Beryllium chloride

Beryllium chloride
Names
	IUPAC name Beryllium chloride
Identifiers
CAS Number	7787-47-5 ;
3D model (JSmol)	ionic depiction: Interactive image; covalent monomer: Interactive image; polymer: Interactive image;
ChemSpider	22991 ;
ECHA InfoCard	100.029.197
PubChem CID	24588;
RTECS number	DS2625000;
UNII	58B7024067 ;
CompTox Dashboard (EPA)	DTXSID10858756 ;
	InChI InChI=1S/Be.2ClH/h;21H/q+2;;/p-2 Key: LWBPNIJBHRISSS-UHFFFAOYSA-L ; InChI=1/Be.2ClH/h;21H/q+2;;/p-2 Key: LWBPNIJBHRISSS-NUQVWONBAX;
	SMILES ionic depiction: [Be+2].[Cl-].[Cl-]; covalent monomer: Cl[Be]Cl; polymer: Cl[Be-2](Cl)([Cl+]1)[Cl+][Be-2]1([Cl+]1)[Cl+][Be-2]1([Cl+]1)[Cl+][Be-2]1([Cl+]1)[Cl+][Be-2]1([Cl+]1)[Cl+][Be-2]1([Cl+]1)[Cl+][Be-2]1([Cl+]1)[Cl+][Be-2]1([Cl+]1)[Cl+][Be-2]1([Cl+]1)[Cl+][Be-2]1([Cl+]1)[Cl+][Be-2]1([Cl+]1)[Cl+][Be-2]1([Cl+]1)[Cl+][Be-2]1(Cl)Cl;
Properties
Chemical formula	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)
Solubility in water	15.1 g/100 mL (20 °C)
Solubility	soluble in alcohol, ether, benzene, and pyridine ; slightly soluble in chloroform and sulfur dioxide
Structure
Crystal structure	hexagonal
Molecular shape	polymer
Thermochemistry
Heat capacity (C)	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⦵)	−468 kJ/mol
Std enthalpy of; combustion (ΔcH⦵298)	16 kJ/mol
Hazards
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	86 mg/kg (rat, oral)
	NIOSH (US health exposure limits):
PEL (Permissible)	TWA 0.002 mg/m3; C 0.005 mg/m3 (30 minutes), with a maximum peak of 0.025 mg/m3 (as Be)
REL (Recommended)	Ca C 0.0005 mg/m3 (as Be)
IDLH (Immediate danger)	Ca [4 mg/m3 (as Be)]
Related compounds
Other anions	Beryllium fluoride; Beryllium bromide; Beryllium iodide
Other cations	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). verify (what is ?) Infobox references

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.