Didecyl Ether

AKA: 2456-28-2, 1-decoxydecane, Decane, Capric ether, 1'-Oxybisdecane, N-Decyl ether, Dicapryl ether
Synthetic
Skin Conditioner
Not Clean
OriginProduced from long-chain aliphatic alcohols or alkenes derived from petroleum or plant-based sources. Synthesized through ether linkage formation via etherification or condensation reactions between decyl alcohol molecules.
Decyl ether has been reported in Lonicera japonica with data available.
Formula
C20H42O
Mol. Weight
298.50
CAS #
2456-28-2
Form
Liquid
State
Low melting solid; [Alfa Aesar MSDS] Liquid; [Sigma-Aldrich MSDS]
Skin Types
●all-skin-types
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.
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
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2026
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR