Gallacetophenone
Title: Gallacetophenone
CAS Registry Number: 528-21-2
CAS Name: 1-(2,3,4-Trihydroxyphenyl)ethanone
Additional Names: 2¢,3¢,4¢-trihydroxyacetophenone; Alizarine yellow C; C.I. 57000
Molecular Formula: C8H8O4
Molecular Weight: 168.15
Percent Composition: C 57.14%, H 4.80%, O 38.06%
Literature References: Prepn: Hart, Woodruff, J. Am. Chem. Soc. 58, 1957 (1936); Campbell, Coppinger, US 2686123 (1954 to U.S. Secy. Agr.); Knowles, US 2763691 (1956 to Kodak); Price, Israelstam J. Org. Chem. 29, 2800 (1964).
Properties: White to brownish-gray, cryst powder, mp 173°. uv max (methanol): 237, 296 nm (e 8560, 12,500). Sol in 600 parts cold water, more in hot water; sol in alcohol, ether, soln of sodium acetate.
Melting point: mp 173°
Absorption maximum: uv max (methanol): 237, 296 nm (e 8560, 12,500)
Use: Antiseptic.

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