4-Methoxybenzaldehyde diethyl acetal

At a glance

Synthetic diethyl acetal of 4‑methoxybenzaldehyde (anisaldehyde), made by acetalisation with ethanol; gives a sweet, honey‑like, mildly floral aldehydic scent and is used as a modifier/fixative in fine fragrances.

Category
⚗️ Synthetic
Origin
Synthetic, derived from 4‑methoxybenzaldehyde (anisaldehyde)
Extraction
Chemical synthesis
Chemical family
Aldehyde
CAS number
2403-58-9
IFRA status
Not restricted
● drafted · last checked 2026-09-01