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inquiryAbout Product Details Properties white crystalline powder. Becaome lighter color on exposure to the air.. Molecular formula CuBr Molecular weight 143.45 Quality Index
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inquiryProduct Description Product website: http://www.finerchem.com Product Name Cuprous bromide CAS No. 7787-70-4
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inquiryHigh purity CAS 7787-70-4 Cuprous bromide in stock Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED intermediates (Fluorene,C
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inquiryProduct name Cuprous bromide CAS NO. 7787-70-4 Molecular formula CuBr Quality standard
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inquiryProduct name: Cuprous Bromide CAS No.:7787-70-4 Molecule Formula:CuBr Molecule Weight:143.45 Purity: 99.5% Package: 25kg/bag Description:White crystalline powder Manufacture Standards:Enterprise Standard TESTING IT
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inquiryConditions | Yield |
---|---|
In dichloromethane byproducts: MeBr; room temp. (N2); not isolated, detected spectroscopically; | A 81% B 100% |
Conditions | Yield |
---|---|
With sodium sulfite In water for 0.416667h; | 96% |
Stage #1: copper(ll) bromide With sodium sulfite In water at 20℃; for 0.25h; Stage #2: With hydrogenchloride; sodium sulfite In water for 0.166667h; | 91% |
In neat (no solvent) on annealing;; |
Conditions | Yield |
---|---|
In dichloromethane byproducts: n-BuBr; room temp. (N2); not isolated, detected spectroscopically; | A 74% B 92% |
Conditions | Yield |
---|---|
In dichloromethane byproducts: PhCH2Cl; room temp.(N2); not isolated, detected spectroscopically; | A 66% B 89% |
Conditions | Yield |
---|---|
In dichloromethane byproducts: Me3CCh2CH2Br; room temp. (N2); not isolated, detected spectroscopically; | A 87% B 87% |
Conditions | Yield |
---|---|
In dichloromethane byproducts: PhCH2CH2Br; room temp.(N2); not isolated, detected spectroscopically; | A 74% B 85% |
Conditions | Yield |
---|---|
In dichloromethane byproducts: EtBr; room temp.(N2); not isolated, detected spectroscopically; | A 83% B 80% |
Conditions | Yield |
---|---|
In dichloromethane byproducts: s-BuBr; room temp.(N2); not isolated, detected spectroscopically; | A 67% B 83% |
(η5-C5H5)Fe(CO)2(threo-PhCHDCHD)
copper(ll) bromide
B
copper(I) bromide
Conditions | Yield |
---|---|
In dichloromethane byproducts: PhCHDCHDBr; room temp.(N2); not isolated, detected spectroscopically; | A 74% B 82% |
copper OO-diethyl thiophosphate
propargyl bromide
A
O,O-Diethyl S-propargyl thiophosphate
B
copper(I) bromide
Conditions | Yield |
---|---|
In toluene addn. of propargyl halide to Cu(I) thiophosphate in toluene, 20°C, heating to 50°C, 2 h; sepg. CuBr ppt., evapn. of solvent, extg. residue with hexane, evapn. of solvent, chromy. (silica, benzene-ether); | A 80% B n/a |
Conditions | Yield |
---|---|
In dichloromethane byproducts: PhCH2CH2Br; room temp.(N2); not isolated, detected spectroscopically; | A 68% B 74% |
1-bromohex-2-yne
copper OO-diethyl thiophosphate
A
O,O-Diethyl S-(2-hexynyl) thiophosphate
B
copper(I) bromide
Conditions | Yield |
---|---|
In toluene addn. of propargyl halide to Cu(I) thiophosphate in toluene, 20°C, heating to 50°C, 2 h; sepg. CuBr ppt., evapn. of solvent, extg. residue with hexane, evapn. of solvent, chromy. (silica, benzene-ether); elem. anal.; | A 68% B n/a |
Conditions | Yield |
---|---|
In dichloromethane byproducts: PhCH2Cl, (PhCH2)2; 23°C (N2); not isolated, detected spectroscopically; | A 63% B 64% |
Conditions | Yield |
---|---|
In dichloromethane byproducts: Me3CH2CO2H; room temp.(N2); not isolated, detected spectroscopically; | A 13% B 58% |
Conditions | Yield |
---|---|
byproducts: 1 equivalent bromine; decomposition at 270°C; | A 50.2% B n/a |
carbon monoxide
copper
A
tetracarbonyl nickel
B
copper(I) bromide
Conditions | Yield |
---|---|
In neat (no solvent) High Pressure; | A 1% B n/a |
With silver In neat (no solvent) High Pressure; |
Conditions | Yield |
---|---|
Stage #1: copper(II) sulfate; sodium bromide In water Stage #2: With sodium sulfite In water Stage #3: With hydrogen bromide In hexane | |
With sulfur dioxide In water introduction of SO2 in a soln. of 20g CuSO4 and 8g NaBr in 300ml H2O, crystn.;; washing with aq. SO2, drying on clay or in vac. over KOH;; | |
With sodium sulfite In sodium hydroxide byproducts: Na2SO4; reduction, dild. warm CuBr2-soln.;; |
Conditions | Yield |
---|---|
With NaHSO3 In water aq. NaHSO3 added slowly to hot aq. soln. of CuSO4 and NaBr, cooled to room temp.; decanted, washed with water contg. sulphurous acid; |
iodine
copper(ll) bromide
A
copper(l) iodide
B
copper(I) bromide
Conditions | Yield |
---|---|
In ethanol Kinetics; reaction of alcoholic soln. of iodine with CuBr2 at 60°C; X-ray diffraction; |
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;; |
bromine
copper
potassium bromide
copper(I) bromide
Conditions | Yield |
---|---|
In water Kinetics; at the surface;; | |
In water Kinetics; at the surface;; |
bromine
copper
copper(I) bromide
Conditions | Yield |
---|---|
In neat (no solvent) at ambient temp. using a special Cu modification (prepared by reduction at 200°C);; | |
at red heat; | |
With KCl or CuBr2 or FeBr2 In water on immersing in Br2-containing solns. of KBr, CuBr2 or FeBr2, formation of a coating;; |
bromine
copper
A
bromine
B
copper(I) bromide
Conditions | Yield |
---|---|
300-340 K, total pressure E-3 Torr; monitored by laser-induced fluorescence spectroscopy; |
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) Kinetics; HgBrI placed over CuI, heated at 64-104°C; analysed by X-ray diffraction; |
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) CuI and HgBrI (molar ratio 4:1 and 3:1) mixed, maintained in air at 30°C for 48 h; analysed by X-ray diffraction; |
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) CuI and HgBrI (molar ratio 1:2) mixed, maintained in air at 30°Cfor 48 h; analysed by X-ray diffraction; |
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) CuI and HgBrI (molar ratio 4:1, 3:1 and 1:2) mixed, heated in air at 120°C for 48 h, cooled to 30°C; analysed by X-ray diffraction; |
copper
A
silver
B
copper(I) bromide
Conditions | Yield |
---|---|
In neat (no solvent) | |
at 300°C;; | |
equilibrium; at heating to 1000°C;; |
Conditions | Yield |
---|---|
With N,N,N,N,N,N-hexamethylphosphoric triamide In tetrahydrofuran; diethyl ether under N2, etheral soln. of MeLi was added to a stirred suspn. of CuBr in THF at -10°C, HMPT was also added, stirred for 30 min at 0°C; not isolated; | 100% |
copper(I) bromide
Conditions | Yield |
---|---|
With N,N,N,N,N,N-hexamethylphosphoric triamide; methylmagnesium bromide In tetrahydrofuran under N2, soln. of MeMgBr was added to a stirred suspn. of CuBr at -10°C, HMPT was also added, stirred for 30 min at 0°C; not isolated; | 100% |
methylmagnesium bromide
copper(I) bromide
phosphorous acid trimethyl ester
Conditions | Yield |
---|---|
In tetrahydrofuran under N2, MeMgBr reacted with CuBr, P(OMe)3 was added, stirred for 30 min at 0°C; not isolated; | 100% |
Conditions | Yield |
---|---|
In acetonitrile High Pressure; react. CuBr and pyridazine in MeCN at 120°C for 3 day; react. mixt. was cooled to room temp. for 1 day; | 100% |
Conditions | Yield |
---|---|
In ethanol | 100% |
Conditions | Yield |
---|---|
In dichloromethane; acetonitrile at -60 - 20℃; | 100% |
12-methylene-1,10-dioxa-4,7-dithiacyclotridecane
copper(I) bromide
C10H18O2S2*Cu(1+)*Br(1-)
Conditions | Yield |
---|---|
In dichloromethane; acetonitrile at -60 - 20℃; | 100% |
copper(I) bromide
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 2h; Inert atmosphere; | 100% |
2,2,6,6-tetramethyl-piperidine-N-oxyl
copper(I) bromide
6-(hydroxymethyl)-2-naphthol
6-hydroxynaphthalene-2-carbaldehyde
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide | 99.8% |
Conditions | Yield |
---|---|
In tetrahydrofuran (Ar); addn. of cyclooctyne to copper salt in THF, stirring at 20 °C for 1 h; filtration, evapn., crystn. (cyclopentane); elem. anal.; | 99% |
Conditions | Yield |
---|---|
In hydrogen bromide aq. HBr; equimolar amts. of compds. filled in glass ampoule, overlayered with concd. aq. HBr, sealed (frozen with liq. N2) in vac., heated in autoclave at 670 K for 24 h; cooled to room temp. (8 K/h); | 99% |
In neat (no solvent, solid phase) mixt. of HgS and CuBr was heated at approx. 573 K for 2 wk in evacuated Pyrex tube; |
Conditions | Yield |
---|---|
In dichloromethane (N2); addn. of 2 equivs. of CuBr to a soln. of platinum complex in CH2Cl2, stirring for 12 h at 25°C; filtration through Kieselgur, evapn.; elem. anal.; | 99% |
copper(I) bromide
(C5H4N-2-Se)tBu2P
[(((C5H4N-2-Se)tBu2P)-N,P,)Cu(μ-Br)]2
Conditions | Yield |
---|---|
In acetonitrile all manipulations under N2; soln.of metal compd. added to soln. of S compd., stirred for 3 h at room temp. in dark; solvent removed in vac., crystd. from CH2Cl2 by layering with hexanes, elem. anal.; | 99% |
copper(I) bromide
Cu3(Br)(C6H4(CH2N(CH3)CH2CH2N(CH3)2))2
Conditions | Yield |
---|---|
In diethyl ether N2-atmosphere; stirring (room temp., 2 h); evapn. (vac.), extg. (C6H6), evapn. (vac.), washing (pentane); | 99% |
Conditions | Yield |
---|---|
In dichloromethane piperidine was dissolved in CH2Cl2 under N2 at 25°C; CuBr was added; mixt. was stirred under N2 until CuBr dissolved; | 99% |
In dichloromethane Inert atmosphere; |
Conditions | Yield |
---|---|
In dichloromethane piperidine was dissolved in CH2Cl2 under N2 at 25°C; CuBr was added; mixt. was stirred under N2 until CuBr dissolved; | 99% |
dichloromethane
1,2,4,5-tetrakis(pyridyl-2-thio)-p-xylene
copper(I) bromide
Conditions | Yield |
---|---|
In methanol stirring 2:1 mixt. of copper compd. and pyridine deriv. in methanol for 1 d; filtration, washing with acetone, recrystn. by slow diffusion of methanol into CH2Cl2 soln., elem. anal.; | 99% |
1,4-pyrazine
methanol
bis-diphenylphosphinomethane
copper(I) bromide
Conditions | Yield |
---|---|
In dichloromethane mixt. of CuBr, C4H4N2 and (Ph2P)2CH2 (1:2:1 molar ratio) in CH2Cl2 stirred (6 h, ambient temp.); elem. anal.; | 99% |
Conditions | Yield |
---|---|
In neat (no solvent) CuBr dissolved in divinyltetramethyldisiloxane; crystd. for 1 d, elem. anal.; | 99% |
2-phenylaziridine
copper(I) bromide
bis[μ2-bromido-bis(2-phenylaziridine)copper(I)]
Conditions | Yield |
---|---|
In dichloromethane (Ar); aziridine was added to suspn. of CuBr in CH2Cl2, stirred for 15 min at room temp.; evapd. in vac., stirred with hexane overnight, decanted, dried in vac., elem. anal.; | 99% |
2,6-bis[1-phenyl-2-(2,4,6-tri-tert-butylphenyl)-2-phosphaethenyl]pyridine
copper(I) bromide
(2,6-bis[1-phenyl-2-(2,4,6-tri-tert-butylphenyl)-2-phosphaethynyl]pyridine)copper(I) bromide
Conditions | Yield |
---|---|
In toluene stoich., ligand added to CuBr in toluene at 90°C; | 99% |
Conditions | Yield |
---|---|
In chloroform at 20℃; for 1h; | 99% |
Conditions | Yield |
---|---|
In chloroform; acetonitrile copper salt and phosphine (1:1) dissolved in CHCl3 at 25°C, slight excess ligand in CH3CN added, pptd on stirring; filtered off, washed (Et2O), dried (vac.), elem. anal.; | 98% |
In acetonitrile addn. of ligand to a soln. of copper salt and phosphine in acetonitrile,standing for 2 wk; elem. anal.; | 25% |
copper(I) bromide
Conditions | Yield |
---|---|
In dichloromethane CuBr was added to soln. of ligand in CH2Cl2, stirred for 2 h at room temp. under N2; solvent was removed in vac., chromd. on silica gel with benzene-dioxane;elem. anal.; | 98% |
(pentamethylcyclopentadienyl)2[(Me)NNN(adamantyl)-κ2N,N(1,3)]UMe
copper(I) bromide
(pentamethylcyclopentadienyl)2[(Me)NNN(adamantyl)-κ2N,N(1,3)]UBr
Conditions | Yield |
---|---|
In toluene byproducts: copper, methane; (Ar); using Schlenk techniques; addn. of CuBr to stirred soln. of U(C5Me5)2(Me)((methyl)N3(adamantyl)) in toluene for 13 h at room temp.; centrifugation, removal of solvent under vac.; elem. anal.; | 98% |
Conditions | Yield |
---|---|
In dichloromethane; acetonitrile prepn. by layering soln. of CuBr and CuI in ratio 1:1 in MeCN over soln.of macrocycling ligand in CH2Cl2; crystals were isolated after 12 h; elem. anal.; | 98% |
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 1h; Inert atmosphere; Schlenk technique; | 98% |
Conditions | Yield |
---|---|
In chloroform at 20℃; for 1h; | 98% |
copper(I) bromide
Conditions | Yield |
---|---|
In acetonitrile at 20℃; | 97.9% |
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