Hexyl methacrylate

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
OriginHexyl methacrylate is synthesized from methacrylic acid and hexanol, both petroleum-derived chemicals. It is produced through esterification, combining the acid and alcohol under catalytic conditions to form the ester linkage.
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)
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
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
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.
EWG
4
CIR
Safe as used
Pregnancy
Caution
Concentration Guide
CIR's newest survey reports no concentration of use.
CIR · 2020 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR