Nonoxynol-5
molecular structure · PubChem
AKA: 4-Methoxypicolinamide, 90151-10-3, 4-methoxypyridine-2-carboxamide, 4-Methoxy-pyridine-2-carboxylic acid amide, 9014-93-1, 4-Methoxypyridine-2-carboxylic acid amide, 2-Pyridinecarboxamide
Synthetic
Cleanser
Emulsifier
Not Clean
Poly(oxy-1,2-ethanediyl), .alpha.-(dinonylphenyl)-.omega.-hydroxy- (5 mol EO average molar ratio)
Formula
C7H8N2O2
Mol. Weight
152.15
CAS #
9014-93-1
Form
Liquid
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Emulsifier
Mixes Oil & Water
Traditional Use
Nonionic surfactant polymer developed in the mid-20th century. Used in cosmetics as an emulsifying and solubilizing agent.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory0 listings
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR