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4-Anisaldehyde

4-Anisaldehyde (p-anisaldehyde, anisic aldehyde, or anise aldehyde) is an organic compound that is commonly encountered in fragrances, both synthetic and natural. The compound consists of a benzene ring with an aldehyde and a methoxy group. It is a clear liquid with a strong aroma. Two related isomers, ortho-anisaldehyde and meta-anisaldehyde, are also known but less commonly encountered. It provides sweet, floral and strong aniseed odor.

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Further Information

Names

Preferred IUPAC name: 4-Methoxybenzaldehyde

Systematic IUPAC name4-Methoxybenzenecarbaldehyde

Identifiers

CAS Number: 123-11-5

JSmol: Interactive image

ChEMBL: ChEMBL161598

ChemSpider: 28984

ECHA InfoCard: 100.004.185

PubChem: 31244

UNII: 9PA5V6656V

Properties

Chemical formula: C8H8O2

Molar mass: 136.15 g·mol

Density: 1.119 g/cm3

Melting point: −1 °C (30 °F; 272 K)

Boiling point: 248 °C (478 °F; 521 K)

Hazards

Flash point: 108 °C (226 °F; 381 K)

Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).