Product Name

  • Name

    2-Bromo-5-fluoroaniline

  • EINECS
  • CAS No. 1003-99-2
  • Article Data18
  • CAS DataBase
  • Density 1.694 g/cm3
  • Solubility
  • Melting Point 43-47 °C(lit.)
  • Formula C6H5BrFN
  • Boiling Point 228.2 °C at 760 mmHg
  • Molecular Weight 190.015
  • Flash Point 91.8 °C
  • Transport Information UN 2811
  • Appearance yellow to brown crystalline powder
  • Safety 26-36
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 1003-99-2 (2-Bromo-5-fluoroaniline)
  • Hazard Symbols IrritantXi,ToxicT
  • Synonyms 2-Bromo-5-fluoro-phenylamine;2-bromo-5-fluoro-aniline;2-Bromo-fluoroaniline;2-bromo-5-fluorobenzenamine;2-fluoro-5-bromoaniline;
  • PSA 26.02000
  • LogP 2.75160

Synthetic route

2-bromo-5-fluoronitrobenzene
446-09-3

2-bromo-5-fluoronitrobenzene

2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

Conditions
ConditionsYield
Stage #1: 2-bromo-5-fluoronitrobenzene With iron; acetic acid In ethanol at 20℃; for 2.08333h; Heating / reflux;
Stage #2: With sodium hydroxide In diethyl ether; water
100%
With tin(ll) chloride In ethanol at 50℃; for 2h; Reagent/catalyst; Temperature;100%
With iron; acetic acid In ethanol; water at 80 - 85℃; for 6h;98.9%
2-azido-1-bromo-5-fluorobenzene
909274-50-6

2-azido-1-bromo-5-fluorobenzene

2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

Conditions
ConditionsYield
With iron(III) oxide; hydrazine hydrate In water at 120℃; for 2.5h; Inert atmosphere;81%
2-nitro-4-fluoroaniline
364-78-3

2-nitro-4-fluoroaniline

2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: HCl; aq. NaNO2 / 0 °C
1.2: CuBr; HCl / 0 - 60 °C
2.1: H2 / Raney Ni
View Scheme
meta-fluoroaniline
372-19-0

meta-fluoroaniline

A

2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

B

3-fluoro-4-bromophenylamine
656-65-5

3-fluoro-4-bromophenylamine

Conditions
ConditionsYield
With N-Bromosuccinimide In DCE at 20℃;A 11 %Chromat.
B 89 %Chromat.
1-Bromo-4-fluorobenzene
460-00-4

1-Bromo-4-fluorobenzene

2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sulfuric acid; nitric acid / water / 0.25 h / 0 °C
2: ammonium chloride; zinc / water / 0.5 h / 80 °C
View Scheme
meta-fluoroaniline
372-19-0

meta-fluoroaniline

2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

Conditions
ConditionsYield
With hydrogen bromide; dimethyl sulfoxide In ethyl acetate at 60℃; for 12h;
4-fluoroaniline
371-40-4

4-fluoroaniline

2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: toluene / 2 h / 5 - 25 °C / Large scale
2.1: sulfuric acid / dichloromethane / 1 h / 0 - 5 °C
2.2: 1 h / 5 - 10 °C
3.1: sulfuric acid / water / 14 h / 75 - 80 °C
3.2: 1 h / 0 - 5 °C
3.3: 2 h / 40 - 50 °C
4.1: iron; acetic acid / water; ethanol / 6 h / 80 - 85 °C
View Scheme
4'-fluoroacetanilide
351-83-7

4'-fluoroacetanilide

2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: sulfuric acid / dichloromethane / 1 h / 0 - 5 °C
1.2: 1 h / 5 - 10 °C
2.1: sulfuric acid / water / 14 h / 75 - 80 °C
2.2: 1 h / 0 - 5 °C
2.3: 2 h / 40 - 50 °C
3.1: iron; acetic acid / water; ethanol / 6 h / 80 - 85 °C
View Scheme
cis,trans-2,5-dimethoxytetrahydrofuran
696-59-3

cis,trans-2,5-dimethoxytetrahydrofuran

2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

1-(2-bromo-5-fluorophenyl)-1H-pyrrole
1254221-18-5

1-(2-bromo-5-fluorophenyl)-1H-pyrrole

Conditions
ConditionsYield
With water; acetic acid In 1,2-dichloro-ethane at 80℃; Paal-Knorr pyrrole synthesis; Inert atmosphere;100%
With acetic acid for 1h; Reflux;
2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

pivaloyl chloride
3282-30-2

pivaloyl chloride

N-(2-bromo-5-fluorophenyl)pivalamide
885609-84-7

N-(2-bromo-5-fluorophenyl)pivalamide

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 2h;98%
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 2h;98%
With triethylamine In dichloromethane at 0 - 20℃; for 3h;92%
With triethylamine In dichloromethane at 0 - 30℃;
With triethylamine In dichloromethane at 0 - 20℃;
2-iodobiphenyl
2113-51-1

2-iodobiphenyl

2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

7-fluoro-9H-tribenzo[b,d,f]azepine

7-fluoro-9H-tribenzo[b,d,f]azepine

Conditions
ConditionsYield
With palladium diacetate; caesium carbonate; tris-(o-tolyl)phosphine In N,N-dimethyl-formamide at 120℃; for 36h; Schlenk technique; Inert atmosphere;98%
2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

4-fluoroboronic acid
1765-93-1

4-fluoroboronic acid

4,4'-difluoro-[1,1'-biphenyl]-2-amine
2367-21-7

4,4'-difluoro-[1,1'-biphenyl]-2-amine

Conditions
ConditionsYield
With potassium phosphate; tetrakis(triphenylphosphine) palladium(0) In ethanol; water; toluene at 96℃; for 24h; Inert atmosphere;97%
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In ethanol; water; toluene at 100℃; for 24h;
2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

benzoyl chloride
98-88-4

benzoyl chloride

N-(2-bromo-5-fluorophenyl)benzamide
1629-17-0

N-(2-bromo-5-fluorophenyl)benzamide

Conditions
ConditionsYield
In tetrahydrofuran at 20℃; for 24h;96%
With triethylamine In dichloromethane at 20℃; for 3h;
2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

2-azido-1-bromo-5-fluorobenzene
909274-50-6

2-azido-1-bromo-5-fluorobenzene

Conditions
ConditionsYield
Stage #1: 2-bromo-5-fluoroaniline With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 1.5h;
Stage #2: With sodium azide; sodium acetate In water at 0 - 5℃; for 1h;
96%
Stage #1: 2-bromo-5-fluoroaniline With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 1.5h;
Stage #2: With sodium azide; sodium acetate In water at 0 - 5℃; for 1h;
96%
Stage #1: 2-bromo-5-fluoroaniline With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 1.5h;
Stage #2: With sodium azide; sodium acetate In water at 0 - 5℃; for 1h;
96%
With tert.-butylnitrite; trimethylsilylazide In acetonitrile at 0 - 20℃; for 0.5h; Inert atmosphere;53%
2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

acetic anhydride
108-24-7

acetic anhydride

N-(2-bromo-5-fluoro-phenyl)acetamide
1009-06-9

N-(2-bromo-5-fluoro-phenyl)acetamide

Conditions
ConditionsYield
In dichloromethane Inert atmosphere; Reflux;96%
at 10 - 20℃; for 3h;90%
2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

benzyl chloroformate
501-53-1

benzyl chloroformate

2-bromo-5-fluorobenzyloxycarbonylaniline
1643796-25-1

2-bromo-5-fluorobenzyloxycarbonylaniline

Conditions
ConditionsYield
With sodium hydrogencarbonate In 1,2-dichloro-ethane at 0 - 10℃; for 1h;95.6%
With pyridine In ethyl acetate at 20℃; for 2h;85%
2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

diethyl 2-ethoxymethylenemalonate
87-13-8

diethyl 2-ethoxymethylenemalonate

diethyl {[(2-bromo-5-fluorophenyl)amino]methylene}malonate
655236-27-4

diethyl {[(2-bromo-5-fluorophenyl)amino]methylene}malonate

Conditions
ConditionsYield
for 16h; Heating;95%
at 120℃; for 2h; Neat (no solvent);84%
at 100℃; for 2h;
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

8-bromo-5-fluoro-2-methylquinoline
904694-59-3

8-bromo-5-fluoro-2-methylquinoline

Conditions
ConditionsYield
Stage #1: trans-Crotonaldehyde; 2-bromo-5-fluoroaniline With hydrogenchloride In water at 100℃; for 1h; Heating / reflux;
Stage #2: With zinc(II) chloride In water at 0℃; for 0.5h;
Stage #3: With ammonia In water pH=8.0;
95%
Stage #1: 2-bromo-5-fluoroaniline With hydrogenchloride In water; toluene for 0.5h; Reflux;
Stage #2: trans-Crotonaldehyde In water; toluene for 18h; Reflux;
40%
2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

4‑ntro‑N’‑(1‑phenylethylidene)benzenesulfonohydrazide

4‑ntro‑N’‑(1‑phenylethylidene)benzenesulfonohydrazide

5-fluoro-2-(1-phenylvinyl)aniline

5-fluoro-2-(1-phenylvinyl)aniline

Conditions
ConditionsYield
With di-tert-butyl(methyl)phosphonium tetrafluoroborate salt; palladium diacetate; potassium carbonate In N,N-dimethyl acetamide at 110℃; Inert atmosphere;95%
2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

trimethylsilylacetylene
1066-54-2

trimethylsilylacetylene

5-fluoro-2-((trimethylsilyl)ethynyl)aniline

5-fluoro-2-((trimethylsilyl)ethynyl)aniline

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In toluene at 20℃; for 24h; Sonogashira Cross-Coupling; Inert atmosphere;95%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine at 20℃; Inert atmosphere; Sealed tube;
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

tert-butyl N-(2-bromo-5-fluorophenyl)carbamate
861931-75-1

tert-butyl N-(2-bromo-5-fluorophenyl)carbamate

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0 - 10℃; for 10h;94.2%
Stage #1: di-tert-butyl dicarbonate; 2-bromo-5-fluoroaniline With dmap In tetrahydrofuran for 3h; Reflux; Inert atmosphere;
Stage #2: With potassium carbonate In methanol for 3h; Reflux; Inert atmosphere;
76%
75%
1-(2,4-difluorophenyl)pentane-1,4-dione
908292-39-7

1-(2,4-difluorophenyl)pentane-1,4-dione

2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

1-(2-bromo-5-fluorophenyl)-2-(2,4-difluorophenyl)-5-methyl-1H-pyrrole
1445874-22-5

1-(2-bromo-5-fluorophenyl)-2-(2,4-difluorophenyl)-5-methyl-1H-pyrrole

Conditions
ConditionsYield
With gadolinium(III) trifluoromethanesulfonate In acetonitrile at 30℃; for 0.5h; Paal-Knorr Pyrrole Synthesis;94%
2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

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

N,N-dimethyl-formamide

N'-(2-bromo-5-fluorophenyl)-N,N-dimethylformimidamide

N'-(2-bromo-5-fluorophenyl)-N,N-dimethylformimidamide

Conditions
ConditionsYield
Stage #1: N,N-dimethyl-formamide With pyridine-2-sulfonyl chloride for 0.0833333h;
Stage #2: 2-bromo-5-fluoroaniline at 20℃;
93.9%
2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

potassium phtalimide
1074-82-4

potassium phtalimide

2-bromo-5-fluorophthalimidoaniline

2-bromo-5-fluorophthalimidoaniline

Conditions
ConditionsYield
With sodium hydroxide In tetrahydrofuran at 0 - 40℃; for 6h;93.8%
2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

N-(2-bromo-5-fluorophenyl)-4-methylbenzenesulfonamide

N-(2-bromo-5-fluorophenyl)-4-methylbenzenesulfonamide

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0 - 10℃; for 0.5h;93.5%
With pyridine In tetrahydrofuran at 40℃;
With pyridine for 24h;8.78 g
Stage #1: 2-bromo-5-fluoroaniline With pyridine In ethyl acetate for 0.166667h;
Stage #2: p-toluenesulfonyl chloride In ethyl acetate
Stage #1: 2-bromo-5-fluoroaniline With pyridine In dichloromethane at 0℃; for 0.166667h; Inert atmosphere;
Stage #2: p-toluenesulfonyl chloride at 20℃; Inert atmosphere;
2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

isobutyryl chloride
79-30-1

isobutyryl chloride

2-bromo-5-fluoroisobutyranilide

2-bromo-5-fluoroisobutyranilide

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0 - 10℃; for 0.5h;93.5%
2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

acetyl chloride
75-36-5

acetyl chloride

N-(2-bromo-5-fluoro-phenyl)acetamide
1009-06-9

N-(2-bromo-5-fluoro-phenyl)acetamide

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0 - 10℃; for 0.5h;93.2%
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 16h; Inert atmosphere;3 g
Acetyl bromide
506-96-7

Acetyl bromide

2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

N-(2-bromo-5-fluoro-phenyl)acetamide
1009-06-9

N-(2-bromo-5-fluoro-phenyl)acetamide

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0 - 10℃; for 0.5h;92.9%
2-bromo-5-fluoroaniline
1003-99-2

2-bromo-5-fluoroaniline

3-methyl-4-nitro-benzoyl chloride
35675-46-8

3-methyl-4-nitro-benzoyl chloride

N-(2-bromo-5-fluorophenyl)-3-methyl-4-nitrobenzamide
343975-60-0

N-(2-bromo-5-fluorophenyl)-3-methyl-4-nitrobenzamide

Conditions
ConditionsYield
With pyridine for 1h; Heating;92%
With pyridine for 2h; Reflux;84%

2-Bromo-5-fluoroaniline Chemical Properties

The molecular structure of 2-Bromo-5-fluoroaniline (CAS NO.1003-99-2):

IUPAC Name: 2-Bromo-5-fluoroaniline 
Molecular Weight: 190.013003 g/mol
Molecular Formula: C6H5BrFN 
Density: 1.694 g/cm3 
Melting Point: 43-47 °C(lit.)
Boiling Point: 228.2 °C at 760 mmHg 
Flash Point: 91.8 °C
Index of Refraction: 1.596
Molar Refractivity: 38.17 cm3
Molar Volume: 112.1 cm3
Surface Tension: 45.2 dyne/cm 
Enthalpy of Vaporization: 46.48 kJ/mol
Vapour Pressure: 0.0743 mmHg at 25 °C
XLogP3-AA: 2
H-Bond Donor: 1
H-Bond Acceptor: 2
Exact Mass: 188.95894
MonoIsotopic Mass: 188.95894
Topological Polar Surface Area: 26
Heavy Atom Count: 9
Canonical SMILES: C1=CC(=C(C=C1F)N)Br
InChI: InChI=1S/C6H5BrFN/c7-5-2-1-4(8)3-6(5)9/h1-3H,9H2
InChIKey: FWTXFEKVHSFTDQ-UHFFFAOYSA-N
Product Categories: Aniline; Anilines, Amides & Amines; Bromine Compounds; Fluorine Compounds; Pharmaceutical intermediate; Amines; C2 to C6; Nitrogen Compounds

2-Bromo-5-fluoroaniline Safety Profile

Hazard Codes: IrritantXi, ToxicT
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
RIDADR: UN2811
WGK Germany: 3
Hazard Note: Toxic
HazardClass: 6.1
PackingGroup: III

2-Bromo-5-fluoroaniline Specification

 2-Bromo-5-fluoroaniline (CAS NO.1003-99-2) is also named as 2-Brom-5-fluoranilin ; benzenamine, 2-bromo-5-fluoro- ; 2-Bromo-4-fluoroaniline ; 2-Bromo-5-fluoroaniline 98% . 2-Bromo-5-fluoroaniline (CAS NO.1003-99-2) is yellow to brown crystalline powder.

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