Hexyl methacrylate
AKA “N-Hexyl methacrylate, Hexyl 2-methyl-2-propenoate, Methacrylic acid, hexyl ester, 2-Propenoic acid, ENT 25419, NSC-24169”
Synthetic
Ingredient Facts
Hexyl methacrylate
AKA: N-Hexyl methacrylate, Hexyl 2-methyl-2-propenoate, Methacrylic acid, Hexyl ester, 2-Propenoic acid, ENT 25419, NSC-24169
Synthetic · Film Forming · EWG: 4
Synthetic
Occlusive
Fragrance
Synthetic
Clean
A synthetic fragrance component that adds a subtle scent layer to the product, helping create and maintain the overall fragrance profile.
Solubility Slightly soluble (NTP, 1992)
Formula
C10H18O2
Mol. Weight
170.25
CAS #
142-09-6
Form
Liquid
State
N-hexyl methacrylate is a clear colorless liquid. (NTP, 1992)
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Fragrance
Added for scent. Can be natural or synthetic. Common irritant and allergen — one of the top reasons people react to products.
Plasticizer
Viscosity Control
Adds Fragrance
Traditional Use
A synthetic polymer ingredient developed for cosmetic film-forming applications. Used to create long-wear or waterproof properties in makeup and personal care products.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Caution
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR