Triisodecyl Trimellitate

Triisodecyl Trimellitate molecular structure
molecular structure · PubChem
AKA: 36631-30-8, Triisodecyl benzene-1, 2, 4-tricarboxylate, DUB TMI, 1, 4-Benzenetricarboxylic acid, 4-triisodecyl ester
Synthetic
Emollient
Skin Conditioner
Clean
1,2,4-Benzenetricarboxylic acid, triisodecyl ester
Formula
C39H66O6
Mol. Weight
630.90
CAS #
36631-30-8
Form
Liquid
State
Liquid
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
Traditional Use
A synthetic plasticizer and emollient developed for cosmetics in the mid-20th century. Designed to improve flexibility and spreadability of cosmetic products.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
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