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624-28-2

Basic Information
CAS No.: 624-28-2
Name: 2,5-Dibromopyridine
Molecular Structure:
Molecular Structure of 624-28-2 (2,5-Dibromopyridine)
Formula: C5H3Br2N
Molecular Weight: 236.89
Synonyms: Pyridine, 2,5-dibromo-;2,5-Dibromo Pyridine;
EINECS: 210-839-6
Density: 2.059 g/cm3
Melting Point: 92-95 °C(lit.)
Boiling Point: 235.7 °C at 760 mmHg
Flash Point: 96.4 °C
Solubility: insoluble in water
Appearance: Off-white crystals
Hazard Symbols: HarmfulXn, IrritantXi
Risk Codes: 36/37/38-20/21/22
Safety: 26-37/39-36/37/39-36
Transport Information:
PSA: 12.89000
LogP: 2.60660
Synthetic route
13466-38-1

5-bromopyridin-2-ol

624-28-2

2,5-dibromopyridine

Conditions
ConditionsYield
With triphenylborane; phosphorus tribromide In 1,2-dichloro-ethane for 10h; Reagent/catalyst; Solvent; Inert atmosphere; Reflux;88.7%
With phosphorus(V) oxybromide In acetonitrile at 80℃; for 21h; Reagent/catalyst; Temperature;470 mg
1072-97-5

5-bromo-2-pyridylamine

624-28-2

2,5-dibromopyridine

Conditions
ConditionsYield
Stage #1: 5-bromo-2-pyridylamine With hydrogen bromide; bromine In water at 0 - 20℃; for 0.166667h;
Stage #2: With sodium nitrite In water at 0 - 5℃; for 0.5h;
87%
With tert.-butylnitrite; trimethylbenzylammonium bromide; 1,2-dibromomethane at 20℃;83%
With tert.-butylnitrite; trimethylbenzylammonium bromide In 1,2-dibromomethane at 20℃;83%
109-04-6

2-bromo-pyridine

A

624-28-2

2,5-dibromopyridine

B

75806-85-8

2,3,5-tribromopyridine

Conditions
ConditionsYield
With bromine at 300℃; Leiten ueber mit Eisen(II)-bromid impraegnierten Bimsstein;
626-55-1

3-Bromopyridine

A

624-28-2

2,5-dibromopyridine

B

2402-92-8

2,3,6-tribromopyridine

Conditions
ConditionsYield
With bromine at 500℃; Leiten ueber Bimsstein;
694-85-9

1-methyl-2-pyridone

7789-69-7

phosphorus pentabromide

624-28-2

2,5-dibromopyridine

Conditions
ConditionsYield
at 140 - 150℃;
diazotized 5-bromo-2-amino-pyridine

diazotized 5-bromo-2-amino-pyridine

624-28-2

2,5-dibromopyridine

Conditions
ConditionsYield
With hydrogen bromide
N-methyl-α-pyridone

N-methyl-α-pyridone

A

109-04-6

2-bromo-pyridine

B

624-28-2

2,5-dibromopyridine

Conditions
ConditionsYield
With phosphorus pentabromide; phosphorus(V) oxybromide at 120 - 130℃;
With phosphorus pentabromide at 140 - 150℃;
626-55-1

3-Bromopyridine

7726-95-6

bromine

pumice stone

pumice stone

A

624-28-2

2,5-dibromopyridine

B

2402-92-8

2,3,6-tribromopyridine

Conditions
ConditionsYield
at 500℃;
109-04-6

2-bromo-pyridine

7726-95-6

bromine

iron (II)-bromide

iron (II)-bromide

A

624-28-2

2,5-dibromopyridine

B

75806-85-8

2,3,5-tribromopyridine

Conditions
ConditionsYield
at 300℃;
504-29-0

2-aminopyridine

624-28-2

2,5-dibromopyridine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: ethanol; bromine / <20
2: bromine; aqueous hydrobromic acid / anschliessend Behandeln mit wss. Natriumnitrit-Loesung unterhalb von 0grad
View Scheme
Multi-step reaction with 2 steps
1: N-Bromosuccinimide; ammonium acetate / acetonitrile / 0.08 h / 20 °C
2: tert.-butylnitrite; trimethylbenzylammonium bromide; 1,2-dibromomethane / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: N-Bromosuccinimide; ammonium acetate / acetonitrile / 0.08 h / 20 °C
2: tert.-butylnitrite; trimethylbenzylammonium bromide / 1,2-dibromomethane / 20 °C
View Scheme
96136-88-8

6-hydroxy-4-methoxymethyl-β-carboline-3-carboxylic acid ethyl ester

A

624-28-2

2,5-dibromopyridine

B

111110-50-0

6-(5-bromo-2-pyridyloxy)-4-methoxymethyl-β-carboline-3-carboxylic acid ethyl ester

109-83-1

(2-hydroxyethyl)(methyl)amine

624-28-2

2,5-dibromopyridine

149806-47-3

2-[(5-bromopyridin-2-yl)methylamino]ethanol

Conditions
ConditionsYield
at 150℃; for 18h;100%
potassium fluoride on basic alumina for 0.25h; microwave irradiation;86%
624-28-2

2,5-dibromopyridine

Na(1+)*((CH3)3SiCC)4Al(1-)

111770-80-0

3-bromo-6-(trimethylsilylethynyl)pyridine

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride for 12h; Heating;100%
624-28-2

2,5-dibromopyridine

dimethyl(hept-1-yn-1-yl)aluminum

2,5-di-hept-1-ynyl-pyridine

Conditions
ConditionsYield
With tris(dibenzylideneacetone)dipalladium(0) chloroform complex; 1,1'-bis-(diphenylphosphino)ferrocene In 1,2-dimethoxyethane; n-heptane at 85℃; for 1h;100%
624-28-2

2,5-dibromopyridine

690264-82-5

[1-(5-bromo-pyridin-2-yl)-pyrrolidin-3-yl]-dimethyl-amine

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In N,N-dimethyl-formamide at 250℃; for 0.5h; Microwave irradiation;100%
With toluene-4-sulfonic acid In water at 140℃; for 14h;96%
With toluene-4-sulfonic acid at 130℃;
624-28-2

2,5-dibromopyridine

95-77-2

3,4-dichlorophenol

99902-96-2

5-bromo-2-(3,4-dichloro-phenoxy)-pyridine

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 18h;100%
624-28-2

2,5-dibromopyridine

86318-61-8

(tert-butyldimethylsilyl)acetylene

866929-82-0

2-(tert-butyldimethylsilylethynyl)-5-bromopyridine

Conditions
ConditionsYield
With triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In tetrahydrofuran at -7 - 20℃; for 4h;100%
With triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; N,N`-dimethylethylenediamine In tetrahydrofuran at -7 - 20℃; for 4h;100%
With triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In tetrahydrofuran at -7 - 20℃; for 4h;100%
624-28-2

2,5-dibromopyridine

203861-73-8

cyclopropylzinc chloride

579475-29-9

3-bromo-6-(cyclopropyl)pyridine

Conditions
ConditionsYield
tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran at 70℃; for 3h;100%
tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran at 70℃; for 1.5h;
624-28-2

2,5-dibromopyridine

87290-98-0

(3,3-dimethylbut-1-yn-1-yl)dimethylsilane

866929-82-0

2-(tert-butyldimethylsilylethynyl)-5-bromopyridine

Conditions
ConditionsYield
With triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In tetrahydrofuran at -7 - 20℃; for 4h;100%
624-28-2

2,5-dibromopyridine

127-19-5

N,N-dimethyl acetamide

214701-49-2

1-(5-bromopyridin-2-yl)ethanone

Conditions
ConditionsYield
With n-butyllithium In hexane; toluene at -40 - 20℃; for 2h; Inert atmosphere;100%
Stage #1: 2,5-dibromopyridine With n-butyllithium In hexane; toluene at -40℃; for 0.666667h;
Stage #2: N,N-dimethyl acetamide In hexane; toluene at 20℃; for 1h; Further stages.;
83%
Stage #1: 2,5-dibromopyridine With n-butyllithium In toluene Inert atmosphere;
Stage #2: N,N-dimethyl acetamide In toluene Inert atmosphere;
83%
624-28-2

2,5-dibromopyridine

74-89-5

methylamine

84539-30-0

5-bromo-N-methylpyridin-2-amine

Conditions
ConditionsYield
In ethanol at 80℃; for 24h;100%
In ethanol at 80℃; for 72h;1.20 g
In methanol Autoclave; Large scale;
624-28-2

2,5-dibromopyridine

91419-52-2

1-tert-butoxycarbonyl-4-cyanopiperidine

1196973-42-8

tert-butyl 4-(5-bromopyridin-2-yl)-4-cyanopiperidine-1-carboxylate

Conditions
ConditionsYield
With lithium hexamethyldisilazane In toluene at 20℃; for 16h; Inert atmosphere;100%
624-28-2

2,5-dibromopyridine

372-20-3

3-fluorophenol

936343-48-5

5-bromo-2-(3-fluorophenoxy)pyridine

Conditions
ConditionsYield
Stage #1: 3-fluorophenol With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.166667h;
Stage #2: 2,5-dibromopyridine In N,N-dimethyl-formamide at 0 - 110℃; for 7.75h;
100%
With potassium carbonate In N,N-dimethyl-formamide for 12h; Reflux; Large scale;85%
110-91-8

morpholine

624-28-2

2,5-dibromopyridine

200064-11-5

5-bromo-2-(4-morpholinyl)pyridine

Conditions
ConditionsYield
With 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; sodium t-butanolate; tris(dibenzylideneacetone)dipalladium (0) In toluene at 100℃; for 3h;99%
at 120℃; for 1.66667h; microwave;99.7%
With potassium fluoride on basic alumina; dichlorobis(tri-O-tolylphosphine)palladium at 90 - 100℃; for 5h;92%
624-28-2

2,5-dibromopyridine

100-51-6

benzyl alcohol

83664-33-9

2-(benzyloxy)-5-bromopyridine

Conditions
ConditionsYield
With dibenzo-18-crown-6 In toluene for 3h; Heating;99%
Stage #1: benzyl alcohol With sodium hydride In N,N-dimethyl-formamide; mineral oil at 20℃; for 0.5h; Cooling with ice;
Stage #2: 2,5-dibromopyridine In N,N-dimethyl-formamide; mineral oil for 5h;
Stage #3: With acetic acid In N,N-dimethyl-formamide; mineral oil at 0℃; for 0.5h;
99%
With potassium hydroxide; dibenzo-18-crown-6 In toluene for 1.5h; Heating / reflux;92%
109-01-3

1-methyl-piperazine

624-28-2

2,5-dibromopyridine

364794-58-1

1-N-(5-bromopyridin-2-yl)-4-methylpiperazine

Conditions
ConditionsYield
With 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; sodium t-butanolate; tris(dibenzylideneacetone)dipalladium (0) In toluene at 100℃; for 3h;99%
In butan-1-ol for 96h; Reflux;70%
With sodium hydrogencarbonate67.1%
624-28-2

2,5-dibromopyridine

57260-71-6

1-t-Butoxycarbonylpiperazine

153747-97-8

5-Bromo-2-(4-tert-butoxycarbonylpiperazin-1-yl)pyridine

Conditions
ConditionsYield
With 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; sodium t-butanolate; tris(dibenzylideneacetone)dipalladium (0) In toluene at 100℃; for 3h;99%
With tris-(dibenzylideneacetone)dipalladium(0); 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; sodium t-butanolate In toluene at 80℃; for 4h; Sealed tube; Inert atmosphere;82%
With pyridine at 125℃; for 12h;39.5%
With potassium carbonate In dimethyl sulfoxide at 150℃; for 21h;
624-28-2

2,5-dibromopyridine

67-56-1

methanol

201230-82-2

carbon monoxide

881-86-7

dimethyl 2,5-pyridine dicarboxylate

Conditions
ConditionsYield
With dichloro[2,2'-bis(diphenylphosphino)-1,1'-binaphthyl]palladium(II); triethylamine at 100℃; under 2585.74 Torr; for 1h;99%
624-28-2

2,5-dibromopyridine

108-86-1

bromobenzene

27012-25-5

5-bromo-2-phenylpyridine

Conditions
ConditionsYield
Stage #1: bromobenzene With n-butyllithium In tetrahydrofuran; hexane; cyclohexane at -78℃; for 0.5h; Inert atmosphere;
Stage #2: With zinc(II) chloride In tetrahydrofuran; hexane; cyclohexane at -78 - 20℃; for 2.6h; Inert atmosphere;
Stage #3: 2,5-dibromopyridine With tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran; hexane; cyclohexane for 16h; Negishi coupling reaction; Inert atmosphere; Reflux;
99%
624-28-2

2,5-dibromopyridine

1066-54-2

trimethylsilylacetylene

111770-80-0

3-bromo-6-(trimethylsilylethynyl)pyridine

Conditions
ConditionsYield
With triethylamine; copper(l) iodide; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran at 17 - 30℃; for 0.5h; Sonogashira Coupling;98%
With copper(l) iodide; palladium dichloride In triethylamine at 30℃; for 2.17h; Inert atmosphere;97%
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); triethylamine In tetrahydrofuran at 20℃; Sonogashira cross-coupling; Inert atmosphere;92%
624-28-2

2,5-dibromopyridine

107-15-3

ethylenediamine

199522-66-2

N1-(5-bromopyridin-2-yl)ethane-1,2-diamine

Conditions
ConditionsYield
at 100℃; for 15h;98%
at 100℃; for 15h;98%
With pyridine for 18h; Heating;71%
at 100℃; for 16h;
624-28-2

2,5-dibromopyridine

67-56-1

methanol

13472-85-0

2-methoxy-5-bromopyridine

Conditions
ConditionsYield
With sodium hydroxide for 5h; Reflux;98%
With sodium In N,N-dimethyl-formamide at 80℃; for 1h; Substitution;95%
With potassium tert-butylate In DMF (N,N-dimethyl-formamide) at 20℃; for 18h;
With sodium methylate In methanol for 0.5h; Reflux;
624-28-2

2,5-dibromopyridine

191917-63-2

2,5-bis(2-ethylhexyloxy)benzene-1,4-diboronic acid

poly{2,5-pyridilene-co-1,4-[2,5-bis-(2-ethylhexyloxy)]phenylene}, AB copolymer, Mw: 12000, Mn: 7400, polydispersity: 2.46; monomer(s): 2,5-dibromopyridine, 1,4-[2,5-bis(2-ethylhexyloxy)]diboronic acid

poly{2,5-pyridilene-co-1,4-[2,5-bis-(2-ethylhexyloxy)]phenylene}, AB copolymer, Mw: 12000, Mn: 7400, polydispersity: 2.46; monomer(s): 2,5-dibromopyridine, 1,4-[2,5-bis(2-ethylhexyloxy)]diboronic acid

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In tetrahydrofuran; water at 70℃; for 60h; Heating;98%
624-28-2

2,5-dibromopyridine

624-92-0

Dimethyldisulphide

134872-23-4

2-bromo-5-methylthiopyridine

Conditions
ConditionsYield
Stage #1: 2,5-dibromopyridine With n-butyllithium In diethyl ether at -78℃;
Stage #2: Dimethyldisulphide In diethyl ether
98%
Stage #1: 2,5-dibromopyridine With n-butyllithium In diethyl ether; hexane at -78℃; for 1h;
Stage #2: Dimethyldisulphide In diethyl ether; hexane at -78 - 0℃; for 2h; Further stages.;
94%
With hydrogenchloride; n-butyllithium In hexane94%
110-89-4

piperidine

624-28-2

2,5-dibromopyridine

24255-95-6

5'-bromo-3,4,5,6-tetrahydro-2H-[1,2']bipyridinyl

Conditions
ConditionsYield
With 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; sodium t-butanolate; tris(dibenzylideneacetone)dipalladium (0) In toluene at 100℃; for 3h;98%
at 80℃; for 96h;94%
With copper(l) iodide; potassium carbonate at 80℃; for 2h;92%
With copper(l) iodide; potassium carbonate; L-proline In dimethyl sulfoxide at 80℃; for 40h; Inert atmosphere;28%
With copper(l) iodide; bis(benzonitrile)palladium(II) dichloride Sonogashira coupling;
626-58-4

4-methylpiperidin

624-28-2

2,5-dibromopyridine

1-N-(5-bromopyridin-2-yl)-4-methylpiperidine

Conditions
ConditionsYield
With 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; sodium t-butanolate; tris(dibenzylideneacetone)dipalladium (0) In toluene at 100℃; for 3h;98%
123-75-1

pyrrolidine

624-28-2

2,5-dibromopyridine

210963-93-2

5-bromo-2-(pyrrolidin-1-yl)pyridine

Conditions
ConditionsYield
In butan-1-ol at 75℃; for 16h; sealed tube;98%
at 110℃; for 1.5h;55%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide Sonogashira coupling;
624-28-2

2,5-dibromopyridine

141-43-5

ethanolamine

2-[(5-bromopyridin-2-yl)amino]ethanol

Conditions
ConditionsYield
for 3h; Reflux;98%
for 3h; Reflux;98%
at 220 - 250℃; for 0.5h; Microwave irradiation;95%
potassium fluoride on basic alumina for 0.25h; microwave irradiation;85%
624-28-2

2,5-dibromopyridine

123855-51-6

tert-butyl 4-(hydroxymethyl)piperidin-1-carboxylate

1010114-48-3

tert-butyl 4-((5-bromopyridin-2-yloxy)methyl)piperidine-1-carboxylate

Conditions
ConditionsYield
With sodium hydride In N,N-dimethyl-formamide at 20℃; for 3h; Temperature; Concentration;98%
With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0 - 80℃; for 5h;87%
Stage #1: tert-butyl 4-(hydroxymethyl)piperidin-1-carboxylate With sodium hydride In dimethyl sulfoxide; mineral oil at 20 - 50℃; for 1.5h;
Stage #2: 2,5-dibromopyridine In dimethyl sulfoxide; mineral oil at 20℃;
84%
With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; for 3h;78%
624-28-2

2,5-dibromopyridine

3652-90-2

2-bromo-9H-carbazole

2-bromo-9-(5-bromopyridin-2-yl)-9H-carbazole

Conditions
ConditionsYield
With 1-methyl-1H-imidazole; copper(l) chloride; lithium tert-butoxide In toluene at 130℃; for 5h; Inert atmosphere;98%
With 1-methyl-1H-imidazole; copper(l) chloride; lithium tert-butoxide In toluene at 130℃; for 5h; Ullmann Condensation; chemoselective reaction;80%
624-28-2

2,5-dibromopyridine

693-02-7

hex-1-yne

2,5-di-1-hexynylpyridine

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine at 50℃; for 72h; Sonogashira coupling;97%
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    2,5-Dibromopyridine

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  • 2,5-Di Bromo Pyridine

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    2,5-Di Bromo Pyridine

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    624-28-2 2,5-Dibromopyridine

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    2,5-Dibromopyridine

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  • Casno:

    624-28-2

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    Business Type:Trading Company

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    624-28-2

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    624-28-2

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    Business Type:Trading Company

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    Address:Huishan Zone, Wuxi City, Jiangsu Province, P.R.China

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     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

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    Address:High-Tech Industrial park,Chemical Economical Development Zone,Xuzhou, Jiangsu-Province, P.R.China

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    624-28-2

    2,5-Dibromopyridine

    Min.Order: 0

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    Business Type:Lab/Research institutions

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    Address:9/F, Unit 2 Changdi Torch Building, 259# WenSan Road, Xihu District, Hangzhou City 310012, P.R.China

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    624-28-2

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    Product Description Product website: http://www.finerchem.com/pro01en/id/1973.html Product Name 2,5-Dibromopyridine CAS No. 624-28-2

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    Address:New Material Industry Park, Jinan Ciyt, China

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    624-28-2

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    Min.Order: 1 Metric Ton

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    2,5-Dibromopyridine Basic information Product Name: 2,5-Dibromopyridine Synonyms: PYRIDINE, 2,5-DIBROMO-;2,5-DIBROMOPYRIDINE;Dibromopyridine;2,5-Dibromopyridine, 97+%;2,5-dibromopyri

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    Business Type:Other

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    Address:No.43, Xinandu Industrial Park, East and West Lake District, Wuhan, Hubei, China

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    624-28-2

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    Business Type:Trading Company

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    Business Type:Lab/Research institutions

    Tel:+86-29-86470566

    Address:Block A of Central Mansion, No.113 of Weiyang Rd, ETDZ, Xi'an, Shaanxi 710016, China

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    624-28-2

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     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-21-52196435

    Address:No.2 Floor,No.979 Yunhan Rd,Nicheng,Pudong New Area,Shanghai,China

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  • Casno:

    624-28-2

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    Min.Order: 10 Gram

    FOB Price:  USD $ 1.0-2.0/Gram

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    Business Type:Trading Company

    Tel:+86-18871490254

    Address:High-tech Industrial Park,Tianmen city,Hubei province.

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    624-28-2

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    Min.Order: 1 Kilogram

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    624-28-2

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    Wuhan Monad Medicine Tech Co.,LTD is a research and development, production, sales in one high-tech company, own about 100 kinds of products, can provide about more than 30000 kind

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     China (Mainland)  |  Contact Details

    Business Type:Trading Company

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    Address:13th Floor, Tower B, Century Plaza, Zhongnan Road, Wuchang District, Wuhan, China.

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  • Casno:

    624-28-2

    2,5-Dibromopyridine CAS NO.: 624-28-2

    Min.Order: 1 Metric Ton

    FOB Price:  USD $ 10.0-20.0/Metric Ton

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    Hebei Guanlang Biotechnology Co., Ltd. belongs to Guanlang Group,which was founded in 2007 , located in Shijiazhuang city which is the capital of Hebei Province and hub sector amon

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    624-28-2

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    Business Type:Trading Company

    Tel:15032793961

    Address:Federal Business Plaza, Qiaoxi District,Shijiazhuang

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    624-28-2

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    Business Type:Manufacturers

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    Address:Unit 603,No.879,Xiahe Road,Meixin Building,Xiamen,China

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    Career Henan Chemical Co, based on the original Zhengzhou Cote Chemical Research Institute, be brave in absorbing highly educated talents & overseas returnees; actively responded t

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    Business Type:Lab/Research institutions

    Tel:+86-371-86658258

    Address:Building 10 of Innovation Park, East District of the National University Science Park

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    624-28-2

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    Business Type:Lab/Research institutions

    Tel:+86-18013506594

    Address:No. 8 Building, 18 nong, Xi Yingnan Road, Pudong, Shanghai,China

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    624-28-2

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    Business Type:Lab/Research institutions

    Tel:+86-27-65522452

    Address:No. 388 Gaoxin Road(No. 2), East Lake Hi-tech Development Zone, Wuhan, Hubei Province, PRC

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    624-28-2

    2,5-Dibromopyridine

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    Triumph International Development Limilted is engaged in the API, pharmaceutical intermediates research and developmen.Adhering to the "customer first" business philosophy,we suppl

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    Business Type:Lab/Research institutions

    Tel:+86-536-7971999

    Address:Yinhai Road,Shouguang

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    624-28-2

    2,5-Dibromopyridine 624-28-2

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    Business Type:Trading Company

    Tel:0852-95636137

    Address:Hong Kong

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    624-28-2

    2,5-Dibromopyridine

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     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:18369939125

    Address:95A, Xingyuan East Road, Zhangdian District

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    624-28-2

    2,5-DIBROMOPYRIDINE

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    Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

    AFINE CHEMICALS LIMITED is specialized in the fine chemicals and pharmaceuticals and we have enjoyed great popularity in world markets. Since 2005, we have been rapidly growing to

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     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-85134551

    Address:No. 206 Zhen Hua Road, Hangzhou 310030, Zhejiang, China

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    624-28-2

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     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-87396432

    Address:No.200 Zhenhua Rd.Xihu Industrial Park, Hangzhou 310030, China

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    624-28-2

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    Min.Order: 1 Kilogram

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    HangYu Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. HangYu Chemical consis

    Zibo HangYu Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals

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    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-15988566987

    Address:Room1701, Tianxing Building,Licheng district, jinan, Shandong, China

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    Superiority: Zhejiang J&C Biological Technology Co., Limited is specialized in the production of high complex new type intermediates and chemical custom synthesis, scale-up production and rare chemicals trade. Products category is including I

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    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:0570-4045877

    Address:46# zhongshan road, quzhou zhejiang

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  • Casno:

    624-28-2

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    Min.Order: 1 Kilogram

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    BaiFuChem is a Professional chemical raw material supplier in China, our main products include Biochemical , Pharma Intermediate and Organic chemical etc. BaiFuChem have wealth of products,experience , expertise and state-of-the-art

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     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+86 592 605 6448

    Address:No.31 Pingshan South Road, HaiCang District, Xiamen, China

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    624-28-2

    National Research Platform ISO 9001 624-28-2

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    Zhengzhou Kingorgchem Chemical Technology Co., Ltd. was founded on the basis of Organophosphorus Chemistry Lab of Institute of Chemistry Henan Academy of Sciences in 2015. The laboratory covers 600 m2 and the pilot plant covers 2000 m2. Kingorgchem i

    Zhengzhou Kingorgchem Chemical Technology Co., Ltd. was founded on the basis of Organophosphorus Chemistry Lab of Institute of Chemistry Henan Academy of Sciences in 2015. The

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     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-371-65511936

    Address:NO.56,Hongzhuan Road

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The 2,5-Dibromopyridine is an organic compound with the formula C5H3Br2N. The IUPAC name of this chemical is 2,5-dibromopyridine. With the CAS registry number 624-28-2, it is also named as Pyridine, 2,5-dibromo-. The product's categories are Nitrogen Cyclic Compounds; Blocks; Bromides; Pyridines; Pyridine Derivative; Pyridines, Pyrimidines, Purines and Pteredines; Halides; Pyridine; Pyridines Derivates; Aromatics Compounds; Bromopyridines; Halopyridines;Pyridine Series; Aromatics; Bases & Related Reagents; Nucleotides; C5Heterocyclic Building Blocks; Halogenated Heterocycles; Heterocyclic Building Blocks; Brominated Heterocyclic Series. Besides, it is a off-white crystals, which should be stored in a closed cool and dry palce. It is used as pharmaceutical intermediates.

Physical properties about 2,5-Dibromopyridine are: (1)ACD/LogP: 2.58; (2)ACD/LogD (pH 5.5): 2.58; (3)ACD/LogD (pH 7.4): 2.58; (4)ACD/BCF (pH 5.5): 54.12; (5)ACD/BCF (pH 7.4): 54.12; (6)ACD/KOC (pH 5.5): 605.84; (7)ACD/KOC (pH 7.4): 605.84; (8)#H bond acceptors: 1; (9)Polar Surface Area: 12.89 Å2; (10)Index of Refraction: 1.607; (11)Molar Refractivity: 39.72 cm3; (12)Molar Volume: 115 cm3; (13)Polarizability: 15.74×10-24cm3; (14)Surface Tension: 47.7 dyne/cm; (15)Density: 2.059 g/cm3; (16)Flash Point: 96.4 °C; (17)Enthalpy of Vaporization: 45.34 kJ/mol; (18)Boiling Point: 235.7 °C at 760 mmHg; (19)Vapour Pressure: 0.0754 mmHg at 25°C.

Uses of 2,5-Dibromopyridine: it can be used to produce 5,5'-dibromo-[2,2']bipyridinyl at temperature of 225 °C. It will need reagent copper-powder.

When you are using this chemical, please be cautious about it as the following:
It is harmful by inhalation, in contact with skin and if swallowed. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Besides, this chemical is irritating to eyes, respiratory system and skin. When you are using it, wear suitable gloves and eye/face protection.

You can still convert the following datas into molecular structure:
(1)SMILES: c1cc(ncc1Br)Br
(2)InChI: InChI=1/C5H3Br2N/c6-4-1-2-5(7)8-3-4/h1-3H
(3)InChIKey: ZHXUWDPHUQHFOV-UHFFFAOYAU
(4)Std. InChI: InChI=1S/C5H3Br2N/c6-4-1-2-5(7)8-3-4/h1-3H
(5)Std. InChIKey: ZHXUWDPHUQHFOV-UHFFFAOYSA-N