Propylene Glycol Diundecanoate

AKA: Undecanoic acid, Propylene glycol diester, 1-methyl-1, 2-ethanediyl ester, 1'-(1-methyl-1, 2-ethanediyl) ester, PROPYLENE GLYCOL DIUNDECANOATE [INCI], Isopropylene undecanoate, 68227-47-4
Synthetic
Emollient
Occlusive
Skin Conditioner
Not Clean
OriginSynthesized from propylene glycol and undecanoic acid (an 11-carbon fatty acid), typically derived from petrochemicals or plant oils. Produced through esterification reaction, where propylene glycol reacts with undecanoic acid under heat and catalytic conditions.
Isopropylene undecanoate
Formula
C25H48O4
Mol. Weight
412.60
CAS #
68227-47-4
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Viscosity Controlling
Locks In Moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Restricted By
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2014
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
murphy