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118-91-2

Basic Information
CAS No.: 118-91-2
Name: 2-Chlorobenzoic acid
Molecular Structure:
Molecular Structure of 118-91-2 (2-Chlorobenzoic acid)
Formula: C7H5ClO2
Molecular Weight: 156.57
Synonyms: 2-CBA;o-Chlorobenzoic acid;Benzoic acid, 2-chloro-;Benzoic acid, o-chloro-;Kyselina o-chlorbenzoova;O-chloro-benzoic acid;2 - Chloro Benzoic Acid;O-Chloro benzoic acid;2-chloro benzoic acid;2 Chloro Benzoic Acid;Ortho chlorobenzoic acid;Ortho-chloro benzoic acid;
EINECS: 204-285-4
Density: 1.544 g/cm3
Melting Point: 139-143 °C
Boiling Point: 275.7 °C at 760 mmHg
Flash Point: 120.5 °C
Solubility: soluble in hot water
Appearance: white crystals or powder
Hazard Symbols: IrritantXi
Risk Codes: 36-36/37/38
Safety: 26-37/39
Transport Information:
PSA: 37.30000
LogP: 2.03820
Synthetic route
89-98-5

2-chloro-benzaldehyde

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With sodium perborate In acetic acid for 1.5h; steam bath;100%
With sodium chlorite; dimethyl sulfoxide In water; acetonitrile at 10℃; for 1h;98%
With selenium(IV) oxide; dihydrogen peroxide In tetrahydrofuran for 9h; Heating;97%
610-96-8

methyl chlorobenzoate

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With sodium; diphenyldisulfane In 1-methyl-pyrrolidin-2-one at 90℃; for 0.25h;100%
With iodine; aluminium In acetonitrile at 80℃; for 18h;98%
With potassium hydroxide In toluene at 150℃; for 0.166667h; microwave irradiation;97%
17849-38-6

2-Chlorobenzyl alcohol

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With NH-pyrazole; sodium hydride In tetrahydrofuran for 20h; Ambient temperature;100%
With Oxone; potassium bromide In water; acetonitrile at 20℃; for 24h; Reagent/catalyst; Solvent;99%
With sodium hydroxide; sodium periodate; trans-Na6 In water for 1.5h;96%
5328-80-3

2-chlorobenzaldehyde N-[(2-chlorophenyl)methylidene]hydrazone

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With poly(diselanediyl-1,2-phenylene); dihydrogen peroxide In tetrahydrofuran for 140h; Heating;98%
With [bis(acetoxy)iodo]benzene In tetrahydrofuran at 20℃; for 4h; Green chemistry;76%
107135-19-3

N’-(2-chlorobenzylidene)-4-methylbenzenesulfonohydrazide

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With poly(diselanediyl-1,2-phenylene); dihydrogen peroxide In tetrahydrofuran for 85h; Heating;98%
23975-60-2

1-(2-chlorophenyl)-4,4,4-trifluorobutane-1,3-dione

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With oxygen; sodium hydrogencarbonate In acetonitrile for 4h; Molecular sieve; Irradiation;98%
873-32-5

2-Chlorobenzonitrile

A

609-66-5

2-chlorobenzamide

B

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With potassium hydroxide In toluene at 150℃; for 0.166667h; microwave irradiation;A 2%
B 97%
With phosphate buffer at 30℃; for 6.5h; rhodococcus rhodocrous AJ270, pH 7.0;A 94%
B 4%
With potassium phosphate buffer at 30℃; for 6.5h; Rhodococcus sp. AJ270 cells;A 94.1%
B 4.4%
With potassium hydroxide; cetyltrimethylammonim bromide In toluene at 100℃; for 0.166667h; microwave irradiation;A 45%
B 5%
95-49-8

2-methylchlorobenzene

A

89-98-5

2-chloro-benzaldehyde

B

611-17-6

1-bromomethyl-2-chlorobenzene

C

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With oxygen; cobalt(II) acetate; sodium bromide In acetic acid at 95℃; for 0.666667h; Kinetics; Mechanism; Rate constant; other time; other temperature; various concentrations of Co(OAc)2 and NaBr;A n/a
B n/a
C 96%
With oxygen; cobalt(II) acetate; sodium bromide In acetic acid at 95℃; for 0.666667h;A n/a
B n/a
C 95%
1429790-14-6

methyl 3-(2-chlorophenyl)-3-oxopropanedithioate

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With sodium hydroxide In water at 100℃; for 8.5h; Reflux; chemoselective reaction;96%
873-32-5

2-Chlorobenzonitrile

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With benzene-1,2-dicarboxylic acid for 0.833333h; microwave-irradiation;94%
With phosphate buffer at 30℃; for 168h; rhodococcus rhodocrous AJ270, pH 7.0;80%
With potassium phosphate buffer at 30℃; for 168h; Rhodococcus sp. AJ270 cells;79.9%
With sulfuric acid
2039-87-4

2-chlorostyrene

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
Stage #1: 2-chlorostyrene With tert.-butylhydroperoxide; iron(III) chloride hexahydrate; sodium hydroxide In water at 80℃; for 10h;
Stage #2: With hydrogenchloride In water at 20℃;
94%
With Oxone; 2-iodo-3,4,5,6-tetramethylbenzoic acid In water; acetonitrile for 24h;79%
Stage #1: 2-chlorostyrene With tert.-butylhydroperoxide; iodine; sodium hydroxide In water at 105℃; for 16h; Sealed tube;
Stage #2: With hydrogenchloride In water
58%
95-49-8

2-methylchlorobenzene

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With ruthenium trichloride; sodium hypochlorite; tetrabutylammomium bromide In 1,2-dichloro-ethane at 25℃; for 2h;93%
With carbon tetrabromide; oxygen In acetonitrile at 20℃; for 60h; UV-irradiation;91.5%
With oxygen; Langlois reagent In acetonitrile at 25℃; for 12h; Irradiation; Green chemistry;91%
949-67-7

L-tyrosine ethyl ester

609-65-4

o-chlorobenzoyl chloride

A

797760-44-2

N-(2-chlorobenzoyl)-(L)-tyrosine ethyl ester

B

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
Stage #1: L-tyrosine ethyl ester With sodium hydrogencarbonate In tetrahydrofuran; water at 20℃;
Stage #2: o-chlorobenzoyl chloride In tetrahydrofuran; water at 0 - 20℃; for 0.5h;
A 92%
B 5%
7579-40-0

benzyl 2-chlorobenzoate

108-88-3

toluene

A

620-47-3

1-methyl-3-(phenylmethyl)-benzene

B

620-83-7

1-methyl-4-(phenylmethyl)benzene

C

713-36-0

2-benzyltoluene

D

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With boron trifluoride diethyl etherate; water at 80℃; for 2h; regioselective reaction;A n/a
B n/a
C n/a
D 92%
89-98-5

2-chloro-benzaldehyde

A

17849-38-6

2-Chlorobenzyl alcohol

B

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
Stage #1: 2-chloro-benzaldehyde With potassium hydroxide In water at 20℃; Cannizzaro reaction;
Stage #2: With hydrogenchloride In water
A 85%
B 91%
With sodium hydroxide In water at 20℃; for 2.5h; Cannizzaro Reaction;A n/a
B 90%
Stage #1: 2-chloro-benzaldehyde In neat (no solvent) for 0.0333333h; Green chemistry;
Stage #2: With 1,4-diaza-bicyclo[2.2.2]octane In neat (no solvent) at 40℃; for 0.00833333h; Reagent/catalyst; Cannizzaro Reaction; Microwave irradiation; Green chemistry;
3717-28-0

2-chloro benzaldehyde oxime

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With poly(diselanediyl-1,2-phenylene); dihydrogen peroxide In tetrahydrofuran for 63h; Heating;90%
32345-65-6, 133082-13-0, 59365-60-5

(DL)-o-chlorophenyl-1,2-ethanediol

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With tert.-butylhydroperoxide; potassium tert-butylate In water at 80℃; for 8h;90%
201230-82-2

carbon monoxide

615-41-8

2-iodochlorobenzene

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With water; palladium diacetate; triethylamine; triphenylphosphine In 1,4-dioxane at 110℃; under 11251.1 Torr; for 2h; Reagent/catalyst; Temperature; Pressure; Flow reactor;90%
Stage #1: carbon monoxide; 2-iodochlorobenzene With potassium carbonate In water at 100℃; under 3750.38 Torr; for 12h; Autoclave;
Stage #2: With hydrogenchloride In water
85%
With water; potassium carbonate In acetonitrile at 100℃; under 3750.38 Torr; for 0.0161111h;74%
70657-63-5

2-chloro-N,N-diisopropylbenzamide

A

6291-28-7

3-chlorobenzoic acid isopropylamide

B

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With hydrogenchloride; zinc(II) chloride at 160℃; for 72h;A 9%
B 89%
124-38-9

carbon dioxide

346656-42-6

2-(2-chlorophenyl)-5,5-dimethyl-1,3,2-dioxaborinane

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
Stage #1: carbon dioxide; 2-(2-chlorophenyl)-5,5-dimethyl-1,3,2-dioxaborinane With potassium tert-butylate; silver(I) acetate; triphenylphosphine In tetrahydrofuran at 70℃; under 15201 Torr; for 16h; Inert atmosphere; Autoclave;
Stage #2: With hydrogenchloride In tetrahydrofuran; water Inert atmosphere;
89%
1608-42-0

benzenedizolium-2-carboxylate

A

573-57-9

1,4-dihydronaphthalene-1,4-epoxide

B

579-75-9

2-Methoxybenzoic acid

C

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With 1,2-dichloro-ethane at 80℃; for 2h; Product distribution; Mechanism; acids were detected as methyl esters (methylated by CH2N2);A 88%
B n/a
C n/a
89-97-4

2-CHLOROBENZYLAMINE

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; laccasefrom Trametes versicolor; oxygen In water at 30℃; for 240h; pH=4.5; Enzymatic reaction;88%
13524-04-4

2'-chloro-sec-phenethyl alcohol

A

89-98-5

2-chloro-benzaldehyde

B

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With sodium nitrate; water; oxygen In dimethyl sulfoxide at 130℃; for 36h;A 9%
B 87%
1608-42-0

benzenedizolium-2-carboxylate

A

573-57-9

1,4-dihydronaphthalene-1,4-epoxide

B

108-90-7

chlorobenzene

C

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With triethylamine hydrochloride In chloroform at 60℃; for 48h; Product distribution; Mechanism; var. temp.: RT; acid was identified as methyl ester (methylated by CH2N2);A 85%
B 6%
C 15%
16537-16-9

2-chloro-benzoic acid tert-butyl ester

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With water; iodine In acetonitrile for 4h; Heating;85%
118-92-3

anthranilic acid

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
Stage #1: anthranilic acid With hydrogenchloride; sodium nitrite In water at 6 - 8℃; for 0.416667h;
Stage #2: With aluminum sulfate; potassium chloride; copper(II) sulfate In water for 1 - 1.5h;
84%
With hydrogenchloride; water; sodium nitrite man giesst dann in eine Loesung von CuCl;
With tert.-butylnitrite; copper dichloride In acetonitrile

2-Chloro-benzoic acid 3-methyl-but-2-enyl ester

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With iodine In cyclohexane for 6h; Ambient temperature;84%
7579-40-0

benzyl 2-chlorobenzoate

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With methanol; sodium tetrahydroborate; nickel(II) chloride hexahydrate at 20℃; for 0.0833333h; chemoselective reaction;83%
2444-36-2

2'-chloro-benzeneacetic acid

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With iodine; dimethyl sulfoxide at 120℃; for 25h; Sealed tube; Green chemistry;83%
67-56-1

methanol

118-91-2

ortho-chlorobenzoic acid

610-96-8

methyl chlorobenzoate

Conditions
ConditionsYield
With sulfuric acid for 4h; Reflux;100%
With sulfuric acid Heating;99%
With 1,3,5-trichloro-2,4,6-triazine; sodium carbonate at 50℃; for 0.333333h; Sonication;94%
118-91-2

ortho-chlorobenzoic acid

609-65-4

o-chlorobenzoyl chloride

Conditions
ConditionsYield
With thionyl chloride In toluene at 75℃;100%
With thionyl chloride Reflux;100%
With thionyl chloride at 100℃;100%
118-91-2

ortho-chlorobenzoic acid

65-85-0

benzoic acid

Conditions
ConditionsYield
With hydrogen; triethylamine; palladium on activated charcoal In methanol at 20℃; for 3h;100%
With borane-ammonia complex In water; isopropyl alcohol at 40℃; for 3h; Sealed tube;97%
With 1H-imidazole; copper ammonium sulphate hexahydrate; lithium tert-butoxide In N,N-dimethyl-formamide; isopropyl alcohol for 72h; Irradiation;87%
3518-83-0

1-ethylpiperidin-4-ol

118-91-2

ortho-chlorobenzoic acid

2-chloro-benzoic acid 1-ethyl-piperidin-4-yl ester

Conditions
ConditionsYield
With pyridine; p-toluenesulfonyl chloride at 0 - 20℃; Esterification;100%
118-91-2

ortho-chlorobenzoic acid

2492-02-6

2,5-bis-(2-chlorophenyl)-1,3,4-oxadiazole

Conditions
ConditionsYield
With hydrazine dihydrochloride; phosphoric acid; trichlorophosphate In water at 140℃; for 2h; Condensation;99.2%
With hydrazine dihydrochloride; phosphoric acid; phosphorus pentoxide at 130℃; for 0.0833333h; microwave irradiation;96%
With sodium tetrahydroborate; hydrazine dihydrochloride; phosphoric acid at 170 - 180℃; for 6h; Inert atmosphere; Neat (no solvent);87%
With Montmorillonite K10 clay; hydrazine hydrate In ethanol for 0.05h; microwave irradiation;86%
Multi-step reaction with 3 steps
1: sulfuric acid / 70 - 80 °C
2: hydrazine hydrate / ethanol / 60 - 70 °C
3: trichlorophosphate / 8 h
View Scheme
64-17-5

ethanol

118-91-2

ortho-chlorobenzoic acid

7335-25-3

ethyl 2-chlorobenzoate

Conditions
ConditionsYield
With fluorosulfonyl fluoride; N-ethyl-N,N-diisopropylamine In 1,2-dichloro-ethane at 20℃; for 5h;99%
With sulfuric acid at 100℃; for 12h; Sealed tube;95%
With thionyl chloride for 2h; Heating;86%
108-42-9

3-chloro-aniline

118-91-2

ortho-chlorobenzoic acid

13278-36-9

N-(3-chlorophenyl)anthranilic acid

Conditions
ConditionsYield
With copper(I) oxide; copper; potassium carbonate In 2-ethoxy-ethanol at 130℃; for 24h;99%
With pyridine; copper; potassium carbonate In water for 1h; Heating;60%
With copper; potassium carbonate for 5h; Heating;44%
100-39-0

benzyl bromide

118-91-2

ortho-chlorobenzoic acid

7579-40-0

benzyl 2-chlorobenzoate

Conditions
ConditionsYield
With N(Et)4(1+)*(2-pyrrolidone-anion) In N,N-dimethyl-formamide for 1h; Ambient temperature;99%
100-46-9

benzylamine

118-91-2

ortho-chlorobenzoic acid

6622-55-5

N-benzylanthranilic acid

Conditions
ConditionsYield
With copper(I) oxide; copper; potassium carbonate In various solvent(s) at 130℃; for 24h;99%
With potassium hydroxide; copper(II) oxide; tetrabutylammomium bromide In water at 130℃; for 0.0833333h; Ullmann-type C-N coupling; microwave irradiation;55%
With potassium phosphate; ethylene glycol; copper(l) iodide In butan-1-ol at 100℃; for 72h;48%
With copper; potassium carbonate In pentan-1-ol at 140℃; for 4h;44%
118-91-2

ortho-chlorobenzoic acid

783325-73-5

3-amino-3',5'-dimethylbiphenyl

783325-75-7

N-[3-(3,5-dimethylphenyl)phenyl]anthranilic acid

Conditions
ConditionsYield
With copper(I) oxide; copper; potassium carbonate In 2-ethoxy-ethanol at 130℃; for 24h;99%
With copper(I) oxide; potassium carbonate; copper(II) oxide In 2-methoxy-ethanol for 2h; Heating;95%
With copper(I) oxide; copper; potassium carbonate In ethyl methyl ether for 2h; Heating / reflux;95%
100-41-4

ethylbenzene

118-91-2

ortho-chlorobenzoic acid

111021-09-1

1-phenylethyl 2-chlorobenzoate

Conditions
ConditionsYield
With tetra-(n-butyl)ammonium iodide In water at 80℃; for 8h;99%
68820-12-2

cyclohexyl-N-tosyl aziridine

118-91-2

ortho-chlorobenzoic acid

2-((4-methylphenyl)sulfonamido)cyclohexyl 2-chlorobenzoate

Conditions
ConditionsYield
With tetrabutylammomium bromide In N,N-dimethyl-formamide at 65℃; for 33h; stereoselective reaction;99%
In N,N-dimethyl-formamide at 65℃; for 43h;97%
With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at 50℃; Green chemistry;93%
1440525-63-2

(1S,2S,4S,5R,6S)-di-tert-butyl 4-amino-2-[(tert-butoxycarbonyl)amino]bicyclo[3.1.0]hexane-2,6-dicarboxylate

118-91-2

ortho-chlorobenzoic acid

di-tert-butyl (1S,2S,4S,5R,6S) 2-((tert-butoxycarbonyl)amino)-4-[(2-chlorobenzoyl)amino]bicyclo[3.1.0]hexane-2,6-dicarboxylate

Conditions
ConditionsYield
Stage #1: ortho-chlorobenzoic acid With benzotriazol-1-ol; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide
Stage #2: (1S,2S,4S,5R,6S)-di-tert-butyl 4-amino-2-[(tert-butoxycarbonyl)amino]bicyclo[3.1.0]hexane-2,6-dicarboxylate In N,N-dimethyl-formamide
99%
62-53-3

aniline

118-91-2

ortho-chlorobenzoic acid

2989-99-3

N-(2-chlorophenyl)-N'-phenylurea

Conditions
ConditionsYield
With diphenyl phosphoryl azide; triethylamine In toluene at 100℃; for 0.0166667h; Curtius Rearrangement; Microwave irradiation;99%
2113-51-1

2-iodobiphenyl

118-91-2

ortho-chlorobenzoic acid

217-59-4

triphenylene

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; potassium carbonate; p-benzoquinone In dimethyl sulfoxide at 140℃; for 4h; Schlenk technique; Inert atmosphere;99%
108-44-1

1-amino-3-methylbenzene

118-91-2

ortho-chlorobenzoic acid

16524-22-4

2-(m-tolylamino)benzoic acid

Conditions
ConditionsYield
With copper; caesium carbonate; copper(II) oxide In water at 105℃; Reagent/catalyst; Temperature; Large scale;98.3%
With copper(I) oxide; copper; potassium carbonate In 2-ethoxy-ethanol at 130℃; for 24h;80%
With potassium carbonate; copper In N,N-dimethyl-formamide for 2h; Heating;63%
106-49-0

p-toluidine

118-91-2

ortho-chlorobenzoic acid

16524-23-5

N-p-tolyl-anthranilic acid

Conditions
ConditionsYield
With copper; potassium carbonate for 5h; Heating;98%
With copper; sodium carbonate; copper(II) oxide In water at 105℃; Large scale;97.9%
With pyridine; copper; potassium carbonate In pentan-1-ol for 1h; Heating;84%
62-53-3

aniline

118-91-2

ortho-chlorobenzoic acid

91-40-7

2-(phenylamino)benzoic acid

Conditions
ConditionsYield
With copper(I) sulfate; potassium carbonate; copper(II) sulfate In water for 0.0833333h; Ullmann condensation; microwave irradiation;98%
With potassium carbonate; copper(II) sulfate for 0.025h; Ullmann condensation; microwave irradiation;98%
With sodium acetate; copper (I) acetate In water for 4h; Heating;91%
118-91-2

ortho-chlorobenzoic acid

71-36-3

butan-1-ol

52468-48-1

butyl 2-chlorobenzoate

Conditions
ConditionsYield
With sulfuric acid; acetonitrile at 80 - 85℃; for 16 - 18h;98%
With thionyl chloride for 2h; Heating;81%
With sulfuric acid
150-13-0

4-amino-benzoic acid

118-91-2

ortho-chlorobenzoic acid

17332-57-9

N-(4-carboxyphenyl)anthranilic acid

Conditions
ConditionsYield
With copper(I) oxide; copper; potassium carbonate In 2-ethoxy-ethanol at 130℃; for 24h;98%
With copper; potassium carbonate In i-Amyl alcohol at 160℃; Ullmann Condensation;91%
With copper; potassium carbonate In N,N-dimethyl-formamide at 140 - 145℃; for 3.5h;79%
4389-45-1

3-methylantranilic acid

118-91-2

ortho-chlorobenzoic acid

80841-45-8

2-<(2-carboxyphenyl)amino>-3-methylbenzoic acid

Conditions
ConditionsYield
With copper; potassium carbonate; copper(I) bromide In various solvent(s) at 160℃; for 0.5h;98%
118-91-2

ortho-chlorobenzoic acid

4551-39-7

2-deuteriobenzoic acid

Conditions
ConditionsYield
With hydrogen; water-d2; triethylamine; palladium on activated charcoal at 20℃;98%
With 10% Pd/C; hydrogen; water-d2; triethylamine In methanol at 20℃; for 24h; chemoselective reaction;97%
With deuteriated sodium hydroxide; aluminum nickel In water-d2 at 40℃; for 1h; Yield given;
75-03-6

ethyl iodide

118-91-2

ortho-chlorobenzoic acid

7335-25-3

ethyl 2-chlorobenzoate

Conditions
ConditionsYield
With caesium carbonate In acetonitrile for 1.5h; Heating;98%
118-91-2

ortho-chlorobenzoic acid

13420-63-8

2-chloro-6-iodobenzoic acid

Conditions
ConditionsYield
With N-iodo-succinimide; [Ir(III)(η5-pentamethylcyclopentadienyl)(H2O)3](SO4) at 60℃; for 16h;98%
With [bis(acetoxy)iodo]benzene; iodine; palladium diacetate In N,N-dimethyl-formamide at 100℃; for 24h; Sealed tube;91%
With [bis(acetoxy)iodo]benzene; iodine; palladium diacetate In N,N-dimethyl-formamide at 100℃; for 24h;87%
Stage #1: ortho-chlorobenzoic acid With (E)-N,N,N′,N′-tetramethylethene-1,2-diamine; sec.-butyllithium In tetrahydrofuran at -78℃; for 0.5h;
Stage #2: With iodine In tetrahydrofuran at -78 - 0℃;
53%
1468-95-7

9-hydroxymethylanthracene

118-91-2

ortho-chlorobenzoic acid

2-chloro-benzoic acid anthracen-9-ylmethyl ester

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃;98%
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  • 2-chlorobenzoic acid 2-Cba

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    118-91-2

    2-chlorobenzoic acid 2-Cba

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    Business Type:Trading Company

    Tel:+8613437848121

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    118-91-2

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    Product Name: 2-Chlorobenzoic acid Synonyms: O-CHLOROBENZOIC ACID;RARECHEM AL BO 0021;2-CBA;2-Chlorbenzoesαure;2-chlorobenzoic;2-chloro-benzoicaci;Benzoic acid, o-chloro-;Benzoicacid,2-chloro-

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    Business Type:Trading Company

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    Address:Room 1710, Baoxin International Phase I, 19 Guanyun East Road, Zhuozhou, Hebei

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    Business Type:Lab/Research institutions

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    118-91-2

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    Business Type:Trading Company

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    118-91-2

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    Shanghai Upbio Tech Co.,Ltd (Former Onchem (China)Co.,Ltd) is a comprehensive manufacturer and an international distribution of chemicals throughout the world, The predecessor of

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     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

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

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    Business Type:Lab/Research institutions

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    Address:2/F-4/Bld Colorful Palace, No.605 Changsha Ave, Yuhua Area Changsha Hunan China.

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    Business Type:Trading Company

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    118-91-2

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    Business Type:Trading Company

    Tel:86-431-81915458

    Address:Room 302, 47 Changping Street, Chaoyang District, Changchun, Jilin Province,China

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    118-91-2

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    118-91-2

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    118-91-2

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    China (Mainland)  |  Contact Details

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    Tel:86-21-51752791, 51752788

    Address:Suite A101, No. 751, Yichang Road, Shanghai China. (200060)

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    Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

    Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, special chemicals and OLED materials &

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     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:86-592-3327115

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

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    118-91-2

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    1,10 years exporting experience; 2.Competitive price and quality; 3,Free sample can be provided; 4,We are sincerely responsible for the"sample quality" , "product quality" and "After Service"; 5. prompt del

    Enbridge PharmTech Co., Ltd. is an innovative company integrated with R&D, manufacturing, marketing and distribution of intermediates and fine chemicals, mainly used to pharmaceuti

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     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86-510-83591909

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

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    Henan CoreyChem Co., Ltd, based on the original Zhengzhou Cote Chemical Research Institute, be brave in absorbing highly educated talents & overseas returnees; actively responded to Zhengzhou City High-tech Zone Government’s Special Care

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    Business Type:Lab/Research institutions

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

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    118-91-2

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    Betterbiochem is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in

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    Business Type:Lab/Research institutions

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

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    Shandong Hanjiang Chemical Co., Ltd. is located in Qilu Petrochemical Industrial Park, Zibo City, Shandong Province, involving pesticide, medicine, chemical industry, coating, dy

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    Tel:18369939125

    Address:95A, Xingyuan East Road, Zhangdian District

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    span lang="EN-US" style="font-size: 9.0pt;font-family:"Arial",sans-serif;color:#4D4D4D">As a leading manufacturer and supplier of chemicals in china, weckchem not only supply popular chemicals, but also weckchem’s r&d center off

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    118-91-2

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Chemistry


IUPAC Name: 2-Chlorobenzoic acid 
Empirical Formula: C7H5ClO2
Molecular Weight: 156.5664
Canonical SMILES: C1=CC=C(C(=C1)C(=O)O)Cl
InChI: InChI=1S/C7H5ClO2/c8-6-4-2-1-3-5(6)7(9)10/h1-4H,(H,9,10)
InChIKey: IKCLCGXPQILATA-UHFFFAOYSA-N
EINECS: 204-285-4
Product Categories: Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts; Organics; Highly Purified Reagents; Other Categories; Zone Refined Products; C7; Carbonyl Compounds; Carboxylic Acids; Alpha sort; C; CAlphabetic; CH; Pesticides&Metabolites 
Water Solubility: soluble in hot water
Stability: Stable, combustible. Incompatible with strong bases, strong oxidizing agents. 
Index of Refraction: 1.583
Molar Refractivity: 38.07 cm3
Molar Volume: 113.9 cm3
Surface Tension: 51.5 dyne/cm
Density: 1.374 g/cm3
Flash Point: 120.5 °C
Enthalpy of Vaporization: 54.31 kJ/mol
Boiling Point: 275.7 °C at 760 mmHg
Vapour Pressure: 0.00242 mmHg at 25 °C 
Appearance: white crystals or powder
Melting Point: 138-140 °C(lit.)
Classification Code of 2-Chlorobenzoic acid (CAS NO.118-91-2): Skin / Eye Irritant

Uses

 2-Chlorobenzoic acid is a simple organic compound which can be used as a chemical building block. It may be synthesized by the oxidation of 2-chlorotoluene with potassium permanganate. It can be used as dye intermediate,preservatives of  glue and paint,  also can be used in the manufacture of  pharmaceutical and fungicides.

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD oral > 500mg/kg (500mg/kg)   National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. Vol. 5, Pg. 18, 1953.
rat LD50 intraperitoneal 2300mg/kg (2300mg/kg)   Bollettino Chimico Farmaceutico. Vol. 112, Pg. 53, 1973.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Moderately toxic by intraperitoneal route. Mildly toxic by ingestion. An eye and skin irritant. When heated to decomposition it emits toxic fumes of Cl.
Hazard Codes: IrritantXi
Risk Statements: 36-36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin. 
R36:Irritating to eyes.
Safety Statements: 26-37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S37/39:Wear suitable gloves and eye/face protection.
WGK Germany: 2
RTECS: DG4976000
Hazard Note: Irritant

Specification

  2-Chlorobenzoic acid (CAS NO.118-91-2), its Synonyms are Benzoic acid, 2-chloro- ; Benzoic acid, o-chloro- ; Kyselina o-chlorbenzoova ; o-Chlorobenzoic acid .