Resacetophenone
Title: Resacetophenone
CAS Registry Number: 89-84-9
CAS Name: 1-(2,4-Dihydroxyphenyl)ethanone
Additional Names: 2¢,4¢-dihydroxyacetophenone
Molecular Formula: C8H8O3
Molecular Weight: 152.15
Percent Composition: C 63.15%, H 5.30%, O 31.55%
Literature References: Made by heating resorcinol, glacial acetic acid, and anhydr zinc chloride at 145-150°: Cooper, Org. Synth. 21, 103 (1941); from resorcinol, acetic anhydride and boron trifluoride: Killelea, Lindwall, J. Am. Chem. Soc. 70, 428 (1948).
Properties: Needles or leaflets, mp 145-147°. Gradually dec by water; sol in pyridine, in warm alcohol, in glacial acetic acid; practically insol in benzene, ether, chloroform.
Melting point: mp 145-147°
Use: Reagent for iron as a 10% alcoholic soln. A red color is obtained with ferric ions in slightly acid soln: Cooper, Ind. Eng. Chem. Anal. Ed. 9, 334 (1937).

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