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CAS No 456-22-4 , 4-fluorobenzoic acid

  • Name: 4-fluorobenzoic acid
  • Synonyms: 456-22-4; 4-Fluorobenzoate; 4-fluoro-;4-fluorobenzoic acid; Benzoic acid; p-fluoro-;p-Fluorobenzoic acid; 4-fluoro-benzoic acid;
  • CAS Registry Number:
  • Transport: 25gs in d
  • Melting Point: 182-184 ºC
  • Density: 1.479
  • Refractive index: 1.537
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • HS Code: 29163900
  • EINECS: 207-259-0
  • Molecular Weight: 140.111803
  • InchiKey: BBYDXOIZLAWGSL-UHFFFAOYSA-N
  • InChI: InChI=1S/C7H5FO2/c8-6-3-1-5(2-4-6)7(9)10/h1-4H,(H,9,10)
  • Risk Statements: S22;S24/25
  • Molecular Formula: C7H5FO2
  • Molecular Structure:CAS No:456-22-4 4-fluorobenzoic acid

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456-22-4 4-Fluorobenzoic acid

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References of 4-fluorobenzoic acid
Title: p-Fluorobenzoic Acid
CAS Registry Number: 456-22-4
Molecular Formula: C7H5FO2
Molecular Weight: 140.11
Percent Composition: C 60.01%, H 3.60%, F 13.56%, O 22.84%
Literature References: Prepd by treating p-carbethoxybenzenediazonium chloride with fluoboric acid, followed by thermal decompn of the resulting p-carbethoxybenzenediazonium fluoborate and by hydrolysis of the ensuing ethyl ester of p-fluorobenzoic acid: Schiemann, Winkelmüller, Org. Synth. 13, 52 (1933).
Properties: Monoclinic prisms from water. Peculiar sweet taste. mp 182.6°. Sparingly sol in cold water; freely sol in hot water. Soly in water at 32°: 1.1 g/l. Water solns evaporate without leaving a residue. Sol in alc, ether. pK (25°): 3.85.
Melting point: mp 182.6°
pKa: pK (25°): 3.85
 
Derivative Type: Ethyl ester
Molecular Formula: C9H9FO2
Molecular Weight: 168.16
Percent Composition: C 64.28%, H 5.39%, F 11.30%, O 19.03%
Properties: Crystals, mp 26°. bp 210°.
Melting point: mp 26°
Boiling point: bp 210°