Dipropyl Carbonate
molecular structure · PubChem
AKA: Carbonic acid, Dipropyl ester, N-Propyl carbonate, Di-n-propylcarbonate, Di-n-propyl carbonate, ORISTAR PCB
Synthetic
Skin Conditioner
Not Clean
The CIR Expert Panel concluded that the following 6 dialkyl carbonates are safe in the present practices of use and concentration, as described in this safety assessment, when formulated to be non-irritating...Dipropyl Carbonate...
Formula
C7H14O3
Mol. Weight
146.18
CAS #
623-96-1
Form
Powder
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
Traditional Use
A modern synthetic carbonate ester developed for cosmetics as a solvent and emollient. Created in the late 20th century to provide specific performance characteristics in formulations.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
Dermal absorption: 99.9%. Source: CIR Safety Assessment (CIR Seq 723).
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
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