C12-15 Alkyl Ethylhexanoate

AKA: 90411-66-8, Hexanoic acid, C12-15-alkyl esters, Propyl 2-ethylhexanoate, N-PROPYL 2-ETHYLHEXANOATE, 172354-89-1
Synthetic
Emollient
Skin Conditioner
Clean
OriginDerived from linear alcohols and ethylhexanoic acid, both produced through petrochemical synthesis. Synthesized by esterification of C12-15 fatty alcohols with ethylhexanoic acid under catalytic conditions.
Hexanoic acid, 2-ethyl-, C12-15-alkyl esters
Formula
C11H22O2
Mol. Weight
186.29
CAS #
90411-66-8
Form
Liquid
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks In Moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on1–22%
Rinse-offNot reported
0%50%100%
CIR reported use · report published 2015
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR