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
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
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.
EWG
4
CIR
Reviewed by CIR
Pregnancy
Caution
CIR Safety Findings
all-shades-safe
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
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