Strontium chloride

Strontium chloride
Names
	IUPAC name Strontium chloride
	Other names Strontium(II) chloride
Identifiers
CAS Number	10476-85-4 ; 10025-70-4 (hexahydrate) ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:36383 ;
ChEMBL	ChEMBL2219640 ;
ChemSpider	55440 ;
ECHA InfoCard	100.030.870
EC Number	233-971-6;
PubChem CID	61520;
UNII	EKE8PS9J6Z ; O09USB7Z44 (hexahydrate) ;
CompTox Dashboard (EPA)	DTXSID6040616 ;
	InChI InChI=1S/2ClH.Sr/h21H;/q;;+2/p-2 Key: AHBGXTDRMVNFER-UHFFFAOYSA-L ; InChI=1S/2ClH.Sr/h21H;/q;;+2/p-2; Key: AHBGXTDRMVNFER-UHFFFAOYSA-L;
	SMILES [Sr+2].[Cl-].[Cl-];
Properties
Chemical formula	SrCl2
Molar mass	158.53 g/mol (anhydrous); 266.62 g/mol (hexahydrate)
Appearance	White crystalline solid
Density	3.052 g/cm3 (anhydrous, monoclinic form); 2.672 g/cm3 (dihydrate); 1.930 g/cm3 (hexahydrate)
Melting point	874 °C (1,605 °F; 1,147 K) (anhydrous) ; 61 °C (hexahydrate)
Boiling point	1,250 °C (2,280 °F; 1,520 K) (anhydrous)
Solubility in water	anhydrous: ; 53.8 g/100 mL (20 °C) hexahydrate: ; 106 g/100 mL (0 °C) ; 206 g/100 mL (40 °C)
Solubility	ethanol: very slightly soluble; acetone: very slightly soluble ; ammonia: insoluble
Magnetic susceptibility (χ)	−63.0·10−6 cm3/mol
Refractive index (nD)	1.650 (anhydrous) ; 1.594 (dihydrate) ; 1.536 (hexahydrate)
Structure
Crystal structure	Deformed rutile structure
Coordination geometry	octahedral (six-coordinate)
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Irritant
NFPA 704 (fire diamond)	2 0 0
Flash point	N/A
Related compounds
Other anions	Strontium fluoride; Strontium bromide; Strontium iodide
Other cations	Beryllium chloride; Magnesium chloride; Calcium 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

Strontium chloride (SrCl₂) is a salt of strontium and chloride. It is a 'typical' salt, forming neutral aqueous solutions. As with all compounds of strontium, this salt emits a bright red colour in flame, and is commonly used in fireworks to that effect. Its properties are intermediate between those for barium chloride, which is more toxic, and calcium chloride.

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