Trideceth-3
molecular structure · PubChem
AKA: Triethylene glycol monotridecyl ether, 4403-12-7, Tridecyl alcohol di(oxyethylene) ethanol, TRIDECYL PEG-3, JEECOL TDA-3, PEG-3 TRIDECYL ETHER, MARLIPAL O 13/30
Synthetic
Cleanser
Emulsifier
Clean
OriginDerived from coconut or palm oil fatty alcohols, belonging to the ethoxylated alcohol surfactant chemical family. Synthesized through ethoxylation, where ethylene oxide is added to tridecyl alcohol to create the polyethylene glycol ether.
2-[2-[2-(tridecyloxy)ethoxy]ethoxy]ethanol; Isotridecanol, ethoxylated
Formula
C19H40O4
Mol. Weight
332.50
CAS #
4403-12-7, 24938-91-8, 69011-36-5
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.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
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
2
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-onNot reported
Rinse-off4%
0%50%100%
CIR reported use · report published 2012
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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