Isopropyl Arachidate
molecular structure · PubChem
AKA: Isopropyl icosanoate, 26718-90-1, Propan-2-yl icosanoate, Eicosanoic acid, 1-methylethyl ester, Isopropyl eyster, 1-Methylethyl eicosanoate
Synthetic
Emollient
Skin Conditioner
Not Clean
The CIR Expert Panel concluded that the alkyl esters, listed subsequently, are safe in the present practices of use and concentration described in this safety assessment when formulated to be non-irritating.
Formula
C23H46O2
Mol. Weight
354.60
CAS #
26718-90-1
Form
Oil
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
A synthetic ester developed as a lightweight emollient and conditioning agent in modern cosmetics. Designed to provide moisturizing benefits without a heavy or greasy feel.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR