4Hydroxy­benzaldehyde (parahydroxy­benzaldehyde) is an organic compound with the formula . Along with 2-hydroxybenzaldehyde and 3-hydroxybenzaldehyde, it is one of the three isomers of hydroxybenzaldehyde.
4Hydroxy­benzaldehyde (parahydroxy­benzaldehyde) is an organic compound with the formula . Along with 2-hydroxybenzaldehyde and 3-hydroxybenzaldehyde, it is one of the three isomers of hydroxybenzaldehyde.
== Synthesis, reactions, uses == 4-Hydroxybenzaldehyde is prepared by reaction of phenol with chloroform, which gives isomeric hydroxybenzal chlorides. Hydrolysis of the C-Cl bonds gives the aldehyde.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).