Veratraldehyde
Title: Veratraldehyde
CAS Registry Number: 120-14-9
CAS Name: 3,4-Dimethoxybenzaldehyde
Additional Names: 3,4-dimethoxybenzenecarbonal; veratric aldehyde; protocatechualdehyde dimethyl ether
Molecular Formula: C9H10O3
Molecular Weight: 166.17
Percent Composition: C 65.05%, H 6.07%, O 28.88%
Literature References: Prepd by methylation of vanillin: Kostanecki, Tambor, Ber. 39, 4022 (1906); Buck, Org. Synth. 13, 102 (1933); Alt, US 3007968 (1957 to Monsanto); by oxidation of veratryl alcohol with chromium(VI) oxide-pyridine complex: Holum, J. Org. Chem. 26, 4814 (1961).
Properties: Needles from ether, petr ether, toluene, or carbon tetrachloride. Odor of vanilla beans; mp 42-43°; bp760 281°; bp53 201°; bp10 155°. Slightly sol in hot water; freely sol in alcohol and ether. Solns are oxidized to veratric acid under the influence of light.
Melting point: mp 42-43°
Boiling point: bp760 281°; bp53 201°; bp10 155°

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