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Barium chloride crystals.
| IUPAC name
| Other names
Muryate of Barytes
|Molar mass|| 208.23 g/mol (anhydrous)|
244.26 g/mol (dihydrate)
|Appearance||White crystalline solid|
|Density|| 3.856 g/cm3 (anhydrous)|
3.0979 g/cm3 (dihydrate)
|Melting point||962 °C (1,764 °F; 1,235 K) (anhydrous)|
|Boiling point||1,560 °C (2,840 °F; 1,830 K)|
| 31.2 g/100 mL (0 °C)|
35.8 g/100 mL (20 °C)
59.4 g/100 mL (100 °C)
|Solubility|| Soluble in methanol|
Insoluble in ethanol, ethyl acetate, toluene
|Vapor pressure||~0 mmHg|
Std enthalpy of
|Safety data sheet||FisherScientific|
|Lethal dose or concentration (LD, LC):|
LD50 (Median dose)
| 78 mg/kg (rat, oral)|
50 mg/kg (guinea pig, oral)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Barium chloride is the inorganic compound with the formula BaCl2. It is a soluble barium compound, useful for the preparation of various barium compounds.
Barium chloride reacts with sulfates to precipitate barium sulfate. This reaction is used in identifying the sulfate species in a sample. This also works with oxalates or carbonates.
Barium chloride can be purchased online.
A good method of obtaining barium chloride from pottery-grade barium carbonate can be found here.
- Sulfate test
- Make green flame
- Barium chlorate synthesis
Barium chloride, like the other water-soluble barium salts, is highly toxic if ingested. A soluble sulfate salt, such as sodium sulfate or magnesium sulfate can be used as antidotes, as they convert the soluble barium ions to the insoluble barium sulfate, which is relatively non-toxic.
Barium chloride should be stored in closed bottles.
Barium chloride should be mixed with sodium sulfate or magnesium sulfate before disposal.