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• CAS 99-93-4 4'-Hydroxyacetophenone

  Preparation Preparation 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°.

  
  

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Product Introduction:

Product Name: 4'-Hydroxyacetophenone

Synonyms: 1-(4-hydroxyphenyl)-ethanon;4’-hydroxy-acetophenon;4-Hydroksyacetofenol;Acetophenone, p-hydroxy-;Ethanone, 1-(4-hydroxyphenyl)-;Hydroxyacetophenone, para;HYDROXYACETOPHENONE-4;HYDROXYBENZOPHENONE-4

CAS: 99-93-4

MF: C8H8O2

MW: 136.15

EINECS: 202-802-8

Product Categories: Pyridines;Pharmaceutical intermediates for Choleretic and Salbutamol;Eczema, medicine and other organic synthesis intermediates;Aromatics;Miscellaneous Reagents;Aromatic Acetophenones & Derivatives (substituted);FINE Chemical & INTERMEDIATES;Acetophenone Series;Carbonyl Compounds;AcetophenoneCarbonyl Compounds;C7 to C8;Ketones;Organic Photoinitiators;Polymerization Initiators;bc0001;99-93-4;1

form Crystalline Powder

pka 8.05(at 25℃)

color Almost white to beige