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4'-Hydroxyacetophenone

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4'-Hydroxyacetophenone Basic information
4'-Hydroxyacetophenone Chemical Properties
Safety Information
MSDS
4'-Hydroxyacetophenone Usage And Synthesis
  • Chemical Propertiesalmost white to beige crystalline powder
  • Chemical PropertiesWhite to beige powder; sweet, hawthorn, balsam, mimosa aroma
  • OccurrenceReported found in cloudberry, coffee, cranberry, mango, sherry, and wort.
  • PreparationPreparation by Fries rearrangement of phenyl acetate with Lewis acids
    aluminium chloride
    in nitrobenzene at 20–25° or at 50–60°
    in chlorobenzene between 45° and 65°, sealed tube and subjected to high power microwave irradiation for 2 min only (36%)
    in nitroethane at 60° (44%)
    in carbon disulfide at 45° (40%)
    in petroleum ether at 50° (20%)
    but between 130° and 175° (40–60%)
    aluminium chloride–sodium chloride mixture at 240–250° (10%)
    boron trifluoride at 90° (56%)
    scandium tris(trifluoromethanesulfonate), in nitromethane, at 50° (39%)
    titanium tetrachloride at 90–100° (34%)
    ferric chloride at 65° (25%)
    zinc chloride at 125° (8%)
    hydrofluoric acid, between 20° and 100° (94%)
    polyphosphoric acid, between 20° and 100° (69%) (50–53%)(44%)
    Nafion-XR 500, sulfonic acid type at 100°
    ZSM-5, in sulfolane, at 180° (28%)
    H-ZSM-5 at 400° or at 210° (6%)
    H-Nu-2 at 170° (15%)
    HY (Si/Al = 3) or fluorided alumina (Al2O3-F; 3 % wt. F), at 400°.
  • DefinitionChEBI: A monohydroxyacetophenone carrying a hydroxy substituent at position 4'.
  • Aroma threshold valuesFloral type, medium strength odor; recommend smelling in a 10.00% solution or less.
  • Purification MethodsCrystallise it from diethyl ether, aqueous EtOH or *benzene/pet ether. [Beilstein 8 H 87, 8 IV 339.]
4'-Hydroxyacetophenone Preparation Products And Raw materials
4'-Hydroxyacetophenone(99-93-4)Related Product Information
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