottle |
| Symbol | ![]() GHS05,GHS06 |
| Signal word | Danger |
| Hazard statements | H301 - H314 - H332 |
| Precautionary statements | P260 - P270 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
| Hazard Codes | T |
| Risk Statements | 20-25-34 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 1884 6.1 / PGIII |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 99.99% trace metals basis |
| Density | 5.72 g/mL at 25 °C (lit.) |
| UNSPSC | 12352303 |



