Barium chloride facts for kids

Quick facts for kids Barium chloride
Other names	Barium muriate Muryate of Barytes Barium dichloride
Identifiers
CAS number	10361-37-2
PubChem	25204
EC number	233-788-1
RTECS number	CQ8750000 (anhydrous) CQ8751000 (dihydrate)
SMILES	[Ba+2].[Cl-].[Cl-]
InChI InChI=1/Ba.2ClH/h;2*1H/q+2;;/p-2
Properties
Molecular formula	BaCl2
Molar mass	208.23 g/mol (anhydrous) 244.26 g/mol (dihydrate)
Appearance	White solid
Density	3.856 g/cm3 (anhydrous) 3.0979 g/cm3 (dihydrate)
Melting point	962 °C, 1235 K, 1764 °F
Boiling point	1560 °C, 1833 K, 2840 °F
Solubility in water	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
Magnetic susceptibility (χ)	-72.6·10−6 cm3/mol
Structure
Crystal structure	orthogonal (anhydrous) monoclinic (dihydrate)
Coordination geometry	7-9
Thermochemistry
Std enthalpy of formation ΔfHo298	−858.56 kJ/mol
Hazards
Main hazards	Acute Toxic
NFPA 704	0 3 0
Flash point	Non-flammable
U.S. Permissible exposure limit (PEL)	TWA 0.5 mg/m3
Related compounds
Other anions	Barium fluoride Barium bromide Barium iodide
Other cations	Beryllium chloride Magnesium chloride Calcium chloride Strontium chloride Radium chloride Lead chloride
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

Barium chloride is a chemical substance. It is among the most important salts of barium. It is soluble in water. It is a poison. When it is heated, it gives a yellow or green color to the flame. It is hygroscopic, meaning that it attracts water from the air. It is mainly used to purify brine but applications include fireworks.

Barium chloride is toxic. Sodium sulfate may be an antidote.

See also

In Spanish: Cloruro de bario para niños