?2,4-Dihydroxyacetophenone (CAS NO.89-84-9) is also named as 1-(2,4-Dihydroxyphenyl)ethanone ; 2,4-Dihydroxyacetophenone ; 4-08-00-01792 (Beilstein Handbook Reference) ; 4-Acetylresorcinol ; AI3-00866 ; BRN 1282505 ; NSC 10883 ; Resacetophenone ; Resoacetophenone ; Resorcinol, 4-acetyl- ; UNII-UC3V356VZC?.?2,4-Dihydroxyacetophenone (CAS NO.89-84-9) is yellow-brown to reddish-brown fine cryst. It is soluble in hot alcohol, pyridine, and glacial acetic acid, almost insoluble in ether, benzene and chloroform.