Sodium Octoxynol-9 Sulfate

AKA: Triton X-301, 12627-38-2, Sodium;2-[4-(2, 4, 4-trimethylpentan-2-yl)phenoxy]ethyl sulfate, Sodium 2-[4-(2
Synthetic
Cleanser
Emulsifier
Not Clean
OriginDerived from coconut or palm oil fatty alcohols and ethylene oxide, creating a petrochemical-derived surfactant compound. Synthesized through ethoxylation of octylphenol followed by sulfation to create the anionic surfactant.
Poly(oxy-1,2-ethanediyl), .alpha.-sulfo-.omega.-[4-(1,1,3,3-tetramethylbutyl)phenoxy]-, sodium salt (9 mol EO average molar ratio)
Formula
C16H25NaO5S
Mol. Weight
352.40
CAS #
12627-38-2
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
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
Lifts away dirt and oil
Mixes oil and water
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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