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Nonoxynol-5
AKA “4-Methoxypicolinamide, 90151-10-3, 4-methoxypyridine-2-carboxamide, 4-Methoxy-pyridine-2-carboxylic acid amide, MFCD00955999, 9014-93-1, 4-Methoxypyridine-2-carboxylic acid amide, 2-Pyridinecarboxamide, 4-methoxy-, SCHEMBL2624147, SCHEMBL3355639”
Surfactant
Ingredient Facts
Nonoxynol-5
AKA: 4-Methoxypicolinamide, 90151-10-3, 4-methoxypyridine-2-carboxamide, 4-Methoxy-pyridine-2-carboxylic acid amide, MFCD00955999, 9014-93-1, 4-Methoxypyridine-2-carboxylic acid amide, 2-Pyridinecarboxamide, 4-methoxy-, SCHEMBL2624147, SCHEMBL3355639
Surfactant · Emulsifying · EWG: 4
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
See origin →
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
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
medical-approval
all-shades-safe
Moderate Irritant
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR