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Cupric bromide

Description Chemical Properties Uses Preparation References
Cupric bromide
Cupric bromide structure
CAS No.
7789-45-9
Chemical Name:
Cupric bromide
Synonyms
Dibromocopper;COPPER BROMIDE;CUPRIC BROMIDE;copperdibromide;Copper(Ⅱ) bromide;Copperic bromide ;COPPER(+2)BROMIDE;Brominated ketone;brominating agent;COPPER(II) BROMIDE
CBNumber:
CB9307690
Molecular Formula:
Br2Cu
Formula Weight:
223.35
MOL File:
7789-45-9.mol

Cupric bromide Properties

Melting point:
498 °C(lit.)
Boiling point:
900 °C
Density 
4.77 g/mL at 25 °C(lit.)
Flash point:
900°C
storage temp. 
Store below +30°C.
solubility 
1200g/l
form 
Crystalline Powder
Specific Gravity
4.77
color 
Gray-blue
Water Solubility 
soluble
Sensitive 
Hygroscopic
Merck 
14,2629
Stability:
Stable. Incompatible with alkali metals, moisture. Reacts violently with potassium.
CAS DataBase Reference
7789-45-9(CAS DataBase Reference)
FDA UNII
1KC430K0ZN
NIST Chemistry Reference
copper(II) dibromide(7789-45-9)
EPA Substance Registry System
Copper bromide (CuBr2) (7789-45-9)
SAFETY
  • Risk and Safety Statements
Symbol(GHS) 
GHS05,GHS07,GHS09
Signal word  Danger
Hazard statements  H302-H314-H318-H400-H410
Precautionary statements  P280-P305+P351+P338-P310-P260h-P301+P330+P331-P303+P361+P353-P405-P501a
Hazard Codes  C,Xi
Risk Statements  22-34-36/37/38
Safety Statements  26-36/37/39-45-24/25
RIDADR  UN 3260 8/PG 3
WGK Germany  3
TSCA  Yes
HS Code  2827 59 00
HazardClass  8
PackingGroup  III
Toxicity LD50 orally in Rabbit: 536 mg/kg

Cupric bromide price More Price(16)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 8.14658 Copper(II) bromide for synthesis 7789-45-9 50 g $28.58 2021-03-22 Buy
Sigma-Aldrich 221775 Copper(II) bromide 99% 7789-45-9 5g $54.1 2021-03-22 Buy
Sigma-Aldrich 8.14658 Copper(II) bromide for synthesis 7789-45-9 250 g $73.44 2021-03-22 Buy
Sigma-Aldrich 221775 Copper(II) bromide 99% 7789-45-9 100g $85.8 2021-03-22 Buy
Alfa Aesar 014258 Copper(II) bromide, Reagent Grade, Cu 28.1% min 7789-45-9 500g $148 2021-03-22 Buy

Cupric bromide Chemical Properties,Uses,Production

Description

Cupric bromide is a kind of inorganic compound obtained through the reaction between copper oxide and hydrobromic acid. It can be used in laser, generating pulse yellow and green light. The cupric bromide laser is an important technology used in dermatology for the treatment of pigmented lesion and vascular lesions. It can also be used in living radical polymerization and as an intensifier in photographic processing. It is also a brominating agent used in organic synthesis. In addition, it is a kind of highly efficient catalyst in the direct alkynylation of azoles.

Chemical Properties

Copper(II) bromide, CuBr2, [7789-45-9], MW 223.36, MP 498°C, d 4.77, is a black, deliquescent, monoclinic, crystalline material that obtains from warm aqueous solution. At temperatures below 29°C, the green tetrahydrate is produced. Copper(II) bromide is very soluble in water and soluble in alcohol and acetone.

Uses

Copper(II) bromide is used as a catalyst in organic reactions, as an intensifier in photography, and as a brominating agent.

Preparation

Copper(II) bromide is most easily prepared by neutralization of copper(II) oxide, carbonate, or hydroxide with hydrobromic acid. It can also be produced by oxidation of copper metal with bromine water or by reaction of bromine solutions in alcohol with copper powder.

References

Shen, Youqing, Shiping Zhu, and Robert Pelton. Macromolecules 34.10 (2001): 3182-3185.
Rothfleisch, Jeremy E., et al. Dermatologic clinics 20.1 (2002): 1- 18.
Huang, Jianhui, Simon JF Macdonald, and Joseph PA Harrity. Chemical Communications 4 (2009): 436-438.
Besselièvre, François, and Sandrine Piguel. Angewandte Chemie International Edition 48.50 (2009): 9553-9556.

Chemical Properties

Black crystal

Uses

As intensifier in photography; as brominating agent in organic synthesis; as humidity indicator; as wood preservative; in solid-electrolyte battery; as stabilizer for acetylated polyformaldehyde.

General Description

Odorless black solid. Sinks and mixes with water.

Air & Water Reactions

Deliquescent. Water soluble.

Reactivity Profile

Acidic inorganic salts, such as Cupric bromide, are generally soluble in water. The resulting solutions contain moderate concentrations of hydrogen ions and have pH's of less than 7.0. They react as acids to neutralize bases. These neutralizations generate heat, but less or far less than is generated by neutralization of inorganic acids, inorganic oxoacids, and carboxylic acid. They usually do not react as either oxidizing agents or reducing agents but such behavior is not impossible. Many of these compounds catalyze organic reactions.

Health Hazard

Inhalation of dust causes irritation of throat and lungs. Ingestion of large amounts causes violent vomiting and purging, intense pain, collapse, coma, convulsions, and paralysis. Contact with solutions causes eye irritation; contact with solid causes severe eye surface injury and skin irritation.

Fire Hazard

Special Hazards of Combustion Products: Irritating hydrogen bromide gas may form in fire.

Purification Methods

Crystallise it twice by dissolving it in water (140mL/g), filtering to remove any Cu2Br2, and concentrating under vacuum at 30o until crystals appear. The cupric bromide is then allowed to crystallise by leaving the solution in a vacuum desiccator containing P2O5 [Hope et al. J Chem Soc 5226 1960, Glemser & Sauer in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol II p 1009 1965].

Cupric bromide Preparation Products And Raw materials

Raw materials

Preparation Products


Cupric bromide Suppliers

Global( 271)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Shanghai Bojing Chemical Co.,Ltd.
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View Lastest Price from Cupric bromide manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2021-10-19 Cupric bromide
7789-45-9
US $10.00 / KG 1KG 99% 20 tons Hebei Zhanyao Biotechnology Co. Ltd
2021-08-02 Cupric bromide; Copper(II) bromide
7789-45-9
US $10.00 / KG 1KG 99% 10tons Xingtai Haoxun Import and Export Trade Co., Ltd.
2021-07-13 Cupric bromide
7789-45-9
US $15.00-10.00 / KG 1KG 99%+ HPLC Monthly supply of 1 ton Zhuozhou Wenxi import and Export Co., Ltd

Cupric bromide Spectrum


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