Hexyl methacrylate

Hexyl methacrylate molecular structure
molecular structure · PubChem
AKA: 142-09-6, N-Hexyl methacrylate, Hexyl 2-methyl-2-propenoate, Methacrylic acid, Hexyl ester, 2-Propenoic acid, ENT 25419
Synthetic
Fragrance
Not Clean
N-hexyl methacrylate is a clear colorless liquid. (NTP, 1992)
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)
Functions
Perfuming
Added for scent. Can be natural or synthetic. Common irritant and allergen — one of the top reasons people react to products.
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.
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR