Propylene Glycol Heptanoate

AKA: 2-Hydroxypropyl heptanoate, 7249-54-9, CAPMUL 907P, PROPYLENE GLYCOL 1-HEPTANOATE
Synthetic
Cleanser
Skin Conditioner
Clean
OriginSynthesized from propylene glycol and heptanoic acid (a seven-carbon fatty acid) through esterification. Produced by chemically combining propylene glycol with heptanoic acid under catalytic conditions to form the ester compound.
Ester of propylene glycol and heptanoic acid
Formula
C10H20O3
Mol. Weight
188.26
CAS #
57-55-6
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Locks in moisture
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.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2014
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR