Isobutyl Pelargonate
molecular structure · PubChem
AKA: Isobutyl nonanoate, 30982-03-7, AI3-33733, AEC ISOBUTYL PELARGONATE, NONANOIC ACID, 2-METHYPROPYL ESTER
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
C13H26O2
Mol. Weight
214.34
CAS #
30982-03-7
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 created as a cosmetic ingredient in the mid-20th century. Formulated to provide emollient and skin-conditioning benefits in cosmetic products with improved stability compared to natural alternatives.
Skin Types
●all-skin-types
Best For
Dryness
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