← Home

Is 1,5-Pentanediol vegan?

1,5-Pentanediol

Vegan

1,5-Pentanediol is an organic diol with the formula HO(CH2)5OH, produced synthetically. It is a viscous, colorless liquid used as a plasticizer, humectant and solvent, and as a building block for polyesters used in emulsifiers and resin intermediates.

Also known as Pentamethylene glycol, Pentane-1,5-diol
INCI name 1,5-Pentanediol
CAS number 111-29-5
EC number 203-854-4
CosIng ID 81397
Last reviewed 9 July 2026

Sources

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.