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
Hexanoic acid, 2-ethyl-, C12-15-alkyl esters
Formula
C11H22O2
Mol. Weight
186.29
CAS #
90411-66-8
Form
Liquid
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
Traditional Use
Synthetic ester developed in the mid-20th century as an emollient and conditioning agent. Designed to replace natural plant oils with a more stable, lightweight ingredient that provides smooth skin feel and improved cosmetic texture.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR