Dioctyl Sodium Sulfosuccinate

AKA: Sodium dioctyl sulfosuccinate, Sodium di-n-octyl sulfosuccinate, Dioctyl sodiosulfosuccinate, Sodium bis(octyl)sulfosuccinate, Sodium O, O-dioctylsulfosuccinic acid, Sodium sulfosuccinic acid dioctyl ester, Sulfosuccinic acid 1, 4-dioctyl ester sodium salt, Dioctyl sulfosuccinate, Sodium salt
Synthetic
Clean
The CIR Expert Panel concluded that the following 8 dialkyl sulfosuccinate salts are safe in the present practices of use and concentration in cosmetics in this safety assessment when formulated to be non-irritating...Dicapryl Sodium Sulfosuccinate...
Formula
C20H37NaO7S
Mol. Weight
444.60
CAS #
1639-66-3
Form
Liquid
State
Dioctyl sodium sulfosuccinate is an odorless colorless to white waxy solid. Sinks and mixes slowly with water. (USCG, 1999)
Functions
Absorbent
Viscosity Controlling
Antioxidant Protection
Locks In Moisture
Fights Bacteria
Traditional Use
A synthetic surfactant and emulsifier developed in the mid-20th century. Used in cleansing products as a gentle detergent; no traditional medicinal use.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper
⚖️Regulatory0 listings
🛡️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