Arachidyl Behenate

AKA: Icosyl docosanoate, Eicosanyl docosanoate, Behenic acid, Arachidyl ester, Docosanoic acid, Eicosyl ester, Eicosyl behenate, Arachicyl behenate, Behenic acid arachidyl ester
Synthetic
Emollient
Skin Conditioner
Clean
OriginDerived from long-chain fatty acids, typically from plant oils like coconut or palm sources. Synthesized through esterification of arachidyl alcohol and behenic acid fatty acids.
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
C42H84O2
Mol. Weight
621.10
CAS #
42233-14-7
Form
Powder
State
Solid; [Sigma-Aldrich MSDS]
Skin Types
●all-skin-types, gentle
Best For
Dryness
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.
Viscosity Controlling
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-on0.3–4%
Rinse-offNot reported
0%50%100%
CIR reported use · 2012 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR