Propylene Glycol Dicaprylate

AKA: 7384-98-7, Propylene glycol dioctanoate, 1, 2-Dicaprylin, Octanoic acid, 1-methyl-1, 2-ethanediyl ester, 2-PROPYLENE GLYCOL DICAPRYLATE, FEMA NO. 4471, 1'-(1-methyl-1, 2-ethanediyl) ester
Synthetic
Emollient
Skin Conditioner
Clean
OriginSynthesized from propylene glycol and caprylic acid (an 8-carbon fatty acid), typically derived from coconut or palm oil sources. Produced through esterification, where propylene glycol reacts with caprylic acid under catalytic conditions to form the ester.
The CIR Expert Panel concluded that the following ingredients are safe in the present practices of use and concentration described in this safety assessment in cosmetics when formulated to be non-irritating...Propylene Glycol Dicaprylate...
Solubility Practically insoluble or insoluble in water
Formula
C19H36O4
Mol. Weight
328.50
CAS #
7384-98-7
Form
Powder
State
Clear colourless liquid; Rich fatty fruity aroma
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
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-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed3 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-on0.0042–1.2%
Rinse-off0.084%
0%50%100%
CIR reported use · 2014 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR