Isodecyl Isononanoate
AKA “4X46Q4U00Z, WICKENOL 152, DERMOL 109, UNII-4X46Q4U00Z, AEC ISODECYL ISONONANOATE, Isononanoic acid, isodecyl ester, KAK 109, BRORPGSJXSLXKN-UHFFFAOYSA-N, EINECS 261-674-1
Emollient
Ingredient Facts
Isodecyl isononanoate
AKA: 4X46Q4U00Z, WICKENOL 152, DERMOL 109, UNII-4X46Q4U00Z, AEC ISODECYL ISONONANOATE, Isononanoic acid, Isodecyl ester, KAK 109, BRORPGSJXSLXKN-UHFFFAOYSA-N, EINECS 261-674-1
Emollient · Emollient · EWG: 1
Synthetic
Emollient
Skin Conditioner
Clean
Isodecyl 3,5,5-trimethylhexanoate
Effective at 29.51%
Formula
C17H34O2
Mol. Weight
270.50
CAS #
59231-35-5, 41395-89-5
Form
Liquid
See origin →
Functions
Antistatic
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
Modern synthetic ester developed as a light, silky emollient in cosmetic formulations, designed to provide non-greasy skin feel and improved spreadability.
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
0.02%
59.0%
0%83%
Effective Range
CIR reported use: 0.1-34 | 0.02-30 | 1-43.5 | 0.05-59
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR