Names | |
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IUPAC name
Beryllium chloride
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Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.029.197 |
PubChem CID
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RTECS number |
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
BeCl2 | |
Molar mass | 79.9182 g/mol |
Appearance | White or yellow crystals |
Density | 1.899 g/cm3, solid |
Melting point | 399 °C (750 °F; 672 K) |
Boiling point | 482 °C (900 °F; 755 K) |
15.1 g/100 mL (20 °C) | |
Solubility | soluble in alcohol, ether, benzene, and pyridine slightly soluble in chloroform and sulfur dioxide |
Structure | |
hexagonal | |
polymer | |
Thermochemistry | |
Heat capacity (C)
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7.808 J/K or 71.1 J/mol K |
Std molar
entropy (S⦵298) |
63 J/mol K |
Std enthalpy of
formation (ΔfH⦵298) |
−6.136 kJ/g or -494 kJ/mol |
Gibbs free energy (ΔfG⦵)
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-468 kJ/mol |
Std enthalpy of
combustion (ΔcH⦵298) |
16 kJ/mol |
Hazards | |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose)
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86 mg/kg (rat, oral) |
NIOSH (US health exposure limits): | |
PEL (Permissible)
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TWA 0.002 mg/m3 C 0.005 mg/m3 (30 minutes), with a maximum peak of 0.025 mg/m3 (as Be)[1] |
REL (Recommended)
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Ca C 0.0005 mg/m3 (as Be)[1] |
IDLH (Immediate danger)
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Ca [4 mg/m3 (as Be)][1] |
Related compounds | |
Other anions
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Beryllium fluoride Beryllium bromide Beryllium iodide |
Other cations
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Magnesium chloride Calcium chloride Strontium chloride Barium chloride Radium chloride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Beryllium chloride is an inorganic compound with the formula BeCl2. It is a colourless, hygroscopic solid that dissolves well in many polar solvents. Its properties are similar to those of aluminium chloride, due to beryllium's diagonal relationship with aluminium.