Product Name

  • Name

    2-Fluoro-5-nitrobenzaldehyde

  • EINECS -0
  • CAS No. 27996-87-8
  • Article Data12
  • CAS DataBase
  • Density 1.443 g/cm3
  • Solubility It is insoluble in water.
  • Melting Point 57-60 °C(lit.)
  • Formula C7H4FNO3
  • Boiling Point 269.7 °C at 760 mmHg
  • Molecular Weight 169.112
  • Flash Point 116.9 °C
  • Transport Information
  • Appearance Beige to light brown crystalline powder
  • Safety 26-36
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 27996-87-8 (2-Fluoro-5-nitrobenzaldehyde)
  • Hazard Symbols IrritantXi
  • Synonyms 5-NITRO-2-FLUOROBENZALDEHYDE;2-FLUORO-5-NITROBENZALDEHYDE;FLUORO NITROBENZALDEHYDE;2-Fluoro-5-Nitrobenzaldehyde 5-Nitro-2-Fluorobenzaldehyde;2-Fluoro-5-nitrobenzaldehyde,97%;4-Fluoro-3-formylnitrobenzene;Benzaldehyde,2-fluoro-5-nitro-
  • PSA 62.89000
  • LogP 2.06960

Synthetic route

(4-fluoro-3-formylphenyl)boronic acid
374538-01-9

(4-fluoro-3-formylphenyl)boronic acid

2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

Conditions
ConditionsYield
With sulfuric acid; nitric acid at 0 - 20℃; for 16h; regioselective reaction;100%
2-Fluorobenzaldehyde
446-52-6

2-Fluorobenzaldehyde

2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

Conditions
ConditionsYield
With trifluoromethylsulfonic anhydride; ethylammonium nitrate at 0 - 30℃; for 4h; Inert atmosphere; regioselective reaction;97%
C12H11BFNO5

C12H11BFNO5

A

2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

B

C12H10BFN2O7

C12H10BFN2O7

Conditions
ConditionsYield
With sulfuric acid; nitric acid at 0 - 20℃; for 16h; regioselective reaction;A 65%
B 32%
5-nitro-2-fluorotoluene
455-88-9

5-nitro-2-fluorotoluene

2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

Conditions
ConditionsYield
(i) CrO3, H2SO4, Ac2O, AcOH, (ii) aq. H2SO4, EtOH; Multistep reaction;
2-chloro-5-nitrobenzaldehyde
6361-21-3

2-chloro-5-nitrobenzaldehyde

A

2-Fluoro-5-notrobenzaldehyde

2-Fluoro-5-notrobenzaldehyde

B

2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

Conditions
ConditionsYield
With potassium fluoride In N-methyl-acetamide; water
2-chloro-5-nitrobenzaldehyde
6361-21-3

2-chloro-5-nitrobenzaldehyde

2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

Conditions
ConditionsYield
With potassium fluoride In N-methyl-acetamide; water
With potassium fluoride In N,N-dimethyl-formamide at 20 - 160℃;
With potassium fluoride In N,N-dimethyl-formamide at 20 - 160℃; for 1.5h;
With potassium fluoride In N,N-dimethyl-formamide
2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

(2-fluoro-5-nitrophenyl)methanol
63878-73-9

(2-fluoro-5-nitrophenyl)methanol

Conditions
ConditionsYield
100%
With methanol; sodium tetrahydroborate at 0℃; for 3h;99%
With methanol; sodium tetrahydroborate at 0 - 20℃; for 1h;99.8%
2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

tert-butyl 3-aminopropanoate
15231-41-1

tert-butyl 3-aminopropanoate

tert-butyl N-<(2-fluoro-5-nitrophenyl)methyl>-3-aminopropionate
147290-94-6

tert-butyl N-<(2-fluoro-5-nitrophenyl)methyl>-3-aminopropionate

Conditions
ConditionsYield
With sodium acetate; sodium cyanoborohydride In methanol for 2h; Ambient temperature;99%
3-methyl-4-benzyl-2-isoxazolin-5-one
72745-66-5

3-methyl-4-benzyl-2-isoxazolin-5-one

2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

2-(4-benzyl-3-methyl-5-oxo-5H-isoxazol-2-yl)-5-nitro-benzaldehyde

2-(4-benzyl-3-methyl-5-oxo-5H-isoxazol-2-yl)-5-nitro-benzaldehyde

Conditions
ConditionsYield
Stage #1: 3-methyl-4-benzyl-2-isoxazolin-5-one With sodium In methanol
Stage #2: 2-fluoro-5-nitrobenzaldehye In N,N-dimethyl-formamide at 45 - 50℃; for 0.5h;
99%
4,5,6,7-tetrahydrobenzo[c]isoxazol-3(3aH)-one
29879-44-5

4,5,6,7-tetrahydrobenzo[c]isoxazol-3(3aH)-one

2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

5-nitro-2-(3-oxo-4,5,6,7-tetrahydro-3H-benzo[c]isoxazol-1-yl)-benzaldehyde

5-nitro-2-(3-oxo-4,5,6,7-tetrahydro-3H-benzo[c]isoxazol-1-yl)-benzaldehyde

Conditions
ConditionsYield
Stage #1: 4,5,6,7-tetrahydrobenzo[c]isoxazol-3(3aH)-one With sodium In methanol
Stage #2: 2-fluoro-5-nitrobenzaldehye In N,N-dimethyl-formamide at 45 - 50℃; for 5h;
99%
2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

phenol
108-95-2

phenol

5-nitro-2-(phenoxy)benzaldehyde
99847-09-3

5-nitro-2-(phenoxy)benzaldehyde

Conditions
ConditionsYield
With potassium carbonate In 1,4-dioxane at 70℃;99%
With potassium carbonate In 1,4-dioxane at 70℃;99%
With potassium carbonate In N,N-dimethyl acetamide at 170℃; for 2h;
2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

methylamine
74-89-5

methylamine

2-methylamino-5-nitro-benzaldehyde
50609-41-1

2-methylamino-5-nitro-benzaldehyde

Conditions
ConditionsYield
In ethanol; dimethyl sulfoxide at 20℃; for 12h; Inert atmosphere;99%
2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

1-t-Butoxycarbonylpiperazine
57260-71-6

1-t-Butoxycarbonylpiperazine

4-(2-formyl-4-nitrophenyl)piperazine-1-carboxylic acid tert-butyl ester
1017782-93-2

4-(2-formyl-4-nitrophenyl)piperazine-1-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 50℃; Inert atmosphere;99%
With potassium carbonate In N,N-dimethyl-formamide at 50℃;94.8%
With potassium carbonate In dimethyl sulfoxide at 95℃; for 96h; Sealed vessel;80%
With potassium carbonate In dimethyl sulfoxide at 95℃; for 32h;78.9%
With potassium carbonate In N,N-dimethyl-formamide for 12h;55%
pyrrolidine
123-75-1

pyrrolidine

2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

5-nitro-2-(1-pyrrolidinyl)-benzaldehyde
30742-59-7

5-nitro-2-(1-pyrrolidinyl)-benzaldehyde

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃;99%
With potassium carbonate In dimethyl sulfoxide at 60℃; for 3h;85%
With potassium carbonate In N,N-dimethyl-formamide at 120℃; Inert atmosphere;
In water at 25℃; for 0.5h; Sealed tube; Green chemistry;
4-Fluorophenol
371-41-5

4-Fluorophenol

2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

2-(4-fluorophenoxy)-5-nitrobenzaldehyde
57388-43-9

2-(4-fluorophenoxy)-5-nitrobenzaldehyde

Conditions
ConditionsYield
With potassium carbonate In dimethyl sulfoxide at 120℃; for 3h; Inert atmosphere;99%
2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

2‐(difluoromethyl)‐1‐fluoro‐4‐nitrobenzene
63878-71-7

2‐(difluoromethyl)‐1‐fluoro‐4‐nitrobenzene

Conditions
ConditionsYield
With diethylamino-sulfur trifluoride In dichloromethane at 20℃; Cooling with ice;98%
With diethylamino-sulfur trifluoride In dichloromethane at 20℃; for 16h; Inert atmosphere;82%
With diethylamino-sulfur trifluoride In dichloromethane at 20℃; for 16h; Inert atmosphere;82%
2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

1-(4-fluorophenyl)-2-(imidazolidin-2-yl)ethanone

1-(4-fluorophenyl)-2-(imidazolidin-2-yl)ethanone

4-(4-chlorobenzoyl)-7-nitro-1,2-dihydro-imidazo[1,2-a]quinoline

4-(4-chlorobenzoyl)-7-nitro-1,2-dihydro-imidazo[1,2-a]quinoline

Conditions
ConditionsYield
With piperidine In ethanol at 40℃; for 12h;98%
2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

4-hydrazinobenzoic acid hydrochloride
24589-77-3, 52455-33-1

4-hydrazinobenzoic acid hydrochloride

C14H10FN3O4

C14H10FN3O4

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 50℃; for 2h; Inert atmosphere;98%
2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

acrylic acid methyl ester
292638-85-8

acrylic acid methyl ester

methyl 6-nitro-2H-thiochromene-3-carboxylate

methyl 6-nitro-2H-thiochromene-3-carboxylate

Conditions
ConditionsYield
With 1,4-diaza-bicyclo[2.2.2]octane; carbon disulfide In acetonitrile at 20℃; for 20h; Inert atmosphere;97%
3-Pyrroline
109-96-6

3-Pyrroline

2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

2-(2,5-dihydro-1H-pyrrol-1-yl)-5-nitrobenzaldehyde

2-(2,5-dihydro-1H-pyrrol-1-yl)-5-nitrobenzaldehyde

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide Reflux;97%
With potassium carbonate In N,N-dimethyl-formamide at 20 - 90℃; for 7h;
2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

1-(4-fluorophenyl)-2-(imidazolidin-2-yl)ethanone

1-(4-fluorophenyl)-2-(imidazolidin-2-yl)ethanone

4-(4-bromobenzoyl)-7-nitro-1,2-dihydro-imidazo[1,2-a]quinoline

4-(4-bromobenzoyl)-7-nitro-1,2-dihydro-imidazo[1,2-a]quinoline

Conditions
ConditionsYield
With triethylamine In 1,4-dioxane at 65℃; for 2h;97%
2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

2-benzoylmethyleneimidazolidine
64944-80-5

2-benzoylmethyleneimidazolidine

4-benzoyl-7-nitro-1,2-dihydro-imidazo[1,2-a]quinoline

4-benzoyl-7-nitro-1,2-dihydro-imidazo[1,2-a]quinoline

Conditions
ConditionsYield
With piperidine; calcium chloride In 1,4-dioxane at 65℃; for 0.5h;97%
2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

4-chlorobenzylamine
104-86-9

4-chlorobenzylamine

(4-chloro-benzyl)-(2-fluoro-5-nitro-benzyl)-amine

(4-chloro-benzyl)-(2-fluoro-5-nitro-benzyl)-amine

Conditions
ConditionsYield
With sodium tris(acetoxy)borohydride; acetic acid; trimethyl orthoformate In toluene at 20℃; for 6h; Reductive amination;96%
piperidine
110-89-4

piperidine

2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

(carbethoxymethyl)triphenylphosphonium bromide
1530-45-6

(carbethoxymethyl)triphenylphosphonium bromide

ethyl (E)-3-(5-nitro-2-(piperidin-1-yl)phenyl)acrylate

ethyl (E)-3-(5-nitro-2-(piperidin-1-yl)phenyl)acrylate

Conditions
ConditionsYield
With sodium hydroxide In water for 5h; Solvent; Inert atmosphere; Reflux; Green chemistry; stereoselective reaction;96%
tert-butylisonitrile
119072-55-8, 7188-38-7

tert-butylisonitrile

2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

N-(fluoren-9-ylmethoxycarbonyl)glycine
29022-11-5

N-(fluoren-9-ylmethoxycarbonyl)glycine

benzylamine
100-46-9

benzylamine

C36H35FN4O6

C36H35FN4O6

Conditions
ConditionsYield
In methanol; dichloromethane at 20℃; for 72h; Ugi Condensation;96%
2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

ethyl 2-sulfanylacetate
623-51-8

ethyl 2-sulfanylacetate

ethyl 5-nitro-2-benzo[b]thiophenecarboxylate
25785-09-5

ethyl 5-nitro-2-benzo[b]thiophenecarboxylate

Conditions
ConditionsYield
With hydrogenchloride; potassium carbonate In methanol; N,N-dimethyl-formamide95.1%
4-methyl-3-phenylisoxazole-5(4H)-one
23244-37-3

4-methyl-3-phenylisoxazole-5(4H)-one

2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

2-(4-methyl-5-oxo-3-phenyl-5H-isoxazol-2-yl)-5-nitro-benzaldehyde

2-(4-methyl-5-oxo-3-phenyl-5H-isoxazol-2-yl)-5-nitro-benzaldehyde

Conditions
ConditionsYield
Stage #1: 4-methyl-3-phenylisoxazole-5(4H)-one With sodium In methanol
Stage #2: 2-fluoro-5-nitrobenzaldehye In N,N-dimethyl-formamide at 45 - 50℃; for 2h;
95%
2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

2-fluoro-5-nitrobenzaldehyde diethylacetal
773850-31-0

2-fluoro-5-nitrobenzaldehyde diethylacetal

Conditions
ConditionsYield
With sulfuric acid In ethanol for 3h;95%
indole
120-72-9

indole

2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

3-((2-fluoro-5-nitrophenyl)(1H-indol-3-yl)methyl)-1H-indole

3-((2-fluoro-5-nitrophenyl)(1H-indol-3-yl)methyl)-1H-indole

Conditions
ConditionsYield
With boric acid In water at 20℃; for 0.416667h; Green chemistry;95%
1-methylindole
603-76-9

1-methylindole

2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

3-((2-fluoro-5-nitrophenyl)(1-methyl-1H-indol-3-yl)methyl)-1-methyl-1H-indole

3-((2-fluoro-5-nitrophenyl)(1-methyl-1H-indol-3-yl)methyl)-1-methyl-1H-indole

Conditions
ConditionsYield
With boric acid In water at 20℃; for 0.333333h; Green chemistry;95%
2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

5-chloro-1H-indole
17422-32-1

5-chloro-1H-indole

5-chloro-3-((5-chloro-1H-indol-3-yl)(2-fluoro-5-nitrophenyl)methyl)-1H-indole

5-chloro-3-((5-chloro-1H-indol-3-yl)(2-fluoro-5-nitrophenyl)methyl)-1H-indole

Conditions
ConditionsYield
With boric acid In water at 20℃; for 0.416667h; Green chemistry;95%
2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

4,4-difluoropiperidine hydrochloride

4,4-difluoropiperidine hydrochloride

2-(4,4-difluoropiperidin-1-yl)-5-nitrobenzaldehyde

2-(4,4-difluoropiperidin-1-yl)-5-nitrobenzaldehyde

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 50℃; Inert atmosphere;95%
carbon disulfide
75-15-0

carbon disulfide

2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

phenylhydrazine
100-63-0

phenylhydrazine

1-[(2-fluoro-5-nitrophenyl)methylidene]-2-phenylhydrazine

1-[(2-fluoro-5-nitrophenyl)methylidene]-2-phenylhydrazine

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 0 - 20℃; for 15h;95%
2-fluoro-5-nitrobenzaldehye
27996-87-8

2-fluoro-5-nitrobenzaldehye

2-(imidazolidin-2-ylidene)-1-(p-tolyl)ethanone
82100-23-0

2-(imidazolidin-2-ylidene)-1-(p-tolyl)ethanone

4-p-toluyl-7-nitro-1,2-dihydro-imidazo[1,2-a]quinoline

4-p-toluyl-7-nitro-1,2-dihydro-imidazo[1,2-a]quinoline

Conditions
ConditionsYield
With piperidine; calcium oxide In 1,4-dioxane at 65℃; for 2h;95%

2-Fluoro-5-nitrobenzaldehyde Chemical Properties

Product Name: Benzaldehyde,2-fluoro-5-nitro- (CAS NO.27996-87-8)

Molecular Formula: C7H4FNO3
Molecular Weight: 169.11g/mol
Mol File: 27996-87-8.mol
Appearance: Beige to light brown crystalline powder
Melting Point: 57-60 °C(lit.)
Sensitive: Air Sensitive
Index of Refraction: 1.59 
Molar Refractivity: 39.54 cm3 
Molar Volume: 117.1 cm
Surface Tension: 52.2 dyne/cm 
Density: 1.443 g/cm
Flash Point: 116.9 °C 
Enthalpy of Vaporization: 50.79 kJ/mol 
Boiling Point: 269.7 °C at 760 mmHg 
Vapour Pressure: 0.00713 mmHg at 25°C
XLogP3-AA: 1.3
H-Bond Donor: 0
H-Bond Acceptor: 4
Structure Descriptors of Benzaldehyde,2-fluoro-5-nitro- (CAS NO.27996-87-8):
  IUPAC Name: 2-fluoro-5-nitrobenzaldehyde
  Canonical SMILES: C1=CC(=C(C=C1[N+](=O)[O-])C=O)F
  InChI: InChI=1S/C7H4FNO3/c8-7-2-1-6(9(11)12)3-5(7)4-10/h1-4H 
  InChIKey: VVXFDFQEIRGULC-UHFFFAOYSA-N
Product Categories: Aromatic Aldehydes & Derivatives (substituted);Benzaldehyde; Miscellaneous; Aldehydes; C7; Carbonyl Compounds

2-Fluoro-5-nitrobenzaldehyde Safety Profile

Safety Information of Benzaldehyde,2-fluoro-5-nitro- (CAS NO.27996-87-8):
Hazard Codes: XiIrritant
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: PG3
WGK Germany: 3
Hazard Note: Irritant
HazardClass: IRRITANT

2-Fluoro-5-nitrobenzaldehyde Specification

 Benzaldehyde,2-fluoro-5-nitro- , its CAS NO. is 27996-87-8, the synonyms are Fluoro Nitrobenzaldehyde ; 2-Fluoro-5-nitrobenzaldehyde .

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