murphySodium Tridecylbenzenesulfonate
molecular structure · PubChem
AKA: Sodium 2-tridecylbenzenesulfonate, Benzenesulfonic acid, Sodium salt (1:1), 925392-78-5, 26248-24-8
Synthetic
Cleanser
Not Clean
OriginSynthesized from tridecylbenzene and sulfuric acid or sulfur trioxide within the anionic surfactant chemical family. Produced through sulfonation of tridecylbenzene followed by neutralization with sodium hydroxide or sodium carbonate.
Sodium tridecylbenzenesulphonate
Formula
C19H31NaO3S
Mol. Weight
362.50
CAS #
26248-24-8
Form
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.
Surfactant Cleansing
Anti-Inflammatory
Antimicrobial
Fights Acne
Removes dirt and impurities
Creates cleansing foam
Lifts away dirt and oil
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.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Skin Irritant in Testing (CIR Panel on the ingredient group)
CIR Panel statement covering this group of ingredients / not tested individually (CIR 544)
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR