Tetrahydrofurfuryl Methacrylate
AKA “2455-24-5, Sartomer SR 203, 2-Propenoic acid, 2-methyl-, (tetrahydro-2-furanyl)methyl ester, Methacrylic acid tetrahydrofurfuryl ester, Tetrahydrofurfurylmethacrylate, Methacrylic acid, tetrahydrofurfuryl ester, SR 203, ACRYESTER THF, NSC-32634”
Ingredient
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Ingredient Facts
Tetrahydrofurfuryl methacrylate
AKA: 2455-24-5, Sartomer SR 203, 2-Propenoic acid, 2-methyl-, (tetrahydro-2-furanyl)methyl ester, Methacrylic acid tetrahydrofurfuryl ester, Tetrahydrofurfurylmethacrylate, Methacrylic acid, Tetrahydrofurfuryl ester, SR 203, ACRYESTER THF, NSC-32634
Ingredient · Film Forming · EWG: 4
Synthetic
Occlusive
Not Clean
2-Propenoic Acid, 2-Methyl-, (Tetrahydro-2-Furanyl)Methyl Ester
Effective at 22.4%
Formula
C9H14O3
Mol. Weight
170.21
CAS #
2455-24-5
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
Traditional Use
Synthetic polymer developed in the mid-20th century for cosmetic film-forming and styling applications. Used in hair and nail products to create lasting hold without traditional historical use.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
6.6%
38.2%
0%53%
Effective Range
CIR reported use: 6.6-10 | 20.6-38.2
Regulatory Agencies
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)
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)
Tetrahydrofurfuryl Methacrylate
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