Sodium Trideceth Sulfate

AKA: Ethanol, Hydrogen sulfate, Sodium salt, 25446-78-0, Sodium trideceth-3 sulfate, Sodium;2-[2-(2-tridecoxyethoxy)ethoxy]ethyl sulfate, Sodium 2-[2-[2-(tridecyloxy)ethoxy]ethoxy]ethyl sulphate
Synthetic
Cleanser
Emulsifier
Clean
OriginDerived from fatty alcohols and ethylene oxide, belonging to the anionic surfactant chemical family. Synthesized through ethoxylation of tridecyl alcohol followed by sulfation with sulfur trioxide or chlorosulfonic acid.
Poly(oxy-1,2-ethanediyl), .alpha.-sulfo-.omega.-(tridecyloxy)-, sodium salt (1-4 mol EO average molar ratio)
Formula
C19H39NaO7S
Mol. Weight
434.60
CAS #
25446-78-0
Form
Liquid
State
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Foaming
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Surfactant Cleansing
Surfactant Emulsifying
Anti-Inflammatory
Antimicrobial
Fights Acne
Removes dirt and impurities
Creates cleansing foam
Lifts away dirt and oil
Mixes oil and water
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
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