Triisodecyl Trimellitate

Triisodecyl Trimellitate 1
molecular structure · PubChem CID 169794
AKA: 36631-30-8, Triisodecyl benzene-1, 2, 4-tricarboxylate, DUB TMI, 1, 4-Benzenetricarboxylic acid, 4-triisodecyl ester
Synthetic
Emollient
Skin Conditioner
Clean
OriginDerived from trimellitic acid and isodecyl alcohol, both petroleum-based synthetic chemicals. Synthesized through esterification reaction combining the acid and alcohol under catalytic conditions.
1,2,4-Benzenetricarboxylic acid, triisodecyl ester
Formula
C39H66O6
Mol. Weight
630.90
CAS #
36631-30-8
Form
Liquid
State
Liquid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
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
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.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Eye Irritant
1 study / 1 not irritating (CIR 690)
Skin Irritant in Testing
1 study / 1 irritating / reactions slight (CIR 690)
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR