| Identification | Back Directory | [Name]
2,2'3,4,4'-PENTAHYDROXY BENZOPHENONE | [CAS]
92379-42-5 | [Synonyms]
2,2'3,4,4'-PENTAHYDROXY BENZOPHENONE
2,3,4,2',4'-PENTAHYDROXYBENZOPHENONE | [Molecular Formula]
C13H10O6 | [MDL Number]
MFCD00083041 | [MOL File]
92379-42-5.mol | [Molecular Weight]
262.21 |
| Hazard Information | Back Directory | [Preparation]
Preparation by reaction of 2,3,4-trihydroxybenzoic acid with resorcinol,
? in the presence of zinc chloride and phosphorous oxychloride at 70–80° for 1.5 h (65%) ;
? in the presence of zinc chloride and a mixture of polyphosphoric acid/85% phosphoric acid (60:40) at 27°. Then, during 2h, phosphorous trichloride was added between 27° and 37° and the mixture heated at 60° for 16h. |
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