Trimethylolpropane Trimethacrylate
AKA “3290-92-4, Acryester TMP, Chemlink 30, TMPTMA, Blemmer PTT, Light Ester TMP, Perkalink 400, NK Ester TMPT, Sartomer 350
Ingredient
Ingredient Facts
Trimethylolpropane trimethacrylate
AKA: 3290-92-4, Acryester TMP, Chemlink 30, TMPTMA, Blemmer PTT, Light Ester TMP, Perkalink 400, NK Ester TMPT, Sartomer 350
Ingredient · Film Forming · EWG: 5
Synthetic
Occlusive
Not Clean
2-Propenoic acid, 2-methyl-, 2-ethyl-2-[[2-methyl-1-oxo-2-propenyl)oxy]methyl]-1,3-propanediyl ester
Formula
C18H26O6
Mol. Weight
338.40
CAS #
3290-92-4
Form
Powder
State
Liquid; Dry Powder; NKRA
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
Traditional Use
A synthetic acrylate polymer developed in the mid-20th century for use in adhesives and coatings. In cosmetics, it is used as a film-forming agent in nail polishes and long-wear formulations.
Skin Types
all-skin-types
Best For
General
EWG
5
CIR
Safe as used
Pregnancy
CIR Safety Findings
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR