p-Anisaldehyde Basic information
Product Name: p-Anisaldehyde
Synonyms: Aubépine ;4-Methoxybenzaldehyde/p-Anisaldehyde;4-Methoxybenzylaldehyde;Anisaldehyde 98+ %;AnisaldehydeMetoxybenzaldehyd;p-methoxybezaldehyde;P-methyoxybenzaldehyde;ANISALDEHYDE, STANDARD FOR GC
CAS: 123-11-5
MF: C8H8O2
MW: 136.14792
EINECS: 204-602-6
Product Categories: -;Aromatic Aldehydes & Derivatives (substituted);Functional Materials;TLC Stains;Benzaldehyde (Building Blocks for Liquid Crystals);Building Blocks for Liquid Crystals;Analytical Chemistry;A;Stains and Dyes;Stains&Dyes, A to;aldehyde;Synthetic Flavours & Fragrances
p-Anisaldehyde Usage
Description p-Methoxybenzaldehyde has a characteristic hawthorne odor and a pungent, anise-like flavor. It has a bitter flavor above 30 – 40 ppm. May be prepared by methylation and oxidation of p-cresol and also by oxidation of anethole.
Chemical Properties clear colorless to pale yellowish liquid
Chemical Properties p-Anisaldehyde occurs in many essential oils, often together with anethole. It is a colorless to slightly yellowish liquid with a sweet, mimosa, hawthorn odor. p-Anisaldehyde can be hydrogenated to anise alcohol and readily oxidizes to anisic acid when exposed to air. Synthetic routes to anisaldehyde start from p-cresyl methyl ether, which is oxidized, for example, by manganese dioxide or by oxygen or peroxy compounds in the presence of transition metal catalysts .
Another industrial process uses electrochemical oxidation in the presence of lower aliphatic alcohols via the corresponding anisaldehyde dialkyl acetal . Anisaldehyde may also be produced by methylation of 4-hydroxybenzaldehyde, which is easily obtained by oxidation of p-cresol or by Vilsmeier formylation of anisol.
Uses Perfumery and toilet soaps; odor resembles that of coumarin, but the aldehyde must be mixed with other odorous substances to yield an agreeable odor. Also used in organic syntheses.
Uses p-Anisaldehyde is a flavoring agent that is a colorless or faintly yellow liquid, hawthorn-like odor. It is miscible in alcohol, ether, and most fixed oils, soluble in propylene glycol, insoluble in glycerin, water, and mineral oil. It is obtained by synthesis. It is also termed anise aldehyde and p-methoxybenzaldehyde.



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