1,3-Propanediol

At a glance

1,3‑Propanediol is a synthetic aliphatic diol produced via glycerol fermentation or petrochemical routes, used in perfumery as a humectant and solvent rather than a fragrance note.

Category
⚗️ Synthetic
Origin
Fermentation of glycerol (bio‑based) or petrochemical synthesis
Extraction
Chemical synthesis
Chemical family
Alcohol
CAS number
504-63-2
IFRA status
Not restricted
● drafted · last checked 2026-09-01