Diheptylundecyl Adipate
AKA “UNII-000BPI4XCV, NS-218, Hexanedioic acid, bis(2-heptylundecyl) ester, 6-bis(2-heptylundecyl) ester, RefChem:133661, DIHEPTYLUNDECYL ADIPATE [INCI]
Synthetic
Ingredient Facts
Diheptylundecyl adipate
AKA: UNII-000BPI4XCV, NS-218, Hexanedioic acid, Bis(2-heptylundecyl) ester, 6-bis(2-heptylundecyl) ester, RefChem:133661, DIHEPTYLUNDECYL ADIPATE [INCI]
Synthetic · Emollient · EWG: 4
Synthetic
Emollient
Solvent
Skin Conditioner
Synthetic
Clean
A lightweight conditioning agent that softens and smooths skin while helping other ingredients blend seamlessly into the formula.
Formula
C42H82O4
Mol. Weight
651.10
CAS #
155613-91-5
Form
Liquid
See origin →
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Locks In Moisture
Traditional Use
Modern synthetic ester developed for cosmetic use as an emollient and skin conditioning agent. Part of the family of adipate esters created to provide lightweight lubrication without greasy residue.
Skin Types
all-skin-types
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR