Category
Chemical Primary Standard
CAS Number
123-08-0
Molecular Formula
C7H6O2
Molecular Weight
122.12 g/mol
Synonym

p-hydroxybenzaldehyde; 4-Formylphenol; Parahydroxybenzaldehyde; p-Formylphenol; p-Hydroxybenzaldehyde; p-Oxybenzaldehyde;

Keywords
Miscellaneous compounds
Slide_1

4-Hydroxybenzaldehyde is an aromatic aldehyde with a hydroxyl group at the para position, making it a reactive phenolic compound. It is widely used in pharmaceuticals, perfumes, and organic synthesis as an intermediate for flavors, dyes, antioxidants, and bioactive molecule production.