Propanediol Dipelargonate



AKA: Pelemol P-99, Trimethylene dipelargonate, 1, 3-Propanediol, Dinonanoate, Nonanoic acid, Trimethylene ester, 3-propanediyl ester, Propanediol dipelargonate [INCI], 1'-(1, 3-propanediyl) ester
Synthetic
Emollient
Skin Conditioner
Not Clean
Nonanoic acid, 1,1'-(1,3-propanediiyl) ester
Formula
C21H40O4
Mol. Weight
356.50
CAS #
28267-33-6
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
Developed in the late 20th century as a synthetic ester. Designed as a lightweight emollient and sensory agent for modern cosmetic products.
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