Sorbitan Sesquicaprylate

AKA: Octanoate (2:3), DRDLXVUYNXNFPO-GQYPCLOQSA-N, 91844-53-0
Synthetic
Cleanser
Skin Conditioner
Clean
OriginTypically derived from coconut or palm kernel oils through extraction of fatty acids. Synthesized by esterification of sorbitol with caprylic acid, then partially dehydrated to form sorbitan esters.
Sorbitan Sesquicaprylate is a mixture of mono and diesters of Caprylic Acid and hexitol anhydrides derived from sorbitol
Formula
C14H28O8
Mol. Weight
324.37
CAS #
91844-53-0
Form
Powder
State
Pellets or Large Crystals, Liquid, Other Solid
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.
Viscosity Controlling
Locks in moisture
The paper trail
🔬Peer-reviewednone on file
⚖️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
CIR Safety Findings
Not a Skin Irritant
1 study / 1 not irritating (CIR 682)
Not a Sensitizer
1 study / 1 not sensitizing (CIR 682)
Mixed Eye Irritation Results
3 studies / 1 irritating / 1 mixed / 1 not irritating / reactions slight (CIR 682)
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2019
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR