Octadecane

At a glance

A saturated C18 alkane derived from petroleum; odorless and waxy, it serves as a neutral base and fixative in perfumery. It is valued by perfumers for this distinctive character and used as a building block within larger fragrance compositions.

Category
โš—๏ธ Synthetic
Origin
Petroleum-derived
Extraction
Chemical synthesis
Chemical family
Alkane
CAS number
593-45-3
IFRA status
Not restricted
โ— drafted ยท last checked 2026-09-01