Nonoxynol-1

AKA: 37205-87-1, Marlophen NP 6, Marlophen NP 8, Marlophen NP 10, Marlophen NP 12, Neonol AF 9, Neonol AF 10, Neonol AF9 10A, Neonol AF9 12A
Synthetic
Preservative
Not Clean
OriginDerived from ethylene oxide and nonylphenol, members of the alkylphenol ethoxylate chemical family. Synthesized through ethoxylation, where ethylene oxide is added to nonylphenol under catalytic conditions.
Nonoxynol-12 Iodine is a complex of Nonoxynol-12 and iodine
Formula
C17H28O
Mol. Weight
248.40
CAS #
-
Form
Liquid
State
Colorless to yellowish liquid; [BASF MSDS]
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Functions
Antimicrobial
Keeps your product from growing bacteria, mold, or yeast. Without these, that jar of cream becomes a petri dish in about a week.
Fights Bacteria
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
Concentration Guide
CIR's newest survey reports no concentration of use.
CIR · 2014 survey
Regulatory Status
USA✔ permitted
EU✔ permitted
JAPAN✔ permitted
CANADA✔ permitted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR