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4-Chlorobenzoic acid

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4-Chlorobenzoic acid Basic information
4-Chlorobenzoic acid Chemical Properties
  • Melting point:238-241 °C(lit.)
  • Boiling point:274-276 °C
  • Density 1.540
  • refractive index 1.5812 (estimate)
  • Flash point:238 °C
  • storage temp. room temp
  • solubility methanol: soluble1%, clear, colorless to faintly yellow
  • pka3.98(at 25℃)
  • form Crystalline Powder
  • color White to yellow
  • PH4.3 (0.08g/l, H2O, 20℃)
  • Water Solubility soluble in hot water
  • λmax284nm(EtOH)(lit.)
  • Merck 14,2125
  • BRN 907196
  • Stability:Stable. Combustible. Incompatible with bases, strong oxidizing agents.
  • InChIKeyXRHGYUZYPHTUJZ-UHFFFAOYSA-N
  • CAS DataBase Reference74-11-3(CAS DataBase Reference)
  • NIST Chemistry ReferenceBenzoic acid, 4-chloro-(74-11-3)
  • EPA Substance Registry Systemp-Chlorobenzoic acid (74-11-3)
Safety Information
MSDS
4-Chlorobenzoic acid Usage And Synthesis
  • Chemical Propertieswhite to light yellow crystal powder
  • UsesA benzoic acid analogue that showed antifungal activity against strains of Aspergillus flavus, Aspergillus fumigatus and Aspergillus terreus, causative agents of human aspergillosis, in in vitro bioas says. It is used as a preservative.
  • DefinitionChEBI: A monochlorobenzoic acid carrying a chloro substituent at position 4.
  • Synthesis Reference(s)Organic Syntheses, Coll. Vol. 2, p. 135, 1943
    Synthetic Communications, 25, p. 3695, 1995 DOI: 10.1080/00397919508015507
    Tetrahedron Letters, 22, p. 1013, 1981 DOI: 10.1016/S0040-4039(01)82853-7
  • General DescriptionTriclinic crystals or light fluffy white powder.
  • Air & Water ReactionsInsoluble in water.
  • Reactivity Profile4-Chlorobenzoic acid is incompatible with strong oxidizing agents and strong bases.
  • Fire HazardFlash point data for 4-Chlorobenzoic acid are not available; however, 4-Chlorobenzoic acid is probably combustible.
  • Purification MethodsPurify it as for m-chlorobenzoic acid. It has also been crystallised from hot water, and from EtOH. [Beilstein 9 IV 973.]
4-Chlorobenzoic acid Preparation Products And Raw materials
4-Chlorobenzoic acid(74-11-3)Related Product Information
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