Methyl Methacrylate
AKA “80-62-6, methyl 2-methylprop-2-enoate, Methylmethacrylate, Pegalan, Methacrylic acid methyl ester, Methyl methylacrylate, Methyl 2-methylpropenoate, Acryester M, Diakon
Ingredient
Ingredient Facts
Methyl methacrylate
AKA: 80-62-6, Methyl 2-methylprop-2-enoate, Methylmethacrylate, Pegalan, Methacrylic acid methyl ester, Methyl methylacrylate, Methyl 2-methylpropenoate, Acryester M, Diakon
Ingredient · Anticaking · EWG: 4
Synthetic
Not Clean
2-Propenoic Acid, 2-Methyl, Methyl Ester
Solubility 1 to 10 mg/mL at 63.5 °F (NTP, 1992)
Formula
C5H8O2
Mol. Weight
100.12
CAS #
80-62-6
Form
Liquid
State
Methyl methacrylate monomer appears as a clear colorless liquid. Slightly soluble in water and floats on water. Vapors heavier than air. Vapors irritate the eyes and respiratory system. Containers mus
See origin →
Functions
Anticaking
Opacifying
Prevents Clumping
Adds Opacity
Wound Healing
Fights Bacteria
Reduces Inflammation
Creates creamy opacity
Traditional Use
A synthetic polymer developed in the early-to-mid 20th century, initially used in industrial applications and dentures. Adopted by cosmetics industry as a film-former and texture enhancer in nail and skin products.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
EWG
4
CIR
Reviewed by CIR
Pregnancy
Caution
CIR Safety Findings
all-shades-safe
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Final report of the Cosmetic Ingredient Review Expert Panel safety assessment of polymethyl methacrylate (PMMA), methyl methacrylate crosspolymer, and
Becker LC, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2011
Final report of the Cosmetic Ingredient Review Expert Panel safety assessment of polymethyl methacrylate (PMMA), methyl methacrylate crosspolymer, and
Becker LC, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2011
Final report of the Cosmetic Ingredient Review Expert Panel safety assessment of polymethyl methacrylate (PMMA), methyl methacrylate crosspolymer, and
Becker LC, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2011
Final report of the Cosmetic Ingredient Review Expert Panel safety assessment of polymethyl methacrylate (PMMA), methyl methacrylate crosspolymer, and
Becker LC, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2011
Final Report of the Cosmetic Ingredient Review Expert Panel Safety Assessment of Polymethyl Methacrylate (PMMA), Methyl Methacrylate Crosspolymer and Methyl Methacrylate/Glycol Dimethacrylate Crosspol
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Report Terminated: Methyl Methacrylate
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Butyldimethicone Methacrylate/Methyl Methacrylate Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
Ethylhexyl Acrylate/Methyl Methacrylate Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
Ethylhexyl Methacrylate/Methyl Methacrylate/VP Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
Methyl Methacrylate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Methyl methacrylate crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
Methyl Methacrylate/Glycol Dimethacrylate Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
Methyl Methacrylate/PEG/PPG-4/3 Methacrylate Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polymethyl Methacrylate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Methyl Methacrylate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Methyl methacrylate crosspolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Methyl Methacrylate/Glycol Dimethacrylate Crosspolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Polymethyl Methacrylate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Methyl methacrylate monomer
Health Canada
Health Canada Cosmetic Ingredient Hotlist
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR