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| CAS No.: | 7789-42-6 |
|---|---|
| Name: | Cadmium bromide |
| Molecular Structure: | |
|
|
|
| Formula: | Br2Cd |
| Molecular Weight: | 272.218 |
| Synonyms: | Cadmiumbromide (8CI); Cadmium dibromide |
| EINECS: | 232-165-1 |
| Density: | g/cm3 |
| Melting Point: | 566 C |
| Boiling Point: | °Cat760mmHg |
| Flash Point: | °C |
| Solubility: | appreciable |
| Appearance: | yellow crystals or powder |
| Hazard Symbols: | See Cadmium. |
| Risk Codes: | R20/21/22; R50/53 |
| Safety: | Confirmed human carcinogen. When heated to decomposition it emits toxic fumes of Cd and Br−. |
| PSA: | 0.00000 |
| LogP: | -5.99450 |
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Chemistry
IUPAC Name: Cadmium(2+) dibromide
Molecular Formula: CdBr2
Molecular Weight: 272.22g/mol
EINECS: 232-165-1
Transport information: UN 3077 9/PG 3
Density: 5,192 g/cm3
Melting Point: 566 °C
Boiling Point: 863°C at 760mmHg
Flash Point: 863°C
Appearance: yellow crystals or powder
Stability: stable
Sensitive: hygroscopic
Freely Rotating Bonds: 0
Polar Surface Area: 0 Å2
Enthalpy of Vaporization: 19.92 kJ/mol
Vapour Pressure: 20200 mmHg at 25°C
The Cas Register Number of Cadmium bromide is 7789-42-6.The chemical synonyms of Cadmium bromide (CAS NO.7789-42-6) are Cadmium bromide (CdBr2) ; Cadmium dibromide ; Cadmiumbromide(CdBr2) ; Cadmiumbromidedimer ; CdBr2 ; Cadmium bromide ; Cadmium (ii) bromide ; Cadmiumbromideanhydrouswhitepowder . Product categories of CaAdmium bromide (CAS NO.7789-42-6) are Inorganics ; Cadmium Salts ; CadmiumMetal and Ceramic Science ; Catalysis and Inorganic Chemistry ; Chemical Synthesis ; Crystal Grade Inorganics ; Salts .The molecular structure of Cadmium bromide (CAS NO.7789-42-6) is 
.
Uses
It is used in the manufacturing of photographic film, engraving and lithography.It is used in the manufacturing of photographic film, engraving and lithography.
Production
Cadmium bromide (CAS NO.7789-42-6) is prepared by heating cadmium with bromine vapor. Also the compound can be prepared by the treatment of dry cadmium acetate with glacial acetic acid and acetyl bromide. Alternatively, it can be obtained by dissolving cadmium or cadmium oxide in hydrobromic acid and evaporating the solution to dryness under helium in an inert atmosphere.
Toxicity Data With Reference
| 1. | Rodent - rat:322 mg/kg | Details of toxic effects not reported other than lethal dose value | ||
| 2. | Rodent - rat:733 mg/kg/90D-C | Kidney, Ureter, Bladder - other changes in urine composition Nutritional and Gross Metabolic - changes in iron Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphatases |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Confirmed human carcinogen. When heated to decomposition it emits toxic fumes of Cd and Br−.
Hazard Codes: 
Xn,
N
Risk Statements: 20/21/22-50/53
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
R50/53: Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 60-61
S60: This material and its container must be disposed of as hazardous waste.
S61: Avoid release to the environment. Refer to special instructions / safety data sheets.
Standards and Recommendations
OSHA PEL: TWA 5 µg(Cd)/m3
ACGIH TLV: TWA 0.01 mg(Cd)/m3; Suspected Carcinogen
Specification
Cadmium bromide (CAS NO.7789-42-6) is a cream-coloured crystalline ionic compound that is soluble in water. It is very toxic, along with other cadmium compounds.It extinguishing agent are water, dry powder, foam and carbon dioxide.