Title: 5-Acetyl-2-methoxybenzaldehyde
CAS Registry Number: 531-99-7
Additional Names: 3-Acetyl-6-methoxybenzaldehyde
Molecular Formula: C10H10O3
Molecular Weight: 178.18
Percent Composition: C 67.41%, H 5.66%, O 26.94%
Literature References: A natural plant growth inhibitor found in the leaves of Encelia farinosa A. Gray, Compositae. Isoln and synthesis from 3-acetyl-6-methoxybenzonitrile: Gray, Bonner, J. Am. Chem. Soc. 70, 1249 (1948).
Properties: Needles from alcohol or ether, mp 144°. Sublimes without decomp. Emits fragrant odor on prolonged heating. Sol in hot water, warm ether, alcohol, benzene, chloroform. Practically insol in cold water, 5% HCl, 5% NaOH, petr ether, carbon tetrachloride. Sol with orange color in concd mineral acids.
Melting point: mp 144°
Status: This monograph has been retired and is no longer subject to revision or update.

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