Cadmium bromide

Names
IUPAC name

Cadmium(II) bromide

Other names

Cadmium dibromide

Identifiers

CAS Number

* 7789-42-6 Y
* 13464-92-1 (tetrahydrate) Y

3D model (JSmol)

* Interactive image

ChemSpider |

* 23011 Y

EC Number |

* 232-165-1

PubChem CID

* 24609

RTECS number |

* EU9935000

UNII |

* 7726AXS0WH Y

InChI

* InChI=1S/2BrH.Cd/h2*1H;/q;;+2/p-2 Y

Key: KPWJBEFBFLRCLH-UHFFFAOYSA-L Y

* InChI=1/2BrH.Cd/h2*1H;/q;;+2/p-2

Key: KPWJBEFBFLRCLH-NUQVWONBAB

SMILES

* Br[Cd]Br

Properties

Chemical formula

| CdBr2
Molar mass | 272.22 g/mol
Appearance  | white solid
Density | 5.192 g/cm3, solid
Melting point |  568 °C (1,054 °F; 841 K)
Boiling point |  844 °C (1,551 °F; 1,117 K)

Solubility in water

| 56.3 g/100 mL (0 °C)
98.8 g/100 mL (20 °C)
160 g/100 mL (100 °C)
Solubility | soluble in alcohol, ether, acetone and liquid ammonia.

Magnetic susceptibility (χ)

| −87.3·10−6 cm3/mol
Structure

Crystal structure

| Rhombohedral, hr9, SpaceGroup = R-3m, No. 166
Hazards
GHS pictograms |
GHS Signal word | Warning

GHS hazard statements

| H302, H312, H332, H410

GHS precautionary statements

| P220, P273, P280, P501
NFPA 704 (fire diamond)  |

Lethal dose or concentration (LD, LC):

LD50 (median dose)

| 225 mg/kg, oral (rat)
NIOSH (US health exposure limits):

PEL (Permissible)

| [1910.1027] TWA 0.005 mg/m3 (as Cd)[1]

REL (Recommended)

| Ca[1]

IDLH (Immediate danger)

| Ca [9 mg/m3 (as Cd)][1]
Related compounds

Other anions

| Cadmium chloride,
Cadmium iodide

Other cations

| Zinc bromide,
Calcium bromide,
Magnesium bromide

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Y verify (what is YN ?)
Infobox references

Cadmium bromide is the inorganic compound with the formula CdBr2. It is a white hygroscopic solid. It also can be obtained as a mono- and tetrahydrate.[2] It has few applications.

## Preparation and structure

Cadmium bromide is prepared by heating cadmium with bromine vapor.[2] The tetrahydrate has been obtained by crystallization of the dibromide from aqueous solution. At 3.04 g/cm3, it is much less dense than the anhydrous material. According to X-ray crystallography, the tetrahydrate is a polymer of CdBr2(H2O)2 with bridging bromide ligands. There are two interstitial water molecules[3]

## References

1. ↑ 1.0 1.1 1.2 NIOSH Pocket Guide to Chemical Hazards. "#0087". National Institute for Occupational Safety and Health (NIOSH). https://www.cdc.gov/niosh/npg/npgd0087.html.
2. ↑ 2.0 2.1 F. Wagenknecht; R. Juza (1963). "Cadmium bromide". in G. Brauer. Handbook of Preparative Inorganic Chemistry, 2nd Ed.. 2. NY, NY: Academic Press. pp. 1096.
3. ↑ Leligny, H.; Monier, J. C. (1978). "Structure Cristalline de CdBr2.4H2O". Acta Crystallographica Section B 34 (1): 5–8. doi:10.1107/S0567740878002186. Bibcode: 1978AcCrB..34....5L.

* v
* t
* e

Cadmium compounds

Cadmium(I)|

* Cd2(AlCl4)2

Cadmium(II)|

* Cd(BF4)2
* CdF2
* CdCl2
* CdBr2
* CdI2
* Cd(CN)2
* CdH2
* CdO
* CdS
* CdSe
* CdTe
* Cd(OH)2
* Cd(NO3)2
* CdSO4
* CdWO4
* Cd3As2
* CsCdCl3
* CsCdBr3

* v
* t
* e

Bromine compounds

* AgBr
* AlBr3
* AmBr3
* AsBr3
* AuBr3
* BBr3
* B2Br4
* BaBr2
* BeBr2
* BiBr3
* BrCl
* CsBr
* BrF3
* BrF5
* HBr
* IBr
* KBr
* LiBr
* BrN3
* NaBr
* BrO2
* RbBr
* TlBr
* CaBr2
* CdBr2
* CoBr2
* CuBr2
* EuBr2
* FeBr2
* GeBr2
* HgBr2
* Hg2Br2
* MgBr2
* MnBr2
* NiBr2
* Br2O
* Br2O3
* Br2O5
* PbBr2
* PdBr2
* PtBr2
* RaBr2
* S2Br2
* Se2Br2
* SnBr2
* SrBr2
* TeBr2
* YbBr2
* ZnBr2
* CeBr3
* CrBr3
* CsBr3
* DyBr3
* ErBr3
* EuBr3
* FeBr3
* GaBr3
* GdBr3
* HoBr3
* InBr
* InBr3
* IrBr3
* LaBr3
* LuBr3
* MoBr3
* NBr3
* NdBr3
* PBr3
* PrBr3
* ReBr3
* SbBr3
* SmBr3
* TbBr3
* TmBr3
* UBr3
* VBr3
* YBr3
* YbBr3
* GeBr4
* HfBr4
* PbBr4
* SeBr4
* SiBr4
* SnBr4
* TeBr4
* ThBr4
* TiBr4
* UBr4
* WBr4
* ZrBr4
* NbBr5
* PBr5
* TaBr5
* UBr5
* WBr5
* CBr4
* CrBr2
* DyBr2
* HfBr2
* HfBr3

Chemical formulas

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*[H302]: Harmful if swallowed
*[H312]: Harmful in contact with skin
*[H332]: Harmful if inhaled
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