murphyNonoxynol-30
AKA: Ammonium 2-(4-nonylphenoxy)ethyl sulfate, 31691-97-1, Azanium;2-(4-nonylphenoxy)ethyl sulfate
Synthetic
Cleanser
Not Clean
OriginDerived from ethylene oxide and nonylphenol, members of the nonionic surfactant chemical family. Synthesized through ethoxylation, where ethylene oxide chains are added to nonylphenol through catalytic reaction.
Polyethylene Glycol (30) Nonyl Phenyl Ether Sulfate, Ammonium Salt
Formula
C17H31NO5S
Mol. Weight
361.50
CAS #
31691-97-1
Form
Liquid
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.
Removes Impurities
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory0 listings
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Mixed Eye Irritation Results
1 study / 1 mixed / reactions minimal (CIR 212)
Mixed Skin Irritation Results
1 study / 1 mixed / reactions mild (CIR 212)
Concentration Guide
CIR's newest survey reports no concentration of use.
CIR · 2014 survey
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR