OCTANOHYDROXAMIC ACID
molecular structure · PubChem
AKA: N-Hydroxyoctanamide, 7377-03-9, Caprylohydroxamic acid, Octanamide, Caprylhydroxamic acid, Octanoylhydroxamic acid
Synthetic
Skin Conditioner
Acid
Not Clean
used as ruminal urease inhibitor; structure; RN given refers to unlabeled parent cpd
Mol. Weight
159.23
Form
Liquid
State
Liquid
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
An epidemic of allergic contact dermatitis caused by a new allergen, caprylhydroxamic acid, in moisturizers.
Ackermann L, Virtanen H, Korhonen L, Laukkanen A, Huilaja L et al.
Contact dermatitis, 2017
An epidemic of allergic contact dermatitis caused by a new allergen, caprylhydroxamic acid, in moisturizers.
Ackermann L, Virtanen H, Korhonen L, Laukkanen A, Huilaja L et al.
Contact dermatitis, 2017
Safety Assessment of Caprylhydroxamic Acid as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Caprylohydroxamic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
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Verified Jun 2026
Data: PubChem · CosIng