Undecylenamidopropyl Betaine

AKA “EINECS 308-783-3, (Carboxymethyl)dimethyl(3-((1-oxoundecenyl)amino)propyl)ammonium hydroxide, (Carboxymethyl)dimethyl[3-[(1-oxoundecenyl)amino]propyl]ammonium hydroxide, RefChem:405991, 308-783-3, 98510-75-9”

Surfactant

Ingredient Facts

Undecylenamidopropyl betaine

AKA: EINECS 308-783-3, (Carboxymethyl)dimethyl(3-((1-oxoundecenyl)amino)propyl)ammonium hydroxide, (Carboxymethyl)dimethyl[3-[(1-oxoundecenyl)amino]propyl]ammonium hydroxide, RefChem:405991, 308-783-3, 98510-75-9

Surfactant · Cleansing · EWG: 1

Synthetic

Cleanser

Skin Conditioner

Hair Care

Plant Oil

Clean

(Carboxymethyl)dimethyl[3-[(1-oxoundecenyl)amino]propyl]ammonium hydroxide

Formula

C18H36N2O4

Mol. Weight

344.50

CAS #

98510-75-9

Form

Liquid

See origin →

Functions

Antistatic

Cleansing

Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.

Hair Conditioning

A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.

Skin Conditioning

A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.

Cleansing

Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.

Foam Boosting

Viscosity Controlling

Locks in moisture

Traditional Use

A modern synthetic amphoteric surfactant created from undecylenic acid and betaine. Designed for gentle cleansing in personal care products, combining antimicrobial properties with mildness to skin.