Cupric bromide supplier | CasNO.7789-45-9

Name
Cupric bromide
EINECS 232-167-2
CAS No. 7789-45-9
Article Data59
CAS DataBase
Density 4.77 g/mL at 25 °C(lit.)
Solubility soluble in water
Melting Point 498 °C(lit.)
Formula Br₂Cu
Boiling Point 900ºC
Molecular Weight 223.354
Flash Point 900°C
Transport Information UN 3260 8/PG 3
Appearance black crystalline powder
Safety 26-36/37/39-45-24/25
Risk Codes 22-34-36/37/38
Molecular Structure
Hazard Symbols C,Xi
Synonyms Copperdibromide;Copper(II) bromide;Copper bromide (CuBr2);
PSA 0.00000
LogP 1.68870

Synthetic route

: ammonium bromide

: copper(II) oxide

: 7789-45-9
copper(ll) bromide

Conditions

Conditions	Yield
In neat (no solvent) byproducts: Cu-oxide bromide; High Pressure; powdered mixture of the educts, high pressure, primary product;; detected in form of oxide bromide;
In neat (no solvent) byproducts: Cu-oxide bromide; High Pressure; powdered mixture of the educts, high pressure, primary product;; detected in form of oxide bromide;

: 7726-95-6
bromine

A: 7787-70-4
copper(I) bromide

B: 7789-45-9
copper(ll) bromide

Conditions

Conditions	Yield
In neat (no solvent) combustion of Cu with Br2, only small amounts of CuBr2;;
In neat (no solvent) combustion of Cu with Br2, only small amounts of CuBr2;;

: 7726-95-6
bromine

: 7789-45-9
copper(ll) bromide

Conditions

Conditions	Yield
In neat (no solvent) treatment of Cu-mirrors with Br2-vapors;;
With Cu-sulfide In neat (no solvent) on passing a stream of Br2/CO2 over Cu-sulfide in the heat;;
In neat (no solvent) treatment of Cu-mirrors with Br2-vapors;;
With Cu-sulfide In neat (no solvent) on passing a stream of Br2/CO2 over Cu-sulfide in the heat;;

: 7726-95-6
bromine

: 7787-70-4
copper(I) bromide

: 7789-45-9
copper(ll) bromide

Conditions

Conditions	Yield
In acetonitrile

: 7726-95-6
bromine

: copper(l) chloride

A: 7789-45-9
copper(ll) bromide

B: copper dichloride

Conditions

Conditions	Yield
In acetone on addn. of a soln. of Br2 in acetone;;

...Expand

: 10035-10-6, 12258-64-9
hydrogen bromide

: copper(II) oxide

: 7789-45-9
copper(ll) bromide

Conditions

Conditions	Yield
In hydrogen bromide dissolving CuO in aq. HBr, evapn. over H2SO4 in the air or in N2-gas of low pressure;;
In hydrogen bromide dissolving CuO in aq. HBr, evapn. over H2SO4;;
In hydrogen bromide dissolving CuO in aq. HBr, slow evapn.;;

: copper(II) ion

: 10097-32-2
bromide

: 7789-45-9
copper(ll) bromide

Conditions

Conditions	Yield
In water pptn. from aq. soln. of Cu(2+) and alkali bromide by addn. of excess concd. H2SO4;;
In water pptn. from aq. soln. of Cu(2+) and alkali bromide by addn. of excess concd. H2SO4;;

: 10035-10-6, 12258-64-9
hydrogen bromide

: 7758-99-8
copper(II) sulfate

: 7789-45-9
copper(ll) bromide

Conditions

Conditions	Yield
byproducts: SO2;

: 10035-10-6, 12258-64-9
hydrogen bromide

: copper dichloride

: 7789-45-9
copper(ll) bromide

Conditions

Conditions	Yield
In acetonitrile
In acetonitrile

: Cu(α-pic)2Br2

: 7789-45-9
copper(ll) bromide

Conditions

Conditions	Yield
In solid byproducts: α-picoline; heated up to 400 ° C, heating rate 5 °/min; gaseous phase).; monitored by TG, DTG, DTA;;

: 14361-69-4, 53991-58-5
bis(4-methylpyridine) copper(II) dibromide

: 7789-45-9
copper(ll) bromide

Conditions

Conditions	Yield
In neat (no solvent) sample heating up to 600 K; TG, DTG, DSC;

: 13873-38-6, 257890-26-9, 42568-68-3, 6845-04-1
bis(2-methylpyridine) copper(II) dibromide

: 7789-45-9
copper(ll) bromide

Conditions

Conditions	Yield
In neat (no solvent) sample heating up to 600 K; TG, DTG, DSC;

: tetra(3-methylpyridine) copper(II) bromide

: 7789-45-9
copper(ll) bromide

Conditions

Conditions	Yield
In neat (no solvent) byproducts: 3-methylpyridine; sample heating at 5 K/min in air flow up to 600 K; TG, DTG, DSC;

: 42568-70-7, 14361-57-0
bis(3-methylpyridine) copper(II) bromide

: 7789-45-9
copper(ll) bromide

Conditions

Conditions	Yield
In neat (no solvent) byproducts: 3-methylpyridine; sample heating at 5 K/min in air flow up to 600 K; TG, DTG, DSC;

: copper(II) perchlorate hexahydrate

: 7550-35-8
lithium bromide

A: copper(II) bromide

B: tribromocuprate

C: 14337-09-8
tetrabromocuprate

D: 7789-45-9
copper(ll) bromide

Conditions

Conditions	Yield
In methanol Monitored spectrophotometrically (200-400 and 600 to 1200 nm).;

...Expand

: copper(II) bromide*4H2O=Kupfer(II)-bromid*4H2O

A: 7732-18-5
water

B: 7789-45-9
copper(ll) bromide

Conditions

Conditions	Yield
In neat (no solvent) melts on slightly warming;;
In neat (no solvent) melts on slightly warming;;

: copper(II) bromide*4H2O=Kupfer(II)-bromid*4H2O

: 7789-45-9
copper(ll) bromide

Conditions

Conditions	Yield
In neat (no solvent) over concd. H2SO4M;
In neat (no solvent) over concd. H2SO4M;

: hydrogen bromo cuprate(II)

A: 10035-10-6, 12258-64-9
hydrogen bromide

B: 7789-45-9
copper(ll) bromide

Conditions

Conditions	Yield
In neat (no solvent) decompn. at ambient temp.;;
In neat (no solvent) decompn. at ambient temp.;;

: copper(II) monobromoacetate monohydrate

: 7789-45-9
copper(ll) bromide

Conditions

Conditions	Yield
In not given heating in water bath; color turns to brown;; ppt. on cooling;;

: copper(II) trihydroxide bromide

A: copper(II) oxide

B: 7789-45-9
copper(ll) bromide

Conditions

Conditions	Yield
In neat (no solvent) decompn. at 250°C,;
In neat (no solvent) decompn. at 240-250°C,;
In neat (no solvent) decompn. at 250°C,;
In neat (no solvent) decompn. at 240-250°C,;

: dicarbonyl(cyclopentadienyl)methyliron(II)

: 7789-45-9
copper(ll) bromide

A: dicarbonylcyclopentadienylbromoiron(II)

B: 7787-70-4
copper(I) bromide

Conditions

Conditions	Yield
In dichloromethane byproducts: MeBr; room temp. (N2); not isolated, detected spectroscopically;	A 81% B 100%

...Expand

: 31366-25-3
tetrathiafulvalene

: 7789-45-9
copper(ll) bromide

: 77662-00-1
C6H4S4(2+)*CuBr3(2-)

Conditions

Conditions	Yield
In acetonitrile To a soln. of CuBr2 in CH3CN was added dropwise with stirring a soln. of ligand in warm CH3CN;; ppt. was washed with CH3CN, vac.-dried; elem. anal.;;	100%

: 7732-18-5
water

: α,α-di-(4-pyridon-1-yl)-o-xylene

: 7789-45-9
copper(ll) bromide

: [[Cu(II)(N,N'-o-phenylenedimethylenebis(pyridin-4-one))Br2]*0.5H2O]n

Conditions

Conditions	Yield
In methanol soln. of Cu salt and ligand were mixed and stirred for 30 min; ppt. was collected, washed with MeOH, dried in vac.; elem. anal.;	100%

...Expand

: 161989-69-1
N,N'-1,2-ethylenebis(pyridin-2-thione)

: 7789-45-9
copper(ll) bromide

: 2Cu(1+)*2Br(1-)*(CH2C5H4(S)N)2=Cu2Br2((CH2C5H4(S)N)2)

Conditions

Conditions	Yield
In methanol; nitromethane; dichloromethane elem. anal.;	100%

: 64-17-5
ethanol

: 10E,13E-11,13-dimethyl-4H-dibenzo[g,n]naphthol[1,8-bc][1,5,9,13]tetraazacyclohexadecine-5,19(12H,20H)-dione

: 7789-45-9
copper(ll) bromide

: C29H25BrCuN4O3*0.5C2H6O

Conditions

Conditions	Yield
In acetone Reflux;	100%

...Expand

: 108-78-1
2,4,6-triamino-s-triazine

: 7789-45-9
copper(ll) bromide

: [Cu(II)Br2(melamine)2]*0.5H2O

Conditions

Conditions	Yield
In acetonitrile Cu compd. dissolved in Ar-degassed MeCN, melamine added, suspn. sealed in glass tube, heated with stirring to 100°C for 14 h; filtered, washed with MeCN and Et2O, dried in vac.; elem. anal.;	99.6%

: 98-96-4
pyrazinamide

: 7789-45-9
copper(ll) bromide

: di-μ2-bromidobis(pyrazinamide)copper(II)

Conditions

Conditions	Yield
In water at 20℃;	99.5%

: 553-26-4
4,4'-bipyridine

: 7789-45-9
copper(ll) bromide

: 113720-78-8
(3).infin.[CuBr(4,4'-bipyridine)]

Conditions

Conditions	Yield
In water molar ratio Cu:bipy:H2O=1:2:167, acid digestion bomb, 170°C, 7 d; washing (water, Me2CO), drying in air;	99%

: 1202-34-2
di(pyridin-2-yl)amine

: 7789-45-9
copper(ll) bromide

: Cu(2,2'-dipyridylamine)2Br2

Conditions

Conditions	Yield
In acetone stoich. amts. (pptn.); collection (filtration), washing (Me2CO), drying (vac.);	99%

: copper(II) choride dihydrate

: 107-15-3
ethylenediamine

: 7789-45-9
copper(ll) bromide

: CuClBr*2(H2NCH2CH2NH2)*H2O

Conditions

Conditions	Yield
In ethanol pptn. on addn. Et2O, sepn. (filtration), washing (Et2O); elem. anal.;	99%

...Expand

: 98507-06-3
2,5-dimethyl-N,N'-dicyanoquinone diimine

: 98507-35-8
(E,E)-N,N'-Dicyan-2,5-dimethoxy-1,4-benzochinondiimin

: 7789-45-9
copper(ll) bromide

: (N,N'-dicyano-2,5-dimethoxy-1,4-benzoquinonediimine)(N,N'-dicyano-2,5-dimethyl-1,4-benzoquinonediimine)copper

Conditions

Conditions	Yield
In acetonitrile Argon atmosphere, keeping a copper wire in a with Ar satd. soln. (2-4 d); washing (CH3CN and pentane), drying (silica gel); elem. anal.;	99%

...Expand

: 74662-54-7, 263147-04-2
bis-(1,2-diphenylethane-1,2-dione dihydrazone) nickel(II)

: 90-02-8
salicylaldehyde

: 7789-45-9
copper(ll) bromide

: Cu2Ni((C6H4OCHN2(C6H5)C)2)2Br2(H2O)4*1.5H2O

Conditions

Conditions	Yield
With NaOH In ethanol refluxing (2+1 h); cooling (room temp.), NaOH addn., pptn., filtration, washing (water, ethanol), drying; elem. anal.;	99%

...Expand

: 90-02-8
salicylaldehyde

: 7803-57-8
hydrazine hydrate

: 134-81-6
benzil

: 7789-45-9
copper(ll) bromide

: nickel dibromide

: Cu2Ni((C6H4OCHN2(C6H5)C)2)2Br2(H2O)4*1.5H2O

Conditions

Conditions	Yield
In ethanol refluxing (2+1+1 h); cooling (room temp.), NaOH addn., pptn., filtration, washing (ethanol), drying; elem. anal.;	99%

...Expand

: 111958-86-2
2-bromo-N,N'-dicyano-5-methyl-1,4-benzoquinonediimine

: 98507-22-3
2-chloro-N,N'-dicyano-5-methyl-1,4-benzoquinonediimine

: 7789-45-9
copper(ll) bromide

: (2-chloro-N,N'-dicyano-5-methyl-1,4-benzoquinonediimine)(2-bromo-N,N'-dicyano-5-methyl-1,4-benzoquinonediimine)copper

Conditions

Conditions	Yield
In acetonitrile Argon atmosphere, keeping a copper wire in a with Ar satd. soln. (2-4 d); washing (CH3CN and pentane), drying (silica gel); elem. anal.;	99%

...Expand

: 2127-03-9
2,2'-dipyridyldisulphide

: 7789-45-9
copper(ll) bromide

: [Cu(μ-Br)(μ-1-(2-pyridyl)pyridinium-2-thiolate)]n

Conditions

Conditions	Yield
With Ce(NH3)2(NO3)4 In methanol refluxing CuBr2, dpds, and Ce(NH3)2(NO3)4 in MeOH for 1 day; elem. anal.;	99%
In methanol byproducts: sulfur; react. CuBr2 and dpds in MeOH for several months; elem. anal.;	70%

: 64-17-5
ethanol

: 290312-25-3, 676593-94-5
pyridine-2-carboxamide thiosemicarbazide

: 7789-45-9
copper(ll) bromide

: [dibromo(2-pyridineformamide thiosemicarbazone)copper(II)]-ethanol-water (2/1/1)

Conditions

Conditions	Yield
In ethanol equimol., stirred for 7 d; ppt. filtered, washed (ethanol), dried (vac.); elem. anal., TGA;	99%

...Expand

: 89032-97-3
propargylammonium bromide

: 7789-45-9
copper(ll) bromide

: 380906-94-5
[HCCCH2NH3]CuBr2

Conditions

Conditions	Yield
With Cu In ethanol Electrochem. Process; alternating-current electroreduction of CuBr2 (3 mmol) at copper electrode in the presence of propargylammonium bromide (4 mmol) in ethanol; washing with ethanol, drying;	99%

: 626-55-1
3-Bromopyridine

: 7789-45-9
copper(ll) bromide

: 22980-94-5, 908368-87-6
trans-[CuBr2(3-bromopyridine)2]

Conditions

Conditions	Yield
In methanol	99%

: buta-1,3-diene-1,4-diylbis(triphenylphosphonium chloride)

: 7789-45-9
copper(ll) bromide

: 1,4-bis-(triphenylphosphino)buta-1,3-dienedichloride dibromocuprate

Conditions

Conditions	Yield
In methanol to soln. of phosphonium salt in MeOH soln. of CuBr2 in MeOH was added, stirred for 2 h, left for 24 h; evapd., washed with Et2O, dried in vac., elem. anal.;	99%

: 86671-55-8
1,4-bis-(tributylphosphonio)buta-1,3-diene dibromide

: 7789-45-9
copper(ll) bromide

: 1,4-bis-(tributylphosphino)buta-1,3-dienedibormocuprate

Conditions

Conditions	Yield
In methanol to soln. of phosphonium salt in MeOH soln. of CuBr2 in MeOH was added, stirred for 6 h, left for 24 h; evapd., washed with Et2O, elem. anal.;	99%

: 56613-80-0
(R)-Phenylglycinol

: 7789-45-9
copper(ll) bromide

: [Cu3((R)-2-amino-2-phenyl-ethanolate)4(μ-Br)2]

Conditions

Conditions	Yield
With triethylamine In methanol soln. of CuBr2 in MeOH added to soln. of (R)-2-phenylglycinol and Et3N in MeOH; ppt. filtered off, washed with MeOH and Et2O, dried in air; elem. anal.;	99%

: 35320-23-1
(R)-2-aminopropan-1-ol

: 7789-45-9
copper(ll) bromide

: [Cu3((R)-2-amino-propan-1-olate)4(μ-Br)2]

Conditions

Conditions	Yield
With triethylamine In methanol soln. of CuBr2 in MeOH added to soln. of (R)-2-amino-1-propanol and Et3Nin MeOH; ppt. filtered off, washed with MeOH and Et2O, dried in air; elem. anal.;	99%

: 141-43-5
ethanolamine

: 7789-45-9
copper(ll) bromide

: [Cu3(2-amino-ethanolate)4(μ-Br)2]

Conditions

Conditions	Yield
With triethylamine In methanol soln. of CuBr2 in MeOH added to soln. of 2-amino-ethanol and Et3N in MeOH; ppt. filtered off, washed with MeOH and Et2O, dried in air; elem. anal.;	99%
In methanol small glass vial with CuBr2 placed into bigger glass vial with 2-aminoethanol, both vials filled with MeOH, connection for diffusion through solvent established, stored for 2 weeks; crystals isolated;

: 5856-63-3
(2R)-2-aminobutan-1-ol

: 7789-45-9
copper(ll) bromide

: [Cu3((R)-2-amino-butan-1-olate)4(μ-Br)2]

Conditions

Conditions	Yield
With triethylamine In methanol soln. of CuBr2 in MeOH added to soln. of (R)-2-amino-1-butanol and Et3N in MeOH; ppt. filtered off, washed with MeOH and Et2O, dried in air; elem. anal.;	99%

: 1273-73-0
bromoferrocene

: 7789-45-9
copper(ll) bromide

: 1-azidoferrocene

Conditions

Conditions	Yield
With sodium azide In N,N-dimethyl-formamide	98%
With NaN3 In N,N-dimethyl-formamide	98%

: 111958-85-1
N,N'-dicyano-2-iodo-5-methyl-1,4-benzoquinonediimine

: 111958-81-7
N,N'-dicyano-2-methoxy-5-methyl-1,4-benzoquinonediimine

: 7789-45-9
copper(ll) bromide

: Cu(N,N'-dicyano-2-methoxy-5-methyl-1,4-benzoquinonediimine)1.2(N,N'-dicyano-2-iodo-5-methyl-1,4-benzoquinonediimine)0.8

Conditions

Conditions	Yield
In acetonitrile Argon atmosphere, keeping a copper wire in a with Ar satd. soln. (2-4 d); washing (CH3CN and pentane), drying (silica gel); elem. anal.;	98%

...Expand

: C27H19N5O2

: 7732-18-5
water

: 7789-45-9
copper(ll) bromide

: C27H25BrCuN5O5(1+)*3H2O*Br(1-)

Conditions

Conditions	Yield
In ethanol for 12h; Reflux;	98%

...Expand

: C20H27BrNNiP

: 7789-45-9
copper(ll) bromide

: C20H27Br2NNiP

Conditions

Conditions	Yield
In dichloromethane at 20℃; for 1h;	98%

: 598-52-7
1-(methyl)-thiourea

: 107-15-3
ethylenediamine

: 7789-45-9
copper(ll) bromide

: 2CuBr2*3(ethylenediamine)*2(N-methylthiourea)

Conditions

Conditions	Yield
In ethanol soln. of ligands in EtOH (ice-cooled), addn. of soln. of CuBr2 in EtOH, pptn., stirring (1 h); sepn. (filtration), washing (EtOH, Et2O); elem. anal.;	97%

...Expand

: ammonium hexafluorophosphate

: 7789-45-9
copper(ll) bromide

: 234441-03-3, 130326-01-1
((C5H4N)2)2CuBr(1+)*PF6(1-)={(C10H8N2)2CuBr}PF6

Conditions

Conditions	Yield
With 2,2'-bipyridine In water addn. of bpy to a boiling CuBr2 soln. (intensification of the blue color), addn. of NH4PF6 soln., pptn.; filtered, washed (H2O, EtOH);	97%

Cupric bromide Specification

This chemical is called Copper(II) bromide, and its CAS registry number is 7789-45-9. With the molecular formula of Br₂Cu, its product category is Inorganics. In addition, this chemical should be sealed in the cool and dry place, away from oxides, alkali metal and water. It's used as catalysts.

Other characteristics of the Copper(II) bromide can be summarised as followings: (1)H-Bond Donor: 0; (2)H-Bond Acceptor: 0; (3)Rotatable Bond Count: 0; (4)Exact Mass: 222.76423; (5)MonoIsotopic Mass: 220.766276; (6)Topological Polar Surface Area: 0; (7)Heavy Atom Count: 3; (8)Formal Charge: 0; (9)Complexity: 2.8; (10)Isotope Atom Count: 0; (11)Undefined Bond StereoCenter Count: 0; (12)Covalently-Bonded Unit Count: 1.

production method of this chemcial: Take the Copper oxide, dissolve it in heat Hydrobromic acid (avoid boiling). Filtration through the glass filters. Placed the filtrate on the sulfuric acid, then getting vacuum concentration. Finally, cure the target product.

When you are using this chemical, please be cautious about it as the following: This chemical is irritating to eyes, respiratory system and skin. It causes burns. You should wear suitable protective clothing to avoid contacting with skin and eyes. In case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
1.InChI: InChI=1/2BrH.Cu/h2*1H;/q;;+2/p-2/rBr2Cu/c1-3-2
2.Smiles: [Cu](Br)Br

Product Name

Cupric bromide

Synthetic route

Cupric bromide Specification

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