| IUPAC name
| Other names
|Molar mass||153.326 g/mol|
|Melting point||1,923 °C (3,493 °F; 2,196 K)|
|Boiling point||2,000 °C (3,630 °F; 2,270 K)|
|Solubility|| Reacts with alcohols, acids, bromine, phenol|
Insoluble in liq. ammonia, organic solvents
|Vapor pressure||~0 mmHg|
Std enthalpy of
|Safety data sheet||Sigma-Aldrich|
|Lethal dose or concentration (LD, LC):|
LD50 (Median dose)
|146 mg/kg (rat, oral)|
| Strontium oxide|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Barium oxide is a white hygroscopic compound with the chemical formula BaO.
Barium oxide reacts with water to give barium hydroxide.
Reaction with acids yields barium salts.
Barium oxide is a white solid, insoluble in solvents.
Barium oxide is sold by chemical suppliers. Can also be bought online.
Reducing barium carbonate with carbon will also give barium oxide.
- Make barium salts
- Make barium peroxide
- Ethoxylation catalyst
- Make crown glass
Barium oxide is caustic and very toxic.
In closed plastic bottles, away from moisture and acids.
Should be converted to barium sulfate, which can be dumped in trash.
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