Undecanoic Acid

Undecanoic Acid

AKA “112-37-8, Hendecanoic acid, Undecylic acid, n-Undecanoic acid, n-Undecoic acid, n-Undecylic acid, Undecoic acid, 1-Decanecarboxylic acid, NSC-7885”

Acid

Ingredient Facts

Undecanoic acid

AKA: 112-37-8, Hendecanoic acid, Undecylic acid, N-Undecanoic acid, N-Undecoic acid, N-Undecylic acid, Undecoic acid, 1-Decanecarboxylic acid, NSC-7885

Acid · Cleansing · EWG: 4

Synthetic

Cleanser

Emulsifier

Acid

Not Clean

Undecanoic acid is a straight-chain, eleven-carbon saturated medium-chain fatty acid found in body fluids; the most fungitoxic of the C7:0 - C18:0 fatty acid series. It has a role as an antifungal agent and a human metabolite. It is a straight-chain saturated fatty acid and a medium-chain fatty acid. It is a conjugate acid of an undecanoate. It derives from a hydride of an undecane.

Solubility 0.0522 mg/mL

Formula

C11H22O2

Mol. Weight

186.29

CAS #

112-37-8

Form

Liquid

State

Undecanoic acid is a white crystalline solid. Insoluble in water. Specific gravity 0.85. Hence floats on water.

See origin →

Functions

Anti-Sebum

Cleansing

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

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.

Anti Sebum

Surfactant Cleansing

Traditional Use

A saturated fatty acid first synthesized in the early 20th century. It was developed for use in cosmetics and personal care as a preservative and antimicrobial agent, with origins in synthetic chemistry rather than traditional use.