Triethylhexyl Trimellitate
molecular structure · PubChem
AKA: 3319-31-1, TRIS(2-ETHYLHEXYL) TRIMELLITATE, Totm, Tri-2-ethylhexyl trimellitate, Staflex TOTM, Morflex 510, Hatcol 200, Trimex T 08, 1, 2, 4-Benzenetricarboxylic acid, Tris(2-ethylhexyl) ester, Monosizer W710L
Synthetic
Emollient
Skin Conditioner
Clean
1,2,4-Benzenetricarboxylic acid, tris(2-ethylhexyl) ester
Solubility less than 1 mg/mL at 68 °F (NTP, 1992)
Formula
C33H54O6
Mol. Weight
546.80
CAS #
3319-31-1
Form
Liquid
State
Tris(2-ethylhexyl) trimellitate is a yellow oily liquid. (NTP, 1992)
Functions
Plasticiser
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks In Moisture
Traditional Use
Synthetic ester developed as a cosmetic emollient and plasticizer, used to enhance texture and conditioning properties in skincare and color cosmetics.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR