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Ethoxyethyl Methacrylate
AKA “2-Ethoxyethyl methacrylate, 2370-63-0, 2-Propenoic acid, 2-methyl-, 2-ethoxyethyl ester, 2-ethoxyethyl 2-methylprop-2-enoate, Methacrylic acid, ETHOXYETHYLMETHACRYLATE, 2-Ethoxyethyl Methacrylate (stabilized with MEHQ), 51289-08-8, MFCD00009249”
Ingredient
Ingredient Facts
Ethoxyethyl methacrylate
AKA: 2-Ethoxyethyl methacrylate, 2370-63-0, 2-Propenoic acid, 2-methyl-, 2-ethoxyethyl ester, 2-ethoxyethyl 2-methylprop-2-enoate, Methacrylic acid, ETHOXYETHYLMETHACRYLATE, 2-Ethoxyethyl Methacrylate (stabilized with MEHQ), 51289-08-8, MFCD00009249
Ingredient · Film Forming · EWG: 4
Synthetic
Occlusive
Not Clean
2-Propenoic Acid, 2-methyl-, 2-Ethoxyethyl Ester
Formula
C8H14O3
Mol. Weight
158.19
CAS #
51289-08-8
Form
Liquid
State
Liquid
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Creates Protective Barrier
Skin Types
●all-skin-types
Best For
General
EWG
4
CIR
Reviewed by CIR
Pregnancy
—
CIR Safety Findings
Not a Sensitizer
all-shades-safe
Regulatory Status
USAunder review
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Final Report on the Safety Assessment of 2-Methyl-5-Hydroxyethylaminophenol
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
Final Report on the Safety Assessment of Methacrylic Acid
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
2-Methyl-5-Hydroxyethylaminophenol
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
C8-22 Alkyl Acrylates/Methacrylic Acid Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Ethoxyethyl Methacrylate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Methacrylic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Methacrylic Acid/Styrene/VP Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG/PPG-5/2 Methacrylate/Methacrylic Acid Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
2-Methyl-1-Phenyl-2-Propanol
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
2-Methyl-5-Hydroxyethylaminophenol
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
C8-22 Alkyl Acrylates/Methacrylic Acid Crosspolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Methacrylic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
2-Methyl-m-phenylenediamine
Health Canada
Health Canada Cosmetic Ingredient Hotlist
→
Methacrylic acid
Health Canada
Health Canada Cosmetic Ingredient Hotlist
→
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR