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High Quality 5-Bromo-2-chlorobenzoic acid 21739-92-4 powder
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5-Bromo-2-chlorobenzoic acid
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5-Bromo-2-Chlorobenzoic Acid
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5-Bromo-2-chlorobenzoic acid CAS NO.21739-92-4
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5-Bromo-2-chlorobenzoicacid
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21739-92-4 Usage

Chemical Properties

white to light yellow crystal powder
InChI:InChI=1/C7H4BrClO2/c8-4-1-2-6(9)5(3-4)7(10)11/h1-3H,(H,10,11)/p-1

21739-92-4 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
Alfa Aesar (A12218)  5-Bromo-2-chlorobenzoic acid, 98+%    21739-92-4 250g 5943.0CNY Detail
Alfa Aesar (A12218)  5-Bromo-2-chlorobenzoic acid, 98+%    21739-92-4 50g 1482.0CNY Detail
Alfa Aesar (A12218)  5-Bromo-2-chlorobenzoic acid, 98+%    21739-92-4 10g 421.0CNY Detail

21739-92-4SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017

1.Identification

1.1 GHS Product identifier

Product name 5-Bromo-2-chlorobenzoic acid

1.2 Other means of identification

Product number -
Other names Benzoic acid,5-bromo-2-chloro

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:21739-92-4 SDS

21739-92-4Synthetic route

2-chloro-5-bromobenzaldehyde
189628-37-3

2-chloro-5-bromobenzaldehyde

5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

Conditions
ConditionsYield
With C4H11FeMo6NO24(3-)*3C16H36N(1+); water; oxygen; sodium carbonate at 50℃; under 760.051 Torr; for 8h; Green chemistry;99%
With 4H3N*4H(1+)*CuMo6O18(OH)6(4-); water; oxygen; sodium carbonate at 50℃; under 760.051 Torr; for 12h;99%
tert-butyl 5-bromo-2-chloro-benzoate

tert-butyl 5-bromo-2-chloro-benzoate

5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

Conditions
ConditionsYield
In hexafluoropropan-2-ol at 100℃; for 2h; Microwave irradiation;96%
2-chlorobenzotrichloride
2136-89-2

2-chlorobenzotrichloride

5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

Conditions
ConditionsYield
Stage #1: 2-chlorobenzotrichloride With ferric(III) bromide; ferrocenyl methyl trimethyl ammonium bromide; copper(I) bromide; iron(II) bromide at 20℃; for 15h;
Stage #2: With aminosulfonic acid In water at 80℃; for 8h;
92.5%
Stage #1: 2-chlorobenzotrichloride With bromine; iron for 6h;
Stage #2: With sulfuric acid at 100℃; for 5h;
90%
Stage #1: 2-chlorobenzotrichloride With ferric(III) bromide; bromine In dichloromethane at 25 - 30℃; for 6h;
Stage #2: With acetic acid at 110℃; for 15h; Reagent/catalyst; Temperature;
5-bromosalicyclic acid
89-55-4

5-bromosalicyclic acid

5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

Conditions
ConditionsYield
With tetrachloromethane; molybdenum hexacarbonyl In dimethyl sulfoxide at 150℃; for 6h; Reagent/catalyst; Solvent; Autoclave;92.1%
5-bromo-2-chloro-benzoyl chloride
21900-52-7

5-bromo-2-chloro-benzoyl chloride

5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

Conditions
ConditionsYield
With oxalyl dichloride; N,N-dimethyl-formamide at 0 - 20℃; for 12h;89.1%
ortho-chlorobenzoic acid
118-91-2

ortho-chlorobenzoic acid

5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

Conditions
ConditionsYield
Stage #1: ortho-chlorobenzoic acid With aluminum (III) chloride In chloroform for 0.5h; Large scale;
Stage #2: With bromine In chloroform at 25℃; for 48.5h; Solvent; Large scale;
88%
With sodium periodate; sulfuric acid; sodium bromide In water; acetic acid at 30 - 65℃;87.8%
Stage #1: ortho-chlorobenzoic acid With sodium sulfide; sulfuric acid at 30℃; for 0.333333h;
Stage #2: With N-Bromosuccinimide at 30℃; for 0.166667h; Temperature; Reagent/catalyst;
85%
5-bromo-2-chlorobenzyl alcohol
149965-40-2

5-bromo-2-chlorobenzyl alcohol

5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

Conditions
ConditionsYield
With potassium phosphate; carbon dioxide; CrH6Mo6O24(3-)*3H3N*3H(1+) In dimethyl sulfoxide at 80℃; under 750.075 Torr; for 24h; Green chemistry;80%
2-(2-chloro-5-bromophenyl)-4,5-dihydro-4,4-dimethyloxazole

2-(2-chloro-5-bromophenyl)-4,5-dihydro-4,4-dimethyloxazole

5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

Conditions
ConditionsYield
With hydrogenchloride In water; acetonitrile at 60 - 70℃; for 3h; Time;75.1%
bromochlorobenzene
106-39-8

bromochlorobenzene

carbon dioxide
124-38-9

carbon dioxide

5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

Conditions
ConditionsYield
With 2,2,6,6-tetramethyl-piperidine; n-butyllithium In tetrahydrofuran; hexane at -75℃; for 2h;52%
bromochlorobenzene
106-39-8

bromochlorobenzene

carbon dioxide
124-38-9

carbon dioxide

A

2-bromo-5-chlorobenzoic acid
21739-93-5

2-bromo-5-chlorobenzoic acid

B

5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

Conditions
ConditionsYield
With lithium diisopropyl amide In tetrahydrofuran at -100℃;A 20%
B n/a
2-chloro-5-bromotoluene
54932-72-8

2-chloro-5-bromotoluene

5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

Conditions
ConditionsYield
With alkaline aqueous potassium permanganate solution
With nitric acid
5-Bromo-2-aminobenzoic acid
5794-88-7

5-Bromo-2-aminobenzoic acid

5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

Conditions
ConditionsYield
With hydrogenchloride; copper(l) chloride; sodium nitrite Diazotization.weiteres Reagens: wss. Salzsaeure;
2-chloro-benzoate silver

2-chloro-benzoate silver

5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

Conditions
ConditionsYield
With bromine
2-methyl-4-nitro-benzenamine
99-52-5

2-methyl-4-nitro-benzenamine

5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: man ersetzt die NH2-Gruppe durch Chlor, reduziert mit Zinn und Salzsaeure und ersetzt die neugebildete NH2-Gruppe durch Brom
2: HNO3
View Scheme
5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

5-bromo-2-chloro-benzoyl chloride
21900-52-7

5-bromo-2-chloro-benzoyl chloride

Conditions
ConditionsYield
With oxalyl dichloride In DMF (N,N-dimethyl-formamide); dichloromethane at 20 - 25℃;100%
With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 20℃; for 10h;100%
With thionyl chloride In N,N-dimethyl-formamide; toluene at 0 - 100℃; for 4h; Inert atmosphere;100%
5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

methylamine
74-89-5

methylamine

5-bromo-2-chloro-N-methylbenzamide

5-bromo-2-chloro-N-methylbenzamide

Conditions
ConditionsYield
Stage #1: 5-bromo-2-chlorobenzoic acid With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 20℃; for 2h; Cooling with ice;
Stage #2: methylamine With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 0 - 20℃; for 0.333333h;
100%
5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

5-bromo-2-chlorobenzyl alcohol
149965-40-2

5-bromo-2-chlorobenzyl alcohol

Conditions
ConditionsYield
With dimethylsulfide; borane In tetrahydrofuran at 20℃; for 24h;98%
With borane dimethyl sulfide complex In tetrahydrofuran at 0 - 23℃; for 14h;98%
Stage #1: 5-bromo-2-chlorobenzoic acid With sodium tetrahydroborate; iodine In tetrahydrofuran for 18h; Reflux;
Stage #2: With sodium hydrogensulfite In ethyl acetate
97%
methanol
67-56-1

methanol

5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

methyl 5-bromo-2-chloro-benzoate
251085-87-7

methyl 5-bromo-2-chloro-benzoate

Conditions
ConditionsYield
With sulfuric acid for 72h; Heating;98%
With sulfuric acid for 72h; Heating / reflux;98%
With hydrogenchloride In water98%
fluorobenzene
462-06-6

fluorobenzene

5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

(2-chloro-5-bromophenyl)(4-fluorophenyl)methanone
915095-85-1

(2-chloro-5-bromophenyl)(4-fluorophenyl)methanone

Conditions
ConditionsYield
Stage #1: fluorobenzene; 5-bromo-2-chlorobenzoic acid With oxalyl dichloride; N,N-dimethyl-formamide at 0 - 25℃;
Stage #2: With aluminum (III) chloride at 25℃;
96.94%
Stage #1: 5-bromo-2-chlorobenzoic acid With oxalyl dichloride In dichloromethane; N,N-dimethyl-formamide at 10 - 30℃; for 2h;
Stage #2: fluorobenzene With aluminum (III) chloride at 75℃;
78%
Stage #1: 5-bromo-2-chlorobenzoic acid With thionyl chloride; N,N-dimethyl-formamide In dichloromethane at 39 - 42℃;
Stage #2: fluorobenzene With aluminum (III) chloride In dichloromethane Reflux;
265 g
5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

4-methoxy-benzylamine
2393-23-9

4-methoxy-benzylamine

5-bromo-2-chloro-N-(4-methoxybenzyl)benzamide

5-bromo-2-chloro-N-(4-methoxybenzyl)benzamide

Conditions
ConditionsYield
With silica gel In neat (no solvent) at 120℃; for 8h; Inert atmosphere; Sealed tube;94%
2,2,2-trifluoroethanol
75-89-8

2,2,2-trifluoroethanol

5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

2,5-di-(2,2,2-trifluoroethoxy)benzoic acid
35480-52-5

2,5-di-(2,2,2-trifluoroethoxy)benzoic acid

Conditions
ConditionsYield
With C10H12N2O8(4-)*Cu(2+)*2H4N(1+) In N,N-dimethyl-formamide at 20℃; for 4h; Reagent/catalyst;93.5%
With potassium tert-butylate; copper(I) bromide In tetrahydrofuran; water45%
ethanol
64-17-5

ethanol

5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

5-Bromo-2-chloro-benzoic acid ethyl ester
76008-73-6

5-Bromo-2-chloro-benzoic acid ethyl ester

Conditions
ConditionsYield
With sulfuric acid In benzene Cooling with ice; Reflux;92%
sulfuric acid
With sulfuric acid Reflux;
In N,N-dimethyl-formamide at 80℃; for 8h;
5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

benzylamine
100-46-9

benzylamine

N-benzyl-5-bromo-2-chlorobenzamide

N-benzyl-5-bromo-2-chlorobenzamide

Conditions
ConditionsYield
With silica gel In neat (no solvent) at 120℃; for 8h; Inert atmosphere; Sealed tube;92%
5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

C8H12O

C8H12O

(5-bromo-2-chlorophenyl)(4-ethyloxyphenyl)methanone
461432-22-4

(5-bromo-2-chlorophenyl)(4-ethyloxyphenyl)methanone

Conditions
ConditionsYield
Stage #1: 5-bromo-2-chlorobenzoic acid; C8H12O With oxalyl dichloride In dichloromethane; N,N-dimethyl-formamide at 10 - 30℃;
Stage #2: With aluminum (III) chloride In dichloromethane for 1h; Cooling with ice;
92%
oxalyl dichloride
79-37-8

oxalyl dichloride

5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

methyl 5-bromo-2-chloro-benzoate
251085-87-7

methyl 5-bromo-2-chloro-benzoate

Conditions
ConditionsYield
In methanol; dichloromethane; N,N-dimethyl-formamide91%
5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

Phenetole
103-73-1

Phenetole

(5-bromo-2-chlorophenyl)(4-ethyloxyphenyl)methanone
461432-22-4

(5-bromo-2-chlorophenyl)(4-ethyloxyphenyl)methanone

Conditions
ConditionsYield
With dipotassium peroxodisulfate; phosphorus; iron(III) oxide; sodium carbonate; sodium bromide In 1,4-dioxane at 40℃; Temperature; Solvent; Molecular sieve;90%
Stage #1: 5-bromo-2-chlorobenzoic acid With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane for 3h;
Stage #2: Phenetole With aluminum (III) chloride In dichloromethane at 4 - 5℃; for 1h;
70%
Stage #1: 5-bromo-2-chlorobenzoic acid With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 20℃;
Stage #2: Phenetole With aluminum (III) chloride In dichloromethane at 20℃; for 2h; Cooling with ice;
5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

2-chloro-5-deuteriobenzoic acid
121990-18-9

2-chloro-5-deuteriobenzoic acid

Conditions
ConditionsYield
With Raney Cu-Al alloy; sodium carbonate In water-d2 at 65℃; for 8h;88%
5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

phenol
108-95-2

phenol

(5-bromo-2-chlorophenyl)(4-hydroxyphenyl)methanone
1360568-68-8

(5-bromo-2-chlorophenyl)(4-hydroxyphenyl)methanone

Conditions
ConditionsYield
With polyphosphoric acid at 50 - 85℃;87%
norepinephrine
48115-38-4

norepinephrine

5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

5-bromo-2-chloro-N-(1-hydroxy-1-phenylpropane-2-yl)benzamide
1150313-65-7

5-bromo-2-chloro-N-(1-hydroxy-1-phenylpropane-2-yl)benzamide

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In N,N-dimethyl-formamide at 0 - 20℃;86%
5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

4-methoxy-aniline
104-94-9

4-methoxy-aniline

N-(4-methoxyphenyl)-4-bromoanthranilic acid

N-(4-methoxyphenyl)-4-bromoanthranilic acid

Conditions
ConditionsYield
With copper(I) oxide; copper; potassium carbonate In 2-ethoxy-ethanol at 130℃; for 24h;85%
5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

tert-butyl alcohol
75-65-0

tert-butyl alcohol

tert-butyl (5-bromo-2-chlorophenyl)carbamate
740806-51-3

tert-butyl (5-bromo-2-chlorophenyl)carbamate

Conditions
ConditionsYield
With diphenyl phosphoryl azide; triethylamine for 3h; Heating / reflux;85%
5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

N,O-dimethylhydroxylamine*hydrochloride
6638-79-5

N,O-dimethylhydroxylamine*hydrochloride

5-bromo-2-chloro-N-methoxy-N-methyl-benzamide
842136-59-8

5-bromo-2-chloro-N-methoxy-N-methyl-benzamide

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine; HATU In N,N-dimethyl-formamide at 20℃; for 14h;84%
With N-ethyl-N,N-diisopropylamine; HATU In N,N-dimethyl-formamide at 20℃; for 14h;84%
With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 20℃; for 16h;82%
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane at 20℃; for 64h;
With diethylamine; dicyclohexyl-carbodiimide In dichloromethane at 5 - 10℃; for 0.5h;88 g
5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

phenethylamine
64-04-0

phenethylamine

5-bromo-N-phenethylanthranilic acid
1002965-88-9

5-bromo-N-phenethylanthranilic acid

Conditions
ConditionsYield
With copper(I) oxide; copper; potassium carbonate In various solvent(s) at 130℃; for 24h;84%
5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

1-amino-2-propene
107-11-9

1-amino-2-propene

N-allyl-5-bromo-2-chlorobenzamide

N-allyl-5-bromo-2-chlorobenzamide

Conditions
ConditionsYield
Stage #1: 5-bromo-2-chlorobenzoic acid With thionyl chloride for 1h; Reflux;
Stage #2: 1-amino-2-propene In dichloromethane at 20℃; for 2h;
83%
With silica gel In neat (no solvent) at 120℃; for 14h; Inert atmosphere; Sealed tube;80%
5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

2-chloro-5-formylbenzoic acid
1206625-81-1

2-chloro-5-formylbenzoic acid

Conditions
ConditionsYield
Stage #1: 5-bromo-2-chlorobenzoic acid With isopropylmagnesium chloride In tetrahydrofuran at -45 - 20℃; for 16.5h; Inert atmosphere;
Stage #2: N,N-dimethyl-formamide In tetrahydrofuran at 0 - 20℃; for 1.83333h; Inert atmosphere;
Stage #3: With hydrogenchloride In tetrahydrofuran; water at 20 - 37℃; for 1.58333h; Inert atmosphere;
80%
Stage #1: 5-bromo-2-chlorobenzoic acid With isopropylmagnesium chloride In tetrahydrofuran at -30 - 20℃; Bouveault aldehyde synthesis; Inert atmosphere; Large scale reaction;
Stage #2: N,N-dimethyl-formamide In tetrahydrofuran at 0℃; Bouveault aldehyde synthesis; Inert atmosphere; Large scale reaction;
Stage #3: With hydrogenchloride In tetrahydrofuran; water at 10 - 20℃; Bouveault aldehyde synthesis; Large scale reaction;
80%
1-(aminomethyl)cycloheptanol
45732-95-4

1-(aminomethyl)cycloheptanol

5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

C15H19BrClNO2
1227807-64-8

C15H19BrClNO2

Conditions
ConditionsYield
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 1h;80%
5-bromo-2-chlorobenzoic acid
21739-92-4

5-bromo-2-chlorobenzoic acid

aniline
62-53-3

aniline

5-Bromo-N-phenylanthranilic acid
82762-60-5

5-Bromo-N-phenylanthranilic acid

Conditions
ConditionsYield
With potassium carbonate; CuPy2Cl2 at 75℃; for 0.333333h; microwave irradiation;79%

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