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Home > Encyclopedia > 4-Fluoro-3-nitrobenzoic acid

4-Fluoro-3-nitrobenzoic acid

4-Fluoro-3-nitrobenzoic acid structure

4-Fluoro-3-nitrobenzoic acid 

structure
  • CAS No:

    453-71-4

  • Formula:

    C7H4FNO4

  • Chemical Name:

    4-Fluoro-3-nitrobenzoic acid

  • Synonyms:

    Benzoic acid,4-fluoro-3-nitro-;4-Fluoro-3-nitrobenzoic acid;4-Carboxy-2-nitrofluorobenzene;NSC 10311;3-Nitro-4-fluorobenzoic acid

  • Categories:

    Chemical Reagents  >  Organic Reagents

Description

white to light yellow crystal powder

4-Fluoro-3-nitrobenzoic acid Basic Attributes

185.11

185.11

207-221-3

10311

DTXSID30196465

2916399090

Characteristics

83.1

1.9

white-yellow powder

1.6±0.1 g/cm3

121-122 °C

356.9°C at 760 mmHg

169.6±23.7 °C

1.588

insoluble

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

1.03E-05mmHg at 25°C

Safety Information

NONH for all modes of transport

2

R22;R36/37/38

S26-S36-S24/25

Xn:Harmful;

Stable at room temperature in closed containers under normal storage and handling conditions.

P261-P305 + P351 + P338

H302-H315-H319-H335

Drug Information

4-fluoro-3-nitrobenzoic acid

4-Fluoro-3-nitrobenzoic acid Use and Manufacturing

To a cold solution of 4-fluorobenzoic acid (50.0 g, 0.36 mol, 1.0 equiv) in concentrated HTo a solution of 4-fluoro-benzoic acid (5.0 g, 36 mmol) in conc. HA stirred solution of 4-fluoro-3-nitrobenzonitrile (1.00 g, 6.02 mmol) in 70percent H2S04 (12 mL) was heated in a sealed tube at 120°C for 8 h. The reaction mixture waspoured into ice-cold H20 (100 mL) and extracted with EtOAc (2 x 100 mL). The organic layer was washed with H20 (100 mL) and brine (100 mL), then separated, dried over anhydrous Na2SO4 and concentrated in vacuo. The crude residue was purified by crystallisation with DCM:hexanes (1:10, 100 mL) to afford the title compound (0.58 g, 52percent) as an off-white solid. OH (400 MHz, DMSO-d6) 7.64-7.74 (m, 1H), 8.24-8.36 (m, 1H), 8.53-8.60 (m, 1H), 13.77 (br s, 1H).

Computed Properties

Molecular Weight:185.11
XLogP3:1.9
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:5
Rotatable Bond Count:1
Exact Mass:185.01243577
Monoisotopic Mass:185.01243577
Topological Polar Surface Area:83.1
Heavy Atom Count:13
Complexity:227
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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