Difference between revisions of "Barium chloride"
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Revision as of 21:58, 16 February 2017
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|
 Barium chloride crystals.
| |
| Names | |
|---|---|
| IUPAC name
Barium chloride
| |
| Other names
Barium dichloride
Barium muriate Muryate of Barytes | |
| Identifiers | |
| Jmol-3D images | Image |
| |
| Properties | |
| BaCl2 | |
| 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 |
| Thermochemistry | |
| Std enthalpy of
formation (ΔfH |
−858.56 kJ/mol |
| Hazards | |
| Safety data sheet | FisherScientific |
| Flash point | Non-flammable |
| Lethal dose or concentration (LD, LC): | |
| LD50 (Median dose)
|
78 mg/kg (rat, oral) 50 mg/kg (guinea pig, oral) |
| Related compounds | |
| Related compounds
|
Barium chlorate |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Barium chloride is the inorganic compound with the formula BaCl2.
Contents
Properties
Chemical
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.
Physical
Barium chloride is a white solid, soluble in water and methanol, but insoluble in ethanol and alkanes.
Availability
Barium chloride can be purchased online.
Preparation
Can be prepared by reacting barium carbonate with hydrochloric acid. The solution is concentrated by boiling it and is then left to cool, which causes the barium chloride to crystallize.
A good method of obtaining barium chloride from pottery-grade barium carbonate can be found here.
Projects
- Sulfate test
- Make green flame
Handling
Safety
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.
Storage
Barium chloride should be stored in closed bottles.
Disposal
Barium chloride should be mixed with sodium sulfate or magnesium sulfate before disposal.
References
Relevant Sciencemadness threads
- Article stubs
- Chemical pages without CAS Registry Number
- Articles without EBI source
- Chemical pages without ChemSpiderID
- Chemical pages without DrugBank identifier
- Articles without KEGG source
- Articles without InChI source
- Articles without UNII source
- Articles containing unverified chemical infoboxes
- Chemical compounds
- Inorganic compounds
- Barium compounds
- Chlorides
- Heavy metal toxicants
- Easily prepared chemicals
