Nonoxynol-9

Nonoxynol-9

AKA “ToDay, Delfen, 26571-11-9, Nonaethylene glycol nonylphenyl ether, Tergitol NP9, Nonylphenol octa(oxyethylene) ethanol, Nonoxinolum 9, Norfox np-9, Nonoxynol-9.5”

Surfactant

Ingredient Facts

Nonoxynol-9

AKA: ToDay, Delfen, 26571-11-9, Nonaethylene glycol nonylphenyl ether, Tergitol NP9, Nonylphenol octa(oxyethylene) ethanol, Nonoxinolum 9, Norfox np-9, Nonoxynol-9.5

Surfactant · Cleansing · EWG: 3

Synthetic

Cleanser

Emulsifier

Not Clean

Nonoxynol-9 is the ethoxylated alkyl phenol that conforms generally to the formula: (structure) where n has an average value of 9.

Solubility Soluble in water, ethanol, ehtylene glycol, ethylene dichloride, xylene, corn oil. Insolulble in Stoddard solvent, deodorized kerosene, low viscosity white mineral oil.

Formula

C33H60O10

Mol. Weight

616.80

CAS #

14409-72-4, 26027-38-3, 26571-11-9, 37205-87-1, 68412-54-4, 9016-45-9

Form

Liquid

State

Solid

See origin →

Functions

Cleansing

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

Emulsifying

Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.

Cleansing Surfactant

Emulsifier

Antioxidant Protection

Reduces Inflammation

Locks In Moisture

Removes Impurities

Mixes Oil & Water

Traditional Use

Nonionic surfactant developed in the mid-20th century, widely used as an emulsifier in cosmetics, skincare, and other personal care products. Also used as a spermicide in contraceptive preparations.