Propylene Carbonate

Propylene Carbonate molecular structure
molecular structure · PubChem
AKA: 108-32-7, 4-Methyl-1, 3-dioxolan-2-one, 1, 2-Propylene carbonate, 2-Propanediol cyclic carbonate, Arconate 5000, Texacar PC, Cyclic propylene carbonate, 2-Propanediol carbonate, 3-Dioxolan-2-one
Synthetic
Solvent
Clean
Propylene carbonate has been reported in Solanum lycopersicum with data available.
Solubility In water, 1.75X10+5 mg/L at 25 °C
Formula
C4H6O3
Mol. Weight
102.09
CAS #
108-32-7
Form
Liquid
State
Liquid
Functions
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Viscosity Controlling
Dissolves Ingredients
Controls Viscosity
Dissolves other ingredients
Controls product thickness
Traditional Use
Synthesized in the mid-20th century as an organic solvent. Adopted by the cosmetics industry from the 1960s onward as a solvent and humectant in skincare formulations, valued for its ability to dissolve active ingredients and retain moisture.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
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Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR